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Identify the device which is a combination of a transmitter, an amplifier and a receiver which picks up a signal and retransmits it.

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in Physics – Class 12 by (135k points)
Identify the device which is a combination of a transmitter, an amplifier and a receiver which picks up a signal and retransmits it.

(a) Multi-tandem transmitter

(b) Repeater

(c) Amplifier

(d) Modem

This question was addressed to me in a job interview.

The doubt is from Basic Terminology Used in Electronic Communication Systems in portion Communication Systems of Physics – Class 12

1 Answer

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Best answer
Right choice is (b) Repeater

Best explanation: A repeater is a combination of a transmitter, an amplifier and a receiver which picks up a signal from the transmitter, amplifies and retransmits it to the receiver sometimes with a change of carrier frequency.

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