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 ?
According to the FCC, 143 broadcasters have already terminated their analog signals and another 60 plan to do so before February 17.
The Signal Analysis PICtail Daughter Board and accompanying PC software, when plugged into the PICkit 1 Flash Starter Kit, enables engineers to analyze analog signals as processed by Microchip's low pin-count PIC 8- bit microcontrollers.
The digital TV is mainly to reduce the RF with the central frequency at about 200-800MHz to IF with the central frequency at about 36MHz through the tuner after receiving the analog signals from TV stations through antenna.
The chip maker has extensive technology in the manufacture of chips for the conversion of analog signals to digital, the so-called converter chip, as well as in amplifier chips, used to strengthen low-level signals.
Despite the stunning clarity of an HDTV video image, more than 80 percent of all TV content is still transmitted and received using standard definition composite analog signals, while VCRs and DVD players require analog interfaces to send video and audio signals out to the TV.