The reset stable amplifier(wave chopper amplifier) circuit

Published:2011/7/24 7:59:00 Author:Seven | Keyword: stable amplifier, wave chopper amplifier | From:SeekIC

The reset stable amplifier is one kind of wave chopper amplifier, whose circuit is shown in the figure, the amplifier works in the environment where the close loop gain is 1.The circuit can effectively remove the fault caused by offset voltage and bias current. The output of the circuit is a pulse whose amplitude is Vin. To understand its working principle, there is the need to analyse the circuit structure change when the switch S1 is pulled to different position.



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