Op-Amp
GATE Electronics & Communication · 12 questions across 10 years (1991-2025) · 25% recurrence rate
Recurrence sparkline
1991–2025Difficulty mix
Question types
All 12 questions on Op-Amp
Which of the following statements is/are TRUE with respect to an ideal opamp?
The input impedance (Z i ) and the output impedance (Z o ) of an ideal transconductance (voltage controlled current source) amplifier are
If the differential voltage gain and the common mode voltage gain of a differential Amplifier are 48 dB and 2 dB respectively, then it's common mode Rejection Ratio is
The ideal Op-Amp has the following characteristics.
Consider the following two statements. Statement 1: Astable Multivibrator can be used for generating Square Wave. Statement 2: Bistable Multivibrator can be used for storing binary information.
An Amplifier using an Op-Amp with a Slew-Rate SR = V/$$\mu $$sec, has a gain of 40 dB. If this amplifier has to faith fully amplify sinsoidal signals from dc to 20 KHz. Without introducing any Slew Rate induced distortio...
The most commonly used Amplifier in sample and hold circuit is
The first dominant pole encountered in the frequency response of a compensated op-amp is approximately at
One input terminal of high gain comparator circuit is connected to ground and a sinusoidal voltage is applied to the other input. The output of comparator will be
An op-Amp is used as a zero-crossing detector. If maximum output available from the Op-Amp is $$ \pm 12\,\,{V_{p - p}}$$ and the slew rate of the Op-Amp is 12 $$V/\mu $$ sec then the maximum frequency of the input signal...
Match the following. GROUP-1 (A) Hartley (B) Wein-bridge (C) Crystal GROUP-2 (1) Low frequency oscillator (2) High frequency oscillator (3) Stable frequency oscillator (4) Relaxation oscillator (5) Nagative Resistance os...
Two non-inverting amplifiers, one having a unity gain and other having a gain of twenty, are made using identical operational gain amplifier, the amplifier with gain twenty has