Friday, 19 August 2016

operational amplifier - dc offset in a miller integrator


I simulated a miller integrator circuit on multisim online. When I did so I made sure that dc offset in the op amp and the source is zero and also bias and offset currents are zero. But in output to a sine signal (ac) input, the output cosine signal has a negative dc offset. What is causing this offset? Here is the circuit simulated: enter image description here


And here is the input and output waveform: enter image description here





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