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ESE 2021 Technical Quiz 18 || Oscillators-1
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Question 1
Match List -1 (Name of the circuit) with List-2 (Property or Characteristics of the circuit) and choose the correct option
List-1
A) Rectifier circuit
B) Colpitts oscillator
C) Pre-amplifier
D) Phase shift oscillator
List-2
1) Small signal amplifier
2) Non linear circuit
3) RC Oscillator
4) LC Oscillator
Options that match A B C D respectively are
List-1
A) Rectifier circuit
B) Colpitts oscillator
C) Pre-amplifier
D) Phase shift oscillator
List-2
1) Small signal amplifier
2) Non linear circuit
3) RC Oscillator
4) LC Oscillator
Options that match A B C D respectively are
Question 2
For an op-amp based standard RC phase shift oscillator, the frequency of oscillations is:
Question 3
The value of C required for sinusoidal oscillation of frequency 1 kHz in the circuit of fig is
Question 4
The frequency of the oscillator circuit shown below is
Question 5
Find the capacitor voltage VC at t=1msec if switch is closed as t=0. Assume capacitor initially uncharged and op-amp is not saturated.
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Apr 24ESE & GATE EC
