Transistor as an Oscillator

IMPORTANT

Transistor as an Oscillator: Overview

This topic covers concepts, such as, Feedback Amplifier and Transistor Oscillator, Tank Circuit in Oscillator, Voltage Gain of Oscillator System & Berkhausen Criterion for Sustained Oscillations etc.

Important Questions on Transistor as an Oscillator

EASY
IMPORTANT
Physics>Semiconductor Devices and their Applications>Transistor as an Oscillator> Q 1

In an oscillator, for sustained oscillations, Barkhausen criterion is A.β equal to (A = voltage gain without feedback, β = feedback factor)

EASY
IMPORTANT
Physics>Semiconductor Devices and their Applications>Transistor as an Oscillator> Q 2

A transistor oscillator is

(i) An amplifier with positive feedback

(ii) An amplifier with reduced gain

(iii) The one in which DC supply energy is converted into AC output energy. Then

MEDIUM
IMPORTANT
Physics>Semiconductor Devices and their Applications>Transistor as an Oscillator> Q 3

A transistor oscillator is

(i) An amplifier with positive feedback

(ii) An amplifier with reduced gain

(iii) The one in which DC supply energy is converted into AC output energy. Then

MEDIUM
IMPORTANT
Physics>Semiconductor Devices and their Applications>Transistor as an Oscillator> Q 4

A transistor oscillator is

(i) An amplifier with positive feedback

(ii) An amplifier with reduced gain

(iii) The one in which DC supply energy is converted into AC output energy. Then

HARD
IMPORTANT
Physics>Semiconductor Devices and their Applications>Transistor as an Oscillator> Q 5

A transistor oscillator is

(i) An amplifier with positive feedback

(ii) An amplifier with reduced gain

(iii) The one in which DC supply energy is converted into AC output energy. Then

EASY
IMPORTANT
Physics>Semiconductor Devices and their Applications>Transistor as an Oscillator> Q 6

Compute the LC product of a tuned circuit required to generate a carrier wave of 1 MHz for amplitude modulation?