A differential amplifier is invariably used in the i/p stage of all op-amps. This is done basically to provide the op-amps with a very high______________?

An OPAMP has a slew rate of 5 V/μ S .The largest sine wave O/P voltage possible at a frequency of 1 MHZ is_______________?

A. 10 volts

B. 5 volts

C. 5/ volts

D. 5/2 volts

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

A differential amplifier has a differential gain of 20,000. CMMR=80dB. The common mode gain is given by_______________?

A. 2

B. 1

C. 1/2

D. 0

Which of the following amplifier is used in a digital to analog converter?

A. Non inverter

B. Voltage follower

C. Summer

D. Difference amplifier