Transceiver
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A transceiver is a device that has a transmitter and receiver which is combined into a one unit. The term originates around WWII. Technically, transceiver must combine a significant amount of the transmitter and receiver handling circuitry.
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Electronics
In electronics, the term transceiver refers to a device which combines both transmission and reception capabilities within a single housing. The term is used for semiconductor devices designed to send and receive digital data over a line or cable.
Computer networks
In computer networking, the term transceiver (sometimes abbreviated to TCVR) is a device that performs, within one chassis, both transmitting and receiving functions that is in a common housing, sometimes designed for portable or mobile use, uses common circuit components for both transmitting and receiving which provides half-duplex operation.
Transceivers were once commonly used in ethernet 10BASE5 networks.
Radio technology
In radio terminology, a transceiver means a unit which contains both a receiver and a transmitter. It was quite common to have these units separated. Ham Radio amateurs can build their own equipment and it is always easier to design and build a simple unit having one of the functions, transmitting or receiving. Almost every modern amateur radio equipment is now a transceiver but there is an active market for pure radio receivers, mainly for SWL operators. An example of a transceiver would be a walkie-talkie, or a CB radio.
See also
Source: from Federal Standard 1037C and from MIL-STD-188.
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