analog signal

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analog signal

[′an·əl‚äg ′sig·nəl]
(electronics)
A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound, light, heat, position, or pressure.
References in periodicals archive ?
NEARLY two-thirds of recently bought televisions still use the old analogue signal - despite the impending switch to digital.
The analogue signal will be turned off between 2008 and 2012.
Speaking at a TV industry conference, Mr Smith promised to cut off the analogue signal - leaving digital as the only way to get pictures.