Time Left - 15:00 mins

GATE EC 2020: Analog Quiz 11 (App update required to attempt this test)

Attempt now to get your rank among 239 students!

Question 1

Determine the values of R (in kΩ) for which the following circuit would work as an oscillator at 6.5 kHz

Question 2

The given below Ring Oscillator has propagation delay of each inverter 120ps. What will be the fundamental frequency of oscillator output?
2020-02-25.png (1676×366)

Question 3

An op-amp is used in a feedback configuration having open loop forward gain value of 50 as shown. The feedback gain is β in the circuit, the feedback circuit is given below. For which of the combination of R₁ and R₂ respectively would the configuration work as an oscillator?

Question 4

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 5

The value of C required for sinusoidal oscillations of frequency 1kHz in the circuit of Figure is
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC-ME-17-Mar\GATE-ECE-2004_files\image164.png$

Question 6

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

239 attempts
1 upvote
3 comments

Tags :

ESE & GATE EC Analog Circuits

Aug 4ESE & GATE EC