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.Management Sciences
Category: OP-AMP Circuits
A 741-Type OP-AMP has a gain-bandwith product of 1MHz. A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of______________?
A. 50KHz
B. 100KHz
C. 1000/17KHz
D. 1000/7.07KHz
Assume that the op-amp of the fig. is ideal. If Vi is a triangular wave, then V0 will be______________?
A. Square wave
B. Triangular wave
C. Parabolic wave
D. Sine wave
For an op-amp having differential gain Av and common-mode gain Ac the CMRR is given by___________?
A. Av + Ac
B. Av / Ac
C. 1 + Av / AC.
D. Ac / Av
Which of the following amplifier is used in a digital to analog converter?
A. Non inverter
B. Voltage follower
C. Summer
D. Difference amplifier
The ideal OP-AMP has the following characteristics
A. Ri=∞ ,A=∞ ,R0=0
B. Ri=0 ,A=∞ ,R0=0
C. Ri=∞ ,A=∞ ,R0=∞
D. Ri=0 ,A=∞ ,R0=∞
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