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0 votes
2 answers
359 views

Feedback amplifiers and their corresponding system block diagrams

I'm a newbie in analogue circuits. I find it so confusing analyzing feedback amplifiers. The typical feedback systems introduced in textbooks is shown below. The input signal \$X\$ is connected to a ...
Jack Black's user avatar
0 votes
1 answer
177 views

How to select resistance to cancel offset output voltage due to bias current?

Consider the figure above how Rcomp was choosen. I know for simpler circuits like inverting amplifier and ideal integrator how Rcomp was calculated but following same procedure (that's using ...
SUNITA GUPTA's user avatar
2 votes
2 answers
5k views

Individual Phase shift provided by Op-Amp in Closed loop configuration

When comparing the input and output of the Op Amp alone (Vid1-Vid2 and Vo and not Vsupply and Vo) in a closed loop configuration the phase shift is only 90 degrees? Why it is so? And the Simulation ...
VKJ's user avatar
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