Question: PROBLEM 4 . - The Op Amps from the circuits below have an open - loop gain of 1 2 5 dB and a unity

PROBLEM 4.- The Op Amps from the circuits below have an open-loop gain of 125 dB and a unity-gain bandwidth of 2.8 MHz . Calculate their closed-loop gain and closed-loop bandwidth.
PROBLEM 4 . - The Op Amps from the circuits below

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