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GATE 2023 Analog Circuits Quiz 52

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Question 1

For a transistor amplifier with self-blasting network, the following components used:

R1 = 4 kΩ, R2 = 4 kΩ and RE =1 kΩ

The appropriate value of the stability factor ‘S’ will be.

Question 2

Consider the common Base amplifier shown in fig. The parameters are =2 mS and =250 k. Find the Thevenin equivalent faced by load resistance.

The Thevenin Voltage  is

Question 3

For the circuit shown in figure, given that β = 100, IS = 7 × 10–16 and R1 = 10 kΩ, IC = 1 × 10–3 A. What is the approximate value of VB (in mV) ?

2019-10-11.png (230×278)

Question 4

For the MOSFET shown in figure if transconductance is gm, then the input resistance Rin will be

(assume drain to source resistance very high)

Question 5

For the circuit as shown below, neglect channel length modulation of MOSFETs, find the ratio of  if  and

Question 6

Find the value of VGS of the circuit shown in the figure. Given IDSS = 10 mA, VP =  –4V

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Jun 28ESE & GATE EC