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GATE 2023 : Analog Electronics Revision Quiz

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Question 1

The minimum and maximum output voltage of the given clamping network provided the V_i square wave input is given to the circuit is:

Question 2

For a transistor common base current gain is _____ if common collector current gain is 50.

Question 3

The purpose of emitter bypass capacitor in a CE BJT amplifier is to

Question 4

Which of the following is majority carrier device?

Question 5

The graph shown below shows the transfer function characterises of which one of the following:

Question 6

Consider shown circuit below:

If R₁ = 100 Ω, R₂ = 10000 Ω and C = 1 μF, then its 3-dB frequency in KHz provided unity gain frequency is (1 × 10⁶) Hz.

Question 7

In the circuit shown below, The input voltage V_i = 0.2 V. The output voltage V₀ is ……. Volts.

Question 8

Loop gain of an amplifier is 100 and its open loop gain changes by 10%. Then feedback loop gain will change by _______%.

Question 9

The value of I₀ for the circuit shown is __________ (Assume β-Very large, V_BE = 0.7V)

Question 10

The current (I) at 2.5 sec is ________A for below circuit. (Take T = 2 sec for input waveform and constant voltage diode characteristics).

Question 11

If the op-amp is ideal, then find the current (in ampere) across 90 Ω resistor.

Question 12

For circuit shown below if op-amp is ideal then its transfer characteristic will look like:

Question 13

The transfer characteristics for the clipper circuit shown below. Assume the diodes are ideal.

Question 14

For NMOS transistor shown below, ratio of width of two transistor W₁/W₂ is _________. (Take V_T = 1 V, μ_nC_ox = 120 mA/V², λ = 0, & L₁ = L₂ = 1 μm).

Question 15

What is the circuit diagram of clipper circuit for the transfer characteristic shown in fig?

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Jan 6ESE & GATE EE