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Encyclopedia > Handset

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. In communications and information processing, a transmitter (sometimes abbreviated XMTR) is an object (source) which sends information to an observer (receiver). ... The word receiver has a number of different meanings: In communications and information processing, a receiver is the recipient (observer) of a message (information), which is sent from a source (object). ... German soldiers at the Battle of Stalingrad World War II was the most extensive and costly armed conflict in the history of the world, involving the great majority of the worlds nations, being fought simultaneously in several major theatres, and costing tens of millions of lives. ...

Contents

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. Electronics is the study and use of electrical devices that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. ...


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. A computer network is a system for communication among two or more computers. ... There are many kinds of circuit An electric circuit interconnects electrical elements. ... Duplex is the having of two principal elements or parts. ...


Transceivers were once commonly used in ethernet 10BASE5 networks. Ethernet (this name comes from the physical concept of ether) is a frame-based computer networking technology for local area networks (LANs). ... 10BASE5 (also known as thicknet) is the original full spec variant of Ethernet cable, using RG-8 (Radio Grade - 8) coaxial cable. ...


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. Amateur radio, commonly called ham radio, is a hobby enjoyed by many people throughout the world (as of 2004 about 3 million worldwide, 60,000 in UK, 70,000 in Germany, 5,000 in Norway, 57,000 in Canada, and 700,000 in the USA). ... A sister hobby to amateur radio where the operator only uses a receiver to monitor HF transmissions. ... A walkie-talkie is a portable, bi-directional radio transceiver, first developed for military use. ... Citizens band radio (CB) is, in the United States, a system of short distance radio communication between individuals on a selection of 40 channels within the single 27 MHz (11 meter) band. ...


See also

Source: from Federal Standard 1037C and from MIL-STD-188. In telecommunication, the term transponder (sometimes abbreviated to XPDR or TPDR) has the following meanings: An automatic device that receives, amplifies, and retransmits a signal on a different frequency. ... Federal Standard 1037C entitled Telecommunications: Glossary of Telecommunication Terms is a U.S. Federal Standard, issued by the General Services Administration pursuant to the Federal Property and Administrative Services Act of 1949, as amended. ... MIL-STD-188 is a series of U.S. military standards relating to telecommunications. ...



  Results from FactBites:
 
Telephone - Wikipedia, the free encyclopedia (1640 words)
Because of the power required to transmit to the handset, the base station is powered with an electronic power supply.
When a handset gets too far from a cell site, a computer system commands the handset and a closer cell site to take up the communications on a different channel without interrupting the call.
The modern handset came into existence when a Swedish lineman tied a microphone and earphone to a stick so he could keep a hand free.
  More results at FactBites »

 
 

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