{"product_id":"diy-kits-rf-1hz-50mhz-crystal-oscillator-frequency-counter-meter-digital-led-tester-meter","title":"DIY Kits RF 1Hz-50MHz Crystal Oscillator Frequency Counter Meter Digital LED tester meter","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMegmoki\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCrystal Oscillator tester meter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003etester meter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDigital LED tester meter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5v\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg style=\"width:1000px\" width=\"1000px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Hf7c739c6b2af4df4ae47876243cccdcdw.gif\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eThis is a frequency meter based on PIC microcontroller, with crystal vibration measurement function and programmable frequency setting, five-digit digital tube display, convenient and intuitive, all use directly inserted components, circuit is simple, easy to make.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eCircuit features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eMeasurable frequency range 1Hz-50 MHZ (1 HZ-50 MHZ);\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eThe oscillation frequency of most common crystal vibration can be measured.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eFive-digit precision resolution (e.g. 0.0050 KHZ, 4.5765 MHZ, 11.059 MHZ);\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eAutomatic range conversion without manual switching;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eProgrammable plus or minus frequency setting for measuring equipment such as radio transceivers;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eYou can choose the power-saving mode. If there is no significant change in frequency within 15 seconds, the display will automatically turn off.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eIt can be powered by a universal USB 5V interface, or an external DC power supply or a 9V battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eSmall number of components, all directly inserted components, easy installation and debugging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003ePCB size: 80*53 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eWeight of single set: 0.034kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eCrystal vibration measurement (4M, 16M crystal vibration) :\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eCrystal vibration measurement (20M, 11.0592M) :\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eThe crystal oscillator of 32.768khz cannot be measured. The crystal oscillator of 4-20mhz and 48MHZ can also be measured due to limited conditions. However, since this kind of crystal oscillator USES a 3 times harmonic wave, the crystal oscillator of 48MHZ will display the fundamental wave frequency of 16MHZ, as shown in the figure below:\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eIt is also possible to directly input frequency signals between IN and G (ground) for measurement, taking care that the measured signal amplitude is not higher than 5V to avoid damaging IC. The following figure shows the input of 1HZ and 10KHZ:\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eAll the directly inserted components can be welded correctly according to PCB silk screen printing. After the welding, input signal with standard signal source and adjust the yellow adjustable capacitance to make the display value equal to the signal frequency. The signal generator can be used for adjustment. If there is no standard signal, the crystal vibration can be used for direct calibration with better accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003eThe power supply can be transferred from USB to 3.5mm power cord or directly into 5-9V DC power supply at - and + pads\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"4000000121204\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55083585667371,"sku":"\u003cnone\u003e","price":22.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/H22fa669095de4174b1c55daa03fad33aW.webp?v=1787812526","url":"https:\/\/yoeruyo.com\/products\/diy-kits-rf-1hz-50mhz-crystal-oscillator-frequency-counter-meter-digital-led-tester-meter","provider":"Yoeruyo","version":"1.0","type":"link"}