AD620 pre-amplifier circuit

Published:2011/5/25 1:01:00 Author:Christina | Keyword: pre-amplifier | From:SeekIC

Because the string signal generator output signal's maximum value is about 1V, so the voltage drop of the sampling resistance which is connected with the network load needs to amplify the sampling signal. This circuit uses the two stages amplifier, and the preamplifier stage uses the AD620. Figure: AD620 pre-amplifier circuit The AD620 is designed as one kind of low power consumption amplifier, and it can be used as the small signal's pre-amplifier stage, the signal which is amplified by AD620 has small distortion.



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