Acousto-optic detector circuit to measure the crystal

Published:2012/8/15 22:30:00 Author:Ecco | Keyword: Acousto-optic , detector , measure , crystal | From:SeekIC

The circuit is shown in Figure, which consists of capacitance three-point oscillator, isolation level, voltage doubler rectifier circuit and stereo sound circuit and flash display circuit. It can detect the crystal's goodness or badness, good crystal will issue the sound of Didi ... , and LED1, LED2 will be blinking; bad crystal will not issue audible and visual information.



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