Difference between revisions of "QAM"
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== Related Links == | == Related Links == | ||
* [[Adding QAM Channels For HDTV Tuner Cards]] | * [[Adding QAM Channels For HDTV Tuner Cards]] | ||
| + | * [[Working QAM cable layout]]s | ||
Revision as of 02:02, 8 March 2007
Quadrature amplitude modulation (QAM) is a modulation scheme which conveys data by changing (modulating) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature carriers — hence the name of the scheme. [1]
Oftentimes, the author is writing in the context of HDTV transmission. The other forms being OTA and satellite service.
