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GATE EC 2021: Analog Circuits Quiz 11 (App update required to attempt this test)
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Question 1
In the given oscillator circuit, find the values of C1 and C2 that would make the bridge balanced
Question 2
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 3
The value of C required for sinusoidal oscillation of frequency 1 kHz in the circuit of fig is
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 oscillator circuit shown in figure has n ideal inverting amplifier. Its frequency of oscillation (in Hz) is
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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Apr 26ESE & GATE EC
