Audio-controlled lamp

Posted on May 1, 2012

This is an on-off control with isolated, low voltage input. Since the switching action is very rapid, compared with the response time of the lamp and the response of the eye, the effect produced with audio input is similar to a proportional control circuit

Audio-controlled lamp
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If the input signal to the SCR consists of phase-controlled pulses, full wave control of the lamp load is obtained.

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