Frequency-exchange signaling

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Frequency-exchange signaling is frequency-change signaling in which the change from one significant condition to another is accompanied by decay in amplitude of one or more frequencies and by buildup in amplitude of one or more other frequencies.

Frequency-exchange signaling applies to supervisory signaling and user-information transmission. Synonym two-source frequency keying.

Retrieved from "http://en.wikipedia.org../../../f/r/e/Frequency-exchange_signaling.html"

Category: Telecommunications

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• This page was last modified 02:03, 14 October 2006 by Wikipedia user Crystallina. Based on work by Wikipedia user(s) Bluebot, Marudubshinki, Creidieki, Hetar, Kevin Rector and Imran and Anonymous user(s) of Wikipedia.
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