Question

In communication system, a repeater is used to extend the range to transmission. It is the combination of ______.

विकल्प

• IF stage and amplifier

• rectifier and detector

• receiver and transmitter

• modulator and power amplifier

Answer 1

In communication system, a repeater is used to extend the range to transmission. It is the combination of receiver and transmitter.

Explanation:

A repeater is a device that combines at least one transmitter, one receiver, and one
carrier-operated relay (COR) in such a way that when a signal is received, the transmitter rebroadcasts it on a different frequency.