Clairaudit audiphone circuit diagram

Published:2011/3/30 22:21:00 Author:Ecco | Keyword: Clairaudit audiphone | From:SeekIC

The Clairaudit audiphone is composed of discrete component with simple structure and small volume. The circuit diagram is decided according the material object, it's provided forreference while coping now. In the figure, microphone could receive aural signal. Q1 and Q2 make up second order audio amplifier. As power amplifier, Q3 amplifies the aural signalandlistened by stereophone, and Rp can rectify the volume. Under normal working circumstance, the voltage of Q1, Q2 is 0.5V, and the quiescent current is 10mA. When the voltage falls to 1.1 V, the sound in the earphone is still clear.



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