Encyclopedia > Transponder

  Article Content


In telecommunication, the term transponder has the following meanings:

1 . An automatic device that receives, amplifies, and retransmits a signal on a different frequency.

2. An automatic device that transmits a predetermined message in response to a predefined received signal.

Note: An example of transponders is in identification-friend-or-foe systems and air-traffic-control secondary radar (beacon radar) systems.

3. A receiver-transmitter that will generate a reply signal upon proper interrogation.

Source: from Federal Standard 1037C and from MIL-STD-188 and from the Department of Defense Dictionary of Military and Associated Terms

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article

... also spelled Rameses, is the name of several Egyptian pharaohs: Ramses I[?] Ramses II ("The Great") Ramses III Ramses IV[?] The name means "Child of ...

This page was created in 32.8 ms