Electronics

Class A amplifier can be built from what transistor configuration?

Which class of amplifiers that is intended for pulse operation?

How do you classify an amplifier used to amplify either amplitude (AM) or frequency modulated (FM) signals?

Which class of amplifiers that has the highest efficiency?

What is the efficiency of a series-fed class A amplifier?

A class A transformer coupled has an efficiency of

Class B amplifiers deliver an output signal of 180º and maximum efficiency of

For pulse amplification, class D is mostly used. How efficient is a class D?

Two class B amplifiers connected such that one amplifies the positive and the other amplifies the negative cycle. Both output signals are then coupled by a transformer to the load

A push-pull amplifier that uses npn and pnp transistors to amplify the positive and negative cycles respectively

A push-pull amplifier that uses either npn or pnp as its final stage. The circuit configuration looks like the complementary-symmetry

A type of distortion wherein the output signal does not have the desired linear relation to the input

An amplifier has the ff percent harmonic distortions; D2=10%, D3=5%, D4=1%. What is the amplifier %THD?

A direct-coupled two-stage transistor configuration wherein the output of the first transistor is directly coupled and amplified by the second transistor. This configuration gives a very high current gain

A two-stage transistor amplifier in which the output collector of the first stage provides input to the emitter of the second stage. The final output stage is then taken from the collector of the second stage

Famous transistor amplifier configuration designed to eliminate the so-called Miller Effect

What are the transistor configurations used in a cascode amplifier?

Transistor configuration known to have a super-beta(ß2)

What is the approximate treshold voltage between the base-emitter junction of a silicon darlington transistor?

Transistor arrangement that operates like a darlington but uses a combination of pnp and npn transistors instead of both npn