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Radio Receivers

Q1: A duplexer is a device used to

A feed more than one receiver from a single antenna

B connect two transmitters to the same antenna

C connect a receiver and a transmitter to the same antenna

D none of these

ANS:C - connect a receiver and a transmitter to the same antenna

In telecommunications, a duplexer is a device that combines two or more signals into a common channel or medium to increase its transmission efficiency. Simply put the duplexer allows the antenna to be shared between transmit and receive.

In printing, a duplexer is used to print on both sides of the paper.



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