Low_noise_and_drift_FET_dc_amplifier

Published:2009/7/22 3:35:00 Author:Jessie | From:SeekIC

This circuit combines the low drift or a chopper-stabilized amplifier with a pair of FETs. As shown in Fig. 1-10B, the result is an amplifier with 0.05-μV/℃ drift, offset within 5 μV, 50-pA bias current, and 200-nV noise in a 0.1-to 10-Hz bandwidth.



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