{"id":20418,"date":"2025-06-20T11:58:17","date_gmt":"2025-06-20T03:58:17","guid":{"rendered":"https:\/\/www.elepcb.com\/?p=20418"},"modified":"2025-06-20T11:58:27","modified_gmt":"2025-06-20T03:58:27","slug":"crystal-oscillator-guide","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/hu\/blog\/crystal-oscillator-guide\/","title":{"rendered":"Krist\u00e1ly oszcill\u00e1tor PCB tervez\u00e9s: Gy\u00e1rt\u00e1si \u00fatmutat\u00f3: Layout Rules &amp; Manufacturing Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"20418\" class=\"elementor elementor-20418\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-59efb455 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59efb455\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-31117e29\" data-id=\"31117e29\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-34edcfc0 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"34edcfc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__34edcfc0\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__34edcfc0\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__34edcfc0\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-791d4b63 elementor-widget elementor-widget-text-editor\" data-id=\"791d4b63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"DZAsdetJroFkxcxeVQjcyfnNnDg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WwFNdDCmBoUbWwxB3eUcTPRvny0\"><div data-page-id=\"V9bCdJ9ZWoATVLx2UU9c6USUn1g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnfXWVzxG6R7ols2vQbd9nXd\"><div data-page-id=\"GW6PdL1e9oOge9xYSLecxEkSn1c\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-Ei5wdYFmvoQdbrxZrHEcZO5Ln5Z\"><div data-page-id=\"RuaBdnxrpo2N0BxXQAJcJzvhnRg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnEoWS1UfxI1pvS7Es9A7nec\"><div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PrdQd5DhWoas7Cx5w4bcrEZTniZ\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-UGyTdEZFvoWnYDxbHCXcAkoknKe\">Crystal oscillators can be found everywhere on circuit boards. As long as a processor is being used, crystals are necessary. Crystals <span style=\"color: #008000;\">provide accurate clock signals<\/span> for <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-microcontroller-projects-in-pcb-design\/\">microcontrollers<\/a>, processors, and communication modules. They are essential for synchronizing and ensuring the stable operation of the entire system. As a <a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB manufacturer,<\/a> ELE knows how the design of oscillator circuits influences PCB performance. This article aims to <strong>share key design and manufacturing considerations to help you avoid <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-failure-and-common-issues\/\">common failures<\/a> and ensure your design is successful from the outset.<\/strong><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b53cd9b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b53cd9b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-71908f17\" data-id=\"71908f17\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8f19646 elementor-widget elementor-widget-spacer\" data-id=\"8f19646\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccf1248 elementor-widget elementor-widget-image\" data-id=\"ccf1248\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"680\" height=\"412\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/crystal-oscillator.jpg\" class=\"attachment-large size-large wp-image-20422\" alt=\"crystal oscillator\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/crystal-oscillator.jpg 680w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/crystal-oscillator-300x182.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/crystal-oscillator-18x12.jpg 18w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6bf150 elementor-widget elementor-widget-spacer\" data-id=\"e6bf150\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-be5d608 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"be5d608\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2ca52ea\" data-id=\"2ca52ea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a4fa2ec elementor-widget elementor-widget-heading\" data-id=\"1a4fa2ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>What is a Crystal Oscillator?<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a02d48f elementor-widget elementor-widget-text-editor\" data-id=\"a02d48f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RuaBdnxrpo2N0BxXQAJcJzvhnRg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnwz0xnppt4Lmolw6Aufw2Nd\"><div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AnfwdG2yZokh0HxsC99cSLqPn4X\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-NWo4dM43OomrUUxPebecPlV0nob\">A crystal oscillator refers to<strong> a component consisting of a quartz crystal cut at a specific angle and IC.<\/strong> The component is generally packaged in a metal case, but glass, ceramic, or plastic cases are also used.<\/div><div class=\"ace-line ace-line old-record-id-GmEmdE97Nou6ZMxqzIicKWPynrh\">Crystal oscillators are <span style=\"color: #008000;\">timing components<\/span> that generate a continuous waveform with intended amplitude and frequency depending on their usage. For example, an oscillator can be designed to a <a href=\"https:\/\/www.elepcb.com\/blog\/high-frequency-pcb\/\">high-frequency<\/a> sinusoidal waveform to carry coded information. Additionally, <span style=\"color: #008000;\">oscillators function as a toggle, counter, or timer for repetitive tasks<\/span>, such as toggling <a href=\"https:\/\/www.elepcb.com\/pcb-products\/led-pcb-board\/\">LEDs<\/a> or loads, or <a href=\"https:\/\/www.elepcb.com\/applications\/\">applications<\/a> that depend on shift registers, like sequential operations.<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c305bd4 elementor-widget elementor-widget-image\" data-id=\"c305bd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/oscillator-frequency-1024x768.jpg\" class=\"attachment-large size-large wp-image-20423\" alt=\"oscillator frequency\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/oscillator-frequency-1024x768.jpg 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/oscillator-frequency-300x225.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/oscillator-frequency-768x576.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/oscillator-frequency-16x12.jpg 16w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/oscillator-frequency.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5cf9681e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5cf9681e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-72622353\" data-id=\"72622353\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-494239e elementor-widget elementor-widget-heading\" data-id=\"494239e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Why and When to Use a Crystal Oscillator?<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b104668 elementor-widget elementor-widget-text-editor\" data-id=\"5b104668\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"Od1KdRbUioLpgcxZuPtcsnNHnTf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"Od1KdRbUioLpgcxZuPtcsnNHnTf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"RuaBdnxrpo2N0BxXQAJcJzvhnRg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzhBnKQJlP1rqbwJabFcYke\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-UtIldWCzRoE6lDxDrk1chR2Fnkc\">Most oscillator circuits are <strong>temperature-dependent<\/strong> because they contain resistors, which cause <span style=\"color: #800000;\">frequency drift<\/span>. Some applications like <span style=\"color: #008000;\">clocks need very precise and accurate oscillations.<\/span> If having 0.01% drifting in frequency, it can build up error and reach 10 minutes in a month, which is not applicable.<\/div><div class=\"ace-line ace-line old-record-id-URvNdrUDmoj4P2x7913c5jLYnMe\">Crystal oscillators are very precise and reliable compared to any other type of oscillator. They have a <span style=\"color: #008000;\">wide frequency range<\/span>, <strong><span style=\"color: #008000;\">from KHz to MHz,<\/span><\/strong> also suitable for battery-based applications because of their <span style=\"color: #008000;\">low power consumption.<\/span><\/div><div class=\"ace-line ace-line old-record-id-AdZSdbFUpo14kFxuFvgcJrk7nZN\">Crystal clock oscillators are used for real-time clock applications, synchronous communication protocols like USART, SPI, I2C, and more can also be used in signal processing, like sampling analog signals in <span style=\"color: #000000;\"><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/analog-vs-digital-circuits\/\">analog-to-digital<\/a> converters<\/span>.<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6a04f0d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a04f0d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-533fafa\" data-id=\"533fafa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5ae50d8 elementor-widget elementor-widget-spacer\" data-id=\"5ae50d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d988bd elementor-widget elementor-widget-heading\" data-id=\"7d988bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>What Are Known Crystal Oscillator Types?<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d930ea9 elementor-widget elementor-widget-text-editor\" data-id=\"d930ea9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RuaBdnxrpo2N0BxXQAJcJzvhnRg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnVHlpO5xFRkGhbpX83lEy0d\"><div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcncr16mfaQMEYZBErhfXOtPf\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-NdVmd9G0qouxSpxrgOScRxTnnmc\">Oscillator Circuits are classified based on their working principle; they can also be categorized by stability and the range of output frequency, as well as their desired function.<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-272c079 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"272c079\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0385071\" data-id=\"0385071\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a962f51 elementor-widget elementor-widget-text-editor\" data-id=\"a962f51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-J1KxdIifromhE1xhqXhcnmEjnTU\" style=\"text-align: center;\"><span style=\"color: #003366;\"><em>Crystal Oscillators (XOs)<\/em><\/span><\/h3><div class=\"ace-line ace-line old-record-id-Q8j3dBhXqog4dyxd4zfcGX8lnud\">Crystals are piezoelectric materials sandwiched between two leads, to make a crystal oscillator, just connect to a CMOS inverter and RC elements. They are modeled as an ideal LC tank, which has very precise oscillations with very low deviation. It\u2019s <strong>the most used oscillator circuit nowadays<\/strong> because of its <span style=\"color: #008000;\">reasonable cost with high precision and reliable performance<\/span>.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-384f2a2\" data-id=\"384f2a2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2152239 elementor-widget elementor-widget-text-editor\" data-id=\"2152239\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-X5xsdZso8oLwfDx5chvcTHejnUb\" style=\"text-align: center;\"><span style=\"color: #003366;\"><em>Temperature Compensated Crystal Oscillators (TCXOs)<\/em><\/span><\/h3><div class=\"ace-line ace-line old-record-id-Xx70dodUTo93LaxvGkCckziwnId\">TCXO helps to <span style=\"color: #008000;\">maintain high frequency stability in various temperature ranges.<\/span> The major issue with standard crystal oscillator is that it may experience frequency drifts because of changing temperatures. While in TCXOs, it uses compensation circuit to correct these deviations.<\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2f96b55 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2f96b55\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1ee6f4e\" data-id=\"1ee6f4e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-83412f6 elementor-widget elementor-widget-text-editor\" data-id=\"83412f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-EHLPdzJXHoIpubxmtpUchJYlnUb\" style=\"text-align: center;\"><span style=\"color: #003366;\"><em>Voltage Controlled Crystal Oscillators (VCXOs)<\/em><\/span><\/h3><div class=\"ace-line ace-line old-record-id-Upo4d5eaVoY5pgxnHn4cuIPBnhg\">It is a type of crystal oscillator that a<span style=\"color: #008000;\">llows small frequency changes using a controlled voltage<\/span>, making it useful in the application where it requires precise timing. VCXO is <strong>more flexible<\/strong> than fixed crystal oscillators.<\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7947f3c\" data-id=\"7947f3c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-665ae33 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"665ae33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div style=\"text-align: center;\" data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-Bt8Gd03Y9o8YhLxXpwKcCjBan5c\"><span style=\"color: #003366;\">Oven Controlled <em>Crystal Oscillators (OCXOs)<\/em><\/span><\/h3><div class=\"ace-line ace-line old-record-id-VwwqdqIIqoxIoOxLATyc100BnVf\" style=\"text-align: left;\">An oven is used for maintaining the continuous temperature. The temperature-controlled <a href=\"https:\/\/www.elepcb.com\/blog\/printed-circuit-board-types-and-their-uses\/\"  data-wpil-monitor-id=\"735\">circuits in these types<\/a> of oscillators help to maintain the crystal temperature.<\/span><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f87610e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f87610e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-146853e\" data-id=\"146853e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-12e4d68 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"12e4d68\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"345\" height=\"380\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram2.png\" class=\"attachment-large size-large wp-image-20430\" alt=\"Crystal Oscillator circuit diagram2\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram2.png 345w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram2-272x300.png 272w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram2-11x12.png 11w\" sizes=\"(max-width: 345px) 100vw, 345px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1fd60e3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1fd60e3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d370c0b\" data-id=\"d370c0b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3a91624 elementor-widget elementor-widget-spacer\" data-id=\"3a91624\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-09b83d4 elementor-widget elementor-widget-heading\" data-id=\"09b83d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><strong>Schematic and Layout Guidelines of Crystal Oscillators in PCBs<\/strong><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4113ee1 elementor-widget elementor-widget-text-editor\" data-id=\"4113ee1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnrOqVcmfGnibqT7TN2jPYlc\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JOsRdEQp4oIoFTxVGRbcsG0pn4d\">In high-reliability applications, the <a href=\"https:\/\/www.elepcb.com\/blog\/create-schematics-in-pcb-design\/\">schematic<\/a> and layout of the oscillator circuit have to be done in the right way, because any noise can affect the stability of the oscillator. In this section, we will mention some guidelines for <a href=\"https:\/\/www.elepcb.com\/pcb-layout-design-process-and-guidelines\/\">PCB designers<\/a> to reduce noise and enhance the stability of the system.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0b7109 elementor-widget elementor-widget-image\" data-id=\"e0b7109\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"608\" height=\"364\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram1.png\" class=\"attachment-large size-large wp-image-20431\" alt=\"Crystal Oscillator circuit diagram1\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram1.png 608w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram1-300x180.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/Crystal-Oscillator-circuit-diagram1-18x12.png 18w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e0215aa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e0215aa\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f3a0fec\" data-id=\"f3a0fec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3a4f088 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"3a4f088\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-ZQS7dnbMaoLaZ9x2nElcdiCMnSg\"><span style=\"color: #003366;\"><em>Schematic Design Guidelines<\/em><\/span><\/h3><ul><li class=\"ace-line ace-line old-record-id-JrckdzajDoWWrOxb0TeckiQdnMd\"><strong>Determine the optimal output frequency<\/strong>: The output frequency of the crystal resonator in the circuit is affected by the <span style=\"color: #008000;\">equivalent load capacitance<\/span> of the circuit. Only when the effective load capacitance Cpcb on the <a href=\"https:\/\/www.elepcb.com\/blog\/a-detailed-history-of-printed-circuit-board\/\"  data-wpil-monitor-id=\"736\">PCB board of the oscillator circuit<\/a> is equal to the load capacitance CL of the crystal resonator, and the optimum output frequency Fpcb will be derived at this time:<\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be53ad3 elementor-widget elementor-widget-image\" data-id=\"be53ad3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"81\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-2-1024x104.png\" class=\"attachment-large size-large wp-image-20433\" alt=\"formula 2\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-2-1024x104.png 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-2-300x30.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-2-768x78.png 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-2-1536x156.png 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-2-18x2.png 18w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-2.png 1992w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c911b5e elementor-widget elementor-widget-text-editor\" data-id=\"c911b5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul><li class=\"ace-line ace-line old-record-id-RDsJd3jgdoRSHkxeoFVcn27Gnug\"><strong>Choose the right crystal<\/strong> with the correct frequency and load capacitance suitable for the microcontroller.<\/li><li class=\"ace-line ace-line old-record-id-KaLcdp5SooS3W1xw0N3crsQYnCg\"><strong>Calculate load capacitors.<\/strong> Load capacitor values are in the pf range and can be calculated from the following equation:<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-158dbe7 elementor-widget elementor-widget-image\" data-id=\"158dbe7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"296\" height=\"94\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-1.png\" class=\"attachment-large size-large wp-image-20432\" alt=\"formula 1\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-1.png 296w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/06\/formula-1-18x6.png 18w\" sizes=\"(max-width: 296px) 100vw, 296px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a61718 elementor-widget elementor-widget-text-editor\" data-id=\"7a61718\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-V3mVdV5woocwZaxi5g7clW8mnGd\">You can get load capacitances from the crystal datasheet, and the <span style=\"color: #008000;\"><strong>stray capacitance is about 3pF in most applications.<\/strong><\/span><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-984def4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"984def4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0da6887\" data-id=\"0da6887\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6e653bf elementor-widget elementor-widget-text-editor\" data-id=\"6e653bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RDsJd3jgdoRSHkxeoFVcn27Gnug\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-ZF5PdWClPo5imwx7AkOcwCjZnMe\"><span style=\"color: #003366;\"><em>Layout Design Guidelines<\/em><\/span><\/h3><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-XVkmdy0Uzov2Qqxm7zoc2bPYnod\" data-list=\"bullet\"><div>Position the crystal oscillator as the<strong> first component<\/strong> immediately adjacent to the host microcontroller, <strong>maintaining trace lengths under 10mm (5mm for high-frequency applications<\/strong>) between main controller pins to minimize parasitic inductance.<\/div><\/li><li class=\"ace-line ace-line old-record-id-VsQVdZ2KeoD8OgxkuY9citZjnfd\" data-list=\"bullet\"><div>Also, to minimize noise and <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-shielding-basics-to-emi-and-rfi\/\">EMI<\/a> coupling, <strong><a href=\"https:\/\/www.elepcb.com\/blog\/pcba-knowledge\/pcb-routing-design\/\">routing<\/a> under the crystal should be avoided.<\/strong> It should also be placed away from noisy components like switching regulators, inductors, and high-speed interfaces.<\/div><\/li><li class=\"ace-line ace-line old-record-id-KHvjdpkL1ozIxSxDPZGcHrRFnHc\" data-list=\"bullet\"><div><strong>Implement a solid ground plane beneath the entire oscillator<\/strong> section <span style=\"color: #008000;\">with \u22651oz copper weight<\/span> (2oz for <a href=\"https:\/\/www.elepcb.com\/pcb-products\/rf-pcb\/\">RF<\/a> designs), ensuring <span style=\"color: #008000;\">zero splits or slots while achieving \u22654 ground vias\/cm\u00b2 via density.<\/span><\/div><\/li><li class=\"ace-line ace-line old-record-id-UPjOdLmrDor2ogxdxM1cdhwrnpc\" data-list=\"bullet\"><div>To isolate the noise and improve the pe, <strong>use the guard ring connected to<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-ground-plane\/\"> GND<\/a><\/strong> around the crystal and caps.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Thjdd3Ik9oTTSVxJL2RcfHFsnlc\" data-list=\"bullet\"><div><strong>Load capacitors<\/strong> (NP0\/C0G dielectric) <strong>must be placed within 5mm of crystal pins with matched-length traces<\/strong>, directly grounded through low-inductance <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-via-a-complete-guide\/\">vias<\/a> (\u22650.3mm hole diameter).<\/div><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0cb50ac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0cb50ac\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-87e21e3\" data-id=\"87e21e3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-689d7fc elementor-widget elementor-widget-heading\" data-id=\"689d7fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Conclusion<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-591f967c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"591f967c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-58da423b\" data-id=\"58da423b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2a9eaadc elementor-widget-mobile__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"2a9eaadc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"GW6PdL1e9oOge9xYSLecxEkSn1c\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnN7lxgkE6Mt6TrlERdAWNCg\"><div data-page-id=\"RuaBdnxrpo2N0BxXQAJcJzvhnRg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnv4xDBWKwgOp91YEakw3Tnd\"><div data-page-id=\"EFFsdFpb5oTolwxZYRfceV29nHg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnhUV6dE6Ch9waD2p7TP1Eed\"><div data-page-id=\"GVbYdXNl6oduQxxUGvPcepeUnEg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WjagdixbIobb7dxdRq4c9fIpnLh\">A crystal oscillator is an essential component in the creation of an accurate clock and the <span style=\"color: #008000;\">quality of design is crucial in determining the performance of the oscillator<\/span>. With good <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-design-rule-check-drc-test\/\"  data-wpil-monitor-id=\"737\">layout practices<\/a>, and the right components the siganl issue can be avoided. <strong>Need advice on designing a PCB for your specific crystal oscillator?<\/strong> <em><strong><a href=\"https:\/\/www.elepcb.com\/\">Get in touch<\/a> with our engineering team today!<\/strong><\/em><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-af5989c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"af5989c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2a579c0c\" data-id=\"2a579c0c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5b1f2da9 elementor-widget elementor-widget-spacer\" data-id=\"5b1f2da9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2111e52e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2111e52e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-668b01c0\" data-id=\"668b01c0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-37342720 elementor-widget elementor-widget-heading\" data-id=\"37342720\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>FAQs<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6a9a7f61 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a9a7f61\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-707e06fe\" data-id=\"707e06fe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1edded77 elementor-widget elementor-widget-toggle\" data-id=\"1edded77\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5171\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-5171\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q1: Why is the crystal oscillator suitable for microcontrollers more than other oscillators?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5171\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-5171\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Gx3Sd5soxoboFqx3TnbcyXIYnZc\"><p>A1: Crystal oscillators provide much higher frequency stability (\u00b110\u2013100 ppm) than RC oscillators (\u00b11\u20135%). This precision is crucial for minimizing errors and ensuring the connectivity and synchronization of communication protocols.<\/p><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5172\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-5172\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q2: What is the difference between crystal and LC \/ RC oscillators?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5172\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-5172\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\">\n<div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">\n<div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\"ace-line ace-line old-record-id-M9qsd9CqzowDS2x2lqOcn1e8nEg\">\n\nA2: The difference between the two is shown in the table:\n<table><colgroup> <col width=\"200\" \/> <col width=\"235\" \/> <col width=\"259\" \/><\/colgroup>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><strong><span style=\"color: #000000;\">Feature<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #15205e;\"><span style=\"color: #ffffff;\"><strong>Crystal Oscillator<\/strong><\/span><\/td>\n<td style=\"text-align: center; background-color: #15205e;\"><span style=\"color: #ffffff;\"><strong>LC\/RC Oscillator<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>Accuracy\/Stability<\/strong><\/span><\/td>\n<td style=\"text-align: center;\" data-sheet-value=\"[{&quot;type&quot;:&quot;text&quot;,&quot;style&quot;:{&quot;font&quot;:&quot;12pt\/1.5 MonospacedNumber, LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, \\&quot;Helvetica Neue\\&quot;, Tahoma, \\&quot;PingFang SC\\&quot;, \\&quot;Microsoft Yahei\\&quot;, Arial, \\&quot;Hiragino Sans GB\\&quot;, sans-serif, \\&quot;Apple Color Emoji\\&quot;, \\&quot;Segoe UI Emoji\\&quot;, \\&quot;Segoe UI Symbol\\&quot;, \\&quot;Noto Color Emoji\\&quot;&quot;,&quot;foreColor&quot;:&quot;rgb(0, 0, 0)&quot;},&quot;text&quot;:&quot;High&quot;},{&quot;type&quot;:&quot;text&quot;,&quot;text&quot;:&quot; (ppm precision)&quot;}]\">High (ppm precision)<\/td>\n<td style=\"text-align: center;\">Low (% range)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>Cost &amp; Size<\/strong><\/span><\/td>\n<td style=\"text-align: center;\">Higher\/Larger<\/td>\n<td style=\"text-align: center;\">Lower\/Smaller<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>Tuning<\/strong><\/span><\/td>\n<td style=\"text-align: center;\">Fixed\/Narrow<\/td>\n<td style=\"text-align: center;\">Wide range<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong><span style=\"color: #000000;\">Key Use Cases<\/span><\/strong><\/td>\n<td style=\"text-align: center;\">Clocks, Comms, Precision<\/td>\n<td style=\"text-align: center;\">Timers, Filters, VCOs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\nDecision Guide:\n\u2192 Need precision timing?\u00a0 Use Crystal\n\u2192 Need low-cost\/tunable?\u00a0 Use LC\/RC<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5173\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-5173\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q3: What's the key difference between a crystal and a crystal oscillator?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5173\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-5173\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-M9qsd9CqzowDS2x2lqOcn1e8nEg\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-KbOmdCjUlo25IgxqaLNcVo7pn7b\"><p>A3: A crystal is a <em>passive resonator<\/em> (just quartz) requiring external circuitry to generate clock signals. A crystal oscillator is an <em>active module<\/em> (quartz + oscillation circuit + buffer) that outputs ready-to-use clock signals when powered. Crystals need load capacitors and careful PCB layout; oscillators are plug-and-play but cost 2-5\u00d7 more.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5174\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-5174\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q4: Can I route signals under the crystal?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-5174\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-5174\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-M9qsd9CqzowDS2x2lqOcn1e8nEg\"><div data-page-id=\"CrCXdzoh9obrmAxPAzucOyoDnD4\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-KbOmdCjUlo25IgxqaLNcVo7pn7b\"><p>A4: No! Routing under the crystal can couple noise into the oscillator or detune the frequency due to parasitic capacitance.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-72b68d12 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"72b68d12\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-46a34694\" data-id=\"46a34694\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-651c3920 elementor-widget elementor-widget-shortcode\" data-id=\"651c3920\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"2056\" class=\"elementor elementor-2056\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6012901 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6012901\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-afac9b2\" data-id=\"afac9b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b379375 elementor-widget elementor-widget-image\" data-id=\"b379375\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/pcb-products\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg\" class=\"attachment-large size-large wp-image-15779\" alt=\"pcb and pcba products 1\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1152x1536.jpg 1152w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1536x2048.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-scaled.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8968fc1\" data-id=\"8968fc1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c0c3b5d elementor-widget elementor-widget-image\" data-id=\"c0c3b5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/contact-us\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg\" class=\"attachment-large size-large wp-image-15819\" alt=\"contact us\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-300x200.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-768x512.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1536x1024.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-2048x1365.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-a17958a\" data-id=\"a17958a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4326577 elementor-widget elementor-widget-image\" data-id=\"4326577\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/pcb-products\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-768x1024.jpg\" class=\"attachment-large size-large wp-image-15778\" alt=\"pcb and pcba products 2\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1152x1536.jpg 1152w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1536x2048.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-scaled.jpg 1921w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3dd32bd7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3dd32bd7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-30e73de5\" data-id=\"30e73de5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6e6f562b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e6f562b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-1aae434c\" data-id=\"1aae434c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-7de62f23\" data-id=\"7de62f23\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-225d5b79 elementor-widget elementor-widget-text-editor\" data-id=\"225d5b79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-family: Oswald, sans-serif; margin: 0px; padding: 0px 0px 10px; line-height: 1.125em; font-size: 32px; text-transform: uppercase; text-align: center; color: #0a1f34;\">CONTACT US<\/p><div class=\"textwidget\"><div id=\"wpcf7-f5-p60-o1\" class=\"wpcf7\" dir=\"ltr\" lang=\"en-US\" role=\"form\"><div class=\"screen-reader-response\" style=\"position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0px; overflow: hidden; clip: rect(0px, 0px, 0px, 0px); border: 0px;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\" role=\"status\" aria-live=\"polite\" aria-atomic=\"true\">\u00a0<\/p><\/div><form id=\"cf7-form-5\" class=\"wpcf7-form init cf7mls-no-scroll cf7mls-no-moving-animation\" style=\"position: relative; overflow: hidden;\" action=\"https:\/\/www.mclpcb.com\/capabilities\/#wpcf7-f5-p60-o1\" method=\"post\" novalidate=\"novalidate\" data-status=\"init\" data-fx-id=\"1587946425258918\"><div class=\"contact-inner\" style=\"max-width: 846px; margin: 0px auto;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\">We provide technical expertise form prototype through production, increasing speed to market by 20%.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Contact us below to start discussing your project with our Technical Experts today.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Whether you already have Gerber Files, submit a\u00a0Quick Quote\u00a0for free estimate.<\/p><\/div><\/form><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5782c747 elementor-button-align-center elementor-widget elementor-widget-form\" data-id=\"5782c747\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"2056\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"5782c747\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"An Ultimate Guide to PCB Inspection Methods-ELE PCB\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"4187\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tYour Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-message elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail Address\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[message]\" id=\"form-field-message\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_373bda7 elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_373bda7\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tPhone Number\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_373bda7]\" id=\"form-field-field_373bda7\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Csak a sz\u00e1mok \u00e9s telefonkarakterek (#, -, * stb.) fogadhat\u00f3k el.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-checkbox elementor-field-group elementor-column elementor-field-group-field_c168eb1 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_c168eb1\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tI am interested in (select all that apply)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<div class=\"elementor-field-subgroup  elementor-subgroup-inline\"><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid PCBs\" id=\"form-field-field_c168eb1-0\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-0\">Rigid PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Printed Circuit Boards\" id=\"form-field-field_c168eb1-1\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-1\">Flexible Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Aluminum PCBs\" id=\"form-field-field_c168eb1-2\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-2\">Flexible Aluminum PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible PCB Microcircuits\" id=\"form-field-field_c168eb1-3\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-3\">Flexible PCB Microcircuits<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ultra-Thin Flexible PCBs\" id=\"form-field-field_c168eb1-4\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-4\">Ultra-Thin Flexible PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid-Flex\" id=\"form-field-field_c168eb1-5\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-5\">Rigid-Flex<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ceramic Printed Circuit Boards\" id=\"form-field-field_c168eb1-6\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-6\">Ceramic Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Aluminum Printed Circuit Boards\" id=\"form-field-field_c168eb1-7\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-7\">Aluminum Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Copper Core\" id=\"form-field-field_c168eb1-8\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-8\">Copper Core<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"IC Substrates &amp; Interposer\" id=\"form-field-field_c168eb1-9\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-9\">IC Substrates & Interposer<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"High TG PCBs\" id=\"form-field-field_c168eb1-10\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-10\">High TG PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Heavy Copper\" id=\"form-field-field_c168eb1-11\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-11\">Heavy Copper<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"PCB Assembly\" id=\"form-field-field_c168eb1-12\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-12\">PCB Assembly<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Components Sourcing\" id=\"form-field-field_c168eb1-13\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-13\">Components Sourcing<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Other\" id=\"form-field-field_c168eb1-14\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-14\">Other<\/label><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_2cea676 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_2cea676\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tUpload Your Files (Optional)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_2cea676]\" id=\"form-field-field_2cea676\" class=\"elementor-field elementor-size-sm  elementor-upload-field\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-field_9ceb2c8 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_9ceb2c8\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[field_9ceb2c8]\" id=\"form-field-field_9ceb2c8\" rows=\"4\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-123957a9\" data-id=\"123957a9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Table of Contents Crystal oscillators can be found everywhere on circuit boards. As long as a processor is being used, crystals are necessary. Crystals provide accurate clock signals for microcontrollers, processors, and communication modules. They are essential for synchronizing and ensuring the stable operation of the entire system. As a PCB manufacturer, ELE knows how [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":20420,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[236,134],"class_list":["post-20418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-electronic-components","tag-pcb-design"],"_links":{"self":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts\/20418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/comments?post=20418"}],"version-history":[{"count":15,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts\/20418\/revisions"}],"predecessor-version":[{"id":20562,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts\/20418\/revisions\/20562"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/media\/20420"}],"wp:attachment":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/media?parent=20418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/categories?post=20418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/tags?post=20418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}