## 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_______________?

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 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

## 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______________?

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______________?

A. CMMR
B. Bandwidth
C. Slew rate
D. Open-loop gain

## Assume that the op-amp of the fig. is ideal. If Vi is a triangular wave, then V0 will be______________?

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 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?

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

A. Non inverter
B. Voltage follower
C. Summer
D. Difference amplifier

## When a step-input is given to an op-amp integrator, the output will be______________?

When a step-input is given to an op-amp integrator, the output will be______________?

A. A ramp
B. A sinusoidal wave
C. A rectangular wave
D. A triangular wave with dc bias

## For an ideal op-amp, which of the following is true?

For an ideal op-amp, which of the following is true?

A. The differential voltage across the input terminals is zero
B. The current into the input terminals is zero
C. The current from output terminal is zero
D. The output resistance is zero

## In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db & 2db respectively, then its common mode rejection ratio is________________?

In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db & 2db respectively, then its common mode rejection ratio is________________?

A. 23dB
B. 25dB
C. 46dB
D. 50dB

## Differential amplifiers are used in______________?

Differential amplifiers are used in______________?

A. Instrumentation amplifiers
B. Voltage followers
C. Voltage regulators
D. Buffers