Circuit Project Electronic www.eleccircuit.com

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1 MHz time base using ceramic filter 10.7Mhz Posted: 05 Jun 2013 11:43 PM PDT Normally in micro computer system will use a crystal as frequency generator. Although now the crystal will be cheap down. But then still is an expensive components,when compared to other devices. And I like to modify the electronic devices that remove from the old PCB to reused always. Because it enables us to save. And reduce environmental problems as well. I checked the old board about radio receivers. usually found one interesting device is a ceramic filters. It could replace the crystal. Help us to save, and electronic skills also improved. In the production of high frequency. Digit numbers behind Of frequencies is rarely important. However, the need for precision is stability. Which the ceramic filters has this feature. From circuit As circuit shown can Can produce precisely the frequency of 1.07 Mhz Therefore, applied to micro-processor. The circuit consists of the generators section are N1,N2,P1,R1 and ceramic filters. The [...]

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