GATE 2025 Analog Circuits Foundation Quiz 57

Which one of the following circuits is most suitable as an oscillator at a frequency of 100 Hz?

Match List-I (Name of the oscillator) with List-II (characteristics) and select the correct answer using the code given below the lists:

List-I

A- Colpitts oscillator

B- Phase shift oscillator

C- Tunnel diode oscillator

D- Relaxation oscillator

List-II

1- RC oscillator

2- LC oscillator

3- Negative resistance oscillator

4- Sweep circuits

Codes:

The Oscillator circuit shown in figure is

Which is the improved version of Colpitts oscillator?

The oscillator circuit shown in the figure is: