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BARC EE 2018: Analog Electronics Nuclear Quiz 1
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Question 1
Find the gain without and with feedback. For the FET amplifier circuit of the Figure below having the following values: R1 = 80 KΩ, R2 = 20 KΩ, Ro = 10 KΩ, RD = 10 KΩ, and gm = 4000 μS
Question 2
Find the value of R to design a RC phase shift oscillator to sustain oscillations of fo = 10 KHz and put C= 1nF?
Question 3
The feedback amplifier shown in fig. makes use of an op amp with internal gain (open loop gain) A = 105. How much is the output voltage for input signal vs = 2mV in the circuit shown.
Question 4
An n-channel JFET is employed as a voltage-controlled resistor. It has a resistance equal to 12 kΩ, when . Determine its resistance level when
Question 5
The hybrid equivalent circuit for a common-emitter configuration is given below.
Determine the parameters for its equivalent model.
Determine the parameters for its equivalent model.
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Mar 6ESE & GATE EE