Op_amp_differentictl_input_instrumentation_amplifier

Published:2009/7/24 22:45:00 Author:Jessie | From:SeekIC

This is the op-amp version of the classic instrumentation amplifier.The circuit provides 10-V output for a 100-mW input, with gain set by the ratio of R4/R2 and R5/R3, while rejecting ±11V of common-mode noise. With both inputs grounded, R1 is adjusted until the output is zero.



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