Phase compensation of the three op amp instrumentation amplifier
- 1 September 1987
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Instrumentation and Measurement
- Vol. IM-36 (3) , 842-844
- https://doi.org/10.1109/TIM.1987.6312800
Abstract
The frequency stability of the popular three-op-amp instrumentation amplifier is discussed. It is shown that the two input-stage amplifiers of the conventional circuit should be compensated for unity gain. A simple modification to the circuit that allows the use of uncompensated amplifiers is demonstrated.Keywords
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