Question 89: Semiconductors and Logic Gates

Question

The positive feedback is required by an amplifier to act an oscillator. The feedback here means :

Accepted Answer

Feedback means a portion of the output power is fed to the inputs.

Answer

External input is necessary to sustain ac signal in output.

Answer

A portion of the output power is returned back to the input.

Answer

Feedback can be achieved by LR network.

Answer

The base-collector junction must be forward biased.

Semiconductors and Logic Gates