The line mode acousto-optic voltmeter circuit with variable range of 1.2 to 1000V

Published:2012/8/15 22:53:00 Author:Ecco | Keyword: line mode , acousto-optic voltmeter , variable range , 1.2 to 1000V | From:SeekIC

As shown in the figure, it is composed of the LED driver circuit, voice circuit, audio amplifier circuit, and it uses 10 LEDs to display linear voltage between 1.2 ~ 1000V, when the voltage is closed to the upper limit voltage, the circuit will issue a protected voice signal.



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