Electronics

What coupling provides maximum voltage gain?

The gain of an amplifier _____ when negative feedback is added.

Feedback factor is always

_____ operation is used for general amplification where no distortion can be tolerated.

_____ operation is used either where the signal needs to be cut in half, such as in pulse detector or noise detectors or where the push-pull operation of two stages is required.

_____ operation has little use in general purpose amplifiers, but is used in high frequency oscillators

Why is it that transformer coupling provides high frequency?

For constant-k high-pass filter, cut-off frequency (in Hz) is given by

Class C operation can have _____ percent efficiency.

The efficiency of class AB operation has a maximum of between _____ percent

Transformer coupling is generally employed when load resistance is

Which of the following amplifier below is a choice when higher power gain is a requirement.

The signal generator generally used in laboratories is _____ oscillator.

A buffer amplifier is used for

Parasitic oscillations are caused by

Which is a fixed-frequency oscillator?

The approximate operating frequency of a phase shift oscillator is given by

The frequency of the ripple voltage at the output of a full-wave rectifier at 60 cycles.

In an LC oscillator, if the value of L is increased four times, then frequency of oscillations is

A class A power amplifier is otherwise known as