op-amp
GATE Electrical Engineering · Analog Electronics - Op-amps · 1992-2026
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All concepts →In the circuit shown, the open loop gain of the operational amplifier is A₀ = 105. What is the voltage gain of the circuit? (Round off to two decimal places)
Assuming ideal op-amps, the circuit represents a
The op-amps in the following circuit are ideal. The voltage gain of the circuit is ________ (round off to the nearest integer).
A difference amplifier is shown in the figure. Assume the op-amp to be ideal. The CMRR (in dB) of the difference amplifier is ________ (rounded off to 2 decimal places).
Consider the OP AMP based circuit shown in the figure. Ignore the conduction drops of diodes D1 and D2. All the components are ideal and the breakdown voltage of the Zener is 5 V....
In the circuit below, the operational amplifier is ideal. If V_1 = 10 mV and V_2 = 50 mV, the output voltage (V_out) is
The op-amp shown in the figure is ideal. The input impedance $\frac{v_{in}}{i_{in}}$ is given by
The approximate transfer characteristic for the circuit shown below with an ideal operational amplifier and diode will be
Of the four characteristics given below, which are the major requirements for an instrumentation amplifier? P. $$\,\,\,\,$$High common mode rejection ratio Q. $$\,\,\,\,$$High inpu...
An op-amp has an open-loop gain of $${10^5}$$ and an open-loop upper cutoff frequency of $$10$$ $$Hz.$$ If this op-amp is connected as an amplifier with a closed-loop gain of $$100...
An op-amp, having a slew rate of $$62.8$$ $$V/\mu \,$$sec, is connected in a voltage follower configuration. If the maximum amplitude of the input sinusoidal is $$10$$ Volts. Then...
An active filter consisting of an op-amp, resistor $${R_1},\,\,{R_2},\,\,{R_3}$$ and two capacitors of value $$C$$ each, has a transfer function $$T\left( s \right) = {{{{ - s} \ov...
The common mode voltage of a unity gain (voltage follower) op-amp buffer in terms of its output voltage $${V_0}$$ is __________.
An ideal op-amp is used to make an inverting amplifier. The two input terminals of the op-amp are at the same potential because