GATE 2019: Analog Circuits Quiz 11

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Question 1

A Hartley Oscillator is used for generating

• Avery low frequency Oscillation
• Bradio-frequency Oscillation
• Cmicrowave Oscillation
• Daudio-frequency Oscillation

Question 2

The oscillator circuit shown in figure has n ideal inverting amplifier. Its frequency of oscillation (in Hz) is

• A
• B
• C
• D

Question 3

L₁ = 17mH and C = 50pF is define for Hartley oscillator what will be the value of L₂ for frequency 168KHz. If the mutual inductance between and is 7μH

• A = 0.943 mH
• B = 12m H
• C = 10m H
• D = 9.9m H

Question 4

For the circuit in fig let . The values of Q-point
(I _CQ .V_CEQ)is

• A(1.8 mA, 2.1 V)
• B(1.4 mA, 2.3 V)
• C(1.4 mA, 1.8 V)
• D(1.8 mA, 1.4 V)

Question 5

Which of the following is true?

• A
• B
• C
• D

Question 6

The PMOS transistor in fig. has parameters ,and

If then the value of are

• A4 k, 5.8 k
• B4 k
• C5.8 k
• D5 k

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