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**Sample Problems and Solutions **

**Problem **

Given the following circuit find out v o

as function of v

1

and v

2

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**Problem **

What is the highest frequency of a triangle wave of 20-V peak-to-peak amplitude that can be reproduced by an op amp whose slew rate is 10V/ µ s? For a sine wave of the same frequency what is the maximum amplitude of output signal that remain undistorted?

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**Problem **

An op amp with unity gain bandwidth f

T

V omax

=2 MHz, SR=1V/ µ s, output saturation voltage

=10V is used to design a non inverting amplifier with an amplification of 10.

If the input signal is a sine wave of 25 mV peak-to-peak amplitude, what is the useful frequency range of operation?

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**Problem **

An op amp wired in the inverting configuration with the input grounded, having R2=100K Ω and R1=1K Ω , has an output dc voltage of − 0.5V. If the input bias current is known to be very small, find the input offset voltage.

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**Problem **

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**Problem **

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