Inverse proportion basic circuit diagram

Published:2011/5/13 3:54:00 Author:Ecco | Keyword: Inverse proportion, basic circuit | From:SeekIC

1. The basic circuit: Voltage series negative feedbackThe input end is virtual short, virtual-off The features: Reverse side is the virtual ground, so the common mode input can be regarded as 0, the CMRR on the op amp requires low. The output resistance is small with a strong load capacity When it requires a large magnification, the feedback resistor is high, the stability is poor. If the required magnification is 100, R1 = 100K, Rf = 10M.



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