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GATE EE 2021 : Analog Electronics Quiz 4 (App update required to attempt this test)
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Question 1
Consider the Colpitts oscillator circuit shown in figure below with parameters L = 1 μH, C1 = 1 nF, C2 = 1 nF, R = 4 kΩ. What is the oscillator frequency (in MHz, rounded upto 2 decimal values)?
Question 2
A 555 timer is configured to run in astable mode. Determine the duty cycle of the output.
Question 3
Find the relation between R1 and R2 for sustained oscillations.
Question 4
Design the RC elements of a Wein bridge oscillator as in below figure for operation at f0 = 10 kHz
Question 5
Consider the circuit shown in the figure below:
For sustained oscillations, the value of must be equal to:-
Question 6
The circuit shown is a sinusoidal oscillator. Find the value of resistor Rx (in kΩ) for sustained oscillations.
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Aug 3ESE & GATE EE