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GATE EC 2022: Analog Quiz 8

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Question 1

For an op-amp based standard RC phase shift oscillator, the frequency of oscillations is:

Question 2

In the given oscillator circuit, find the values of C1 and C2 that would make the bridge balanced

Question 3

The Hartley oscillator shown in figure. The mutual inductance between L1 and L2 is M = 20 μH, what is the value of frequency for oscillations (in KHz)?

Question 4

Which type of oscillator circuit is shown in figure below?

Question 5

A voltage Controlled oscillator is designed by using a varactor diode as shown in figure. Capacitance of diode is considered to be 0.5 μF. Calculate the frequency of oscillator in kHz?

Question 6

An op-amp has an input resistance 1kΩ and output resistance of 2.5kΩ.


Find the value of Rx for sustained oscillations

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Jun 27ESE & GATE EC

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V V Satya Narayana MadasuV V Satya Narayana MadasuMember since Sep 2020
Gate Qualified in 2018,2019,2020,2021| ISRO Exam qualified| AIR -672|Completed M.Tech in VLSI Design
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