LTC1043 frequency control gain amplifier circuit

Published:2011/6/20 5:34:00 Author:John | Keyword: gain amplifier | From:SeekIC

The figure shows gain amplifier circuit controlled by frequency. Different input clock frequencies are used to control the amplifier’s gain circuit, thus being called the frequency gain control circuit. Figure (a) shows that the circuit consists of two parts: analog switch and integrated amplifier. Analog switch consists of two pieces of precision capacitor switches LTC1043 and integrated amplifier uses the JFET input type op-amp LT1056.



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