{"product_id":"clock-multiplier-crystal-frequency-generator-using-pt7c4511","title":"Clock Multiplier – Crystal Frequency Generator using PT7C4511","description":"\u003cp\u003eThis is an easy-to-build project and it is the most cost-effective and high-performance frequency multiplier, which instigates analog phase lock loop techniques. The circuit provides high-quality, high-frequency output from lower frequency crystal or clock input. The project can be used as a crystal\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003efrequency oscillator\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eclock multiplier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efrequency translation\u003c\/strong\u003e. Using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ephase-locked-loop\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(PLL) techniques, the device uses a standard fundamental mode, inexpensive crystal to produce an output clock up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e200Mhz\u003c\/strong\u003e.  On-board jumpers are provided to select from nine different multiplication factors, which output many common frequencies.  The device also has an output enable pin that\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etri-states\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe clock output when the enable pin is taken low. The chip is intended for clock generation and frequency translation with low output jitter.\u003c\/p\u003e\n\u003cp\u003eRefer to the table below for jumper settings to change the frequency multiplexing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections for Clock Input:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eCN1 Clock input 1- 50Mhz, Use J2, and J3 for frequency output settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Internal Clock Generator:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eUse crystal Y1, Capacitor C1, and C2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA parallel resonant, fundamental mode crystal should be used. The device crystal connections and capacitor connections are provided. These capacitors are used to adjust the stray capacitance of the board to match the nominally required crystal load capacitance. Because load capacitance can be only be increased in this trimming process. Crystal Capacitors, if needed, must be connected from each of the pins X1 and X2 to the ground.\u003c\/p\u003e\n\u003cp\u003eThe value (in pF) of these crystal capacitors should equal C-L x 2 in this equation, C-L=crystal capacitance in pF. Example: For a crystal with a 15pF load capacitance, each crystal capacitor would be 30pF.  \u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Supply 5V DC (Range 3 to 5 V DC)\u003c\/li\u003e\n\u003cli\u003eZero ppm multiplication error\u003c\/li\u003e\n\u003cli\u003eOutput Load 12mA Max\u003c\/li\u003e\n\u003cli\u003eInput crystal frequency of 5Mhz to 30Mhz\u003c\/li\u003e\n\u003cli\u003eOutput Duty Cycle 50%\u003c\/li\u003e\n\u003cli\u003eInput Clock Frequency of 1-50Mhz\u003c\/li\u003e\n\u003cli\u003eOutput Clock Frequencies up to 200Mhz\u003c\/li\u003e\n\u003cli\u003e9 Selectable Frequencies Controlled by Jumper\u003c\/li\u003e\n\u003cli\u003ePeak to Peak Jitter Less than 200ps over 200ns Interval (100-200Mhz)\u003c\/li\u003e\n\u003cli\u003eLow Period Jitter 20ps (100-200Mhz)\u003c\/li\u003e\n\u003cli\u003eTri-States Output for Board Level Testing\u003c\/li\u003e\n\u003cli\u003ePCB dimensions: 25.72 x 17.94 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47201489191084,"sku":"B124","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/B124.jpg?v=1789376204","url":"https:\/\/dotfry.com\/products\/clock-multiplier-crystal-frequency-generator-using-pt7c4511","provider":"dotfry","version":"1.0","type":"link"}