A duplexer is a device that allows bi-directional (duplex) communication over a single path.
Note 2: A duplexer must provide adequate rejection of transmitter noise occurring at the receive frequency, and must be designed to operate at, or less than, the frequency separation between the transmitter and receiver.
Note 3: A duplexer must provide sufficient isolation to prevent receiver desensitization.
Source: from Federal Standard 1037C
- Rinehart, Ronald E. (1991). Radar for Meteorologists. University of North Dakota. radar engineers have added the automatic switch (also called a duplexer) in the ... As soon as the transmitter stops sending a signal, the duplexer switches so that the receiver is now connected to the antenna.
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