A feedback amplifier has an internal gain = 40dB and a feedback factor = 0.05, if the input impedance of this circuit is 12KΩ. What would have been the input impedance of the amplifier if the feedback had not been present?

An amplifier has a gain of 10 without feedback. To make it oscillate, ß must be _____.

For designing a Push-Pull amplifier, the type of transistors should be _____.

A crystal oscillator provides very stable frequency because of _____.

A transistor is a semiconductor switch which is _____.

An Emitter follower is used for _____.

If the RF signal is 600 KHz and the local oscillator frequency is 1000KHz, the output of the mixer will be _____.

For a class-A power amplifier, the position of point Q is _____.

An operational amplifier can amplify ____________.

Negative Feedback in amplifiers increases _____.

An oscillator is a _____.