Amplifier with offset correction

作者: Randolph Fox , Jean-Luc Jaffard

DOI:

关键词: Op amp integratorCharge amplifierFully differential amplifierControl theoryOperational amplifierOperational transconductance amplifierLog amplifierDirect-coupled amplifierInput offset voltagePhysics

摘要: The present invention relates to a signal processing circuit comprising differential amplifier (10) receiving be processed (Vin) on first input, and, second an offset compensation (Vc) supplied by integrator (14) of the difference between output voltage (Vout) and reference (Vref) which it is desired centre signal. comprises transconductance (16) input input; capacitor (CI) terminal A linked fixed (V-); follower (18) supplying

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