frequency discriminator

frequency discriminator

[¦frē·kwən·sē di′skrim·ə‚nād·ər]
(electronics)
A discriminator circuit that delivers an output voltage which is proportional to the deviations of a signal from a predetermined frequency value.
References in periodicals archive ?
His topics include simulating the PLL linear operational mode, phase noise and other spurious interferers, carrier recovery applications and acquisition, interfacing the frequency discriminator to the PLL, and frequency synthesis applications.
The digital frequency discriminator is an essential component of an 1FM receiver system.
An input signal from the dynamic selector is divided in a divider (1) between a frequency discriminator (2) and second filter (3).
The oscillator phase noise is characterized in the free running mode using a test bench based on a frequency discriminator.
A series of next-generation digital frequency discriminator (DFD) and pulse frequency discriminator receivers illustrate the direction of recent innovation.
The monotonic digital amplitude quantizer (MDAQ) provides a serial stream (one sample every 25 ns) of RF amplitude digital data to the standard video processor (SVP) and a limited RF input to the digital frequency discriminator (DFD).
Existing MTI radars have used this approach for years with analog feedback circuits that include an open-loop frequency discriminator.
The system uses a redundant frequency discriminator and DRFM front-end (A/D).
In the calibration mode the external jamming signal (VCO) is stepped through its frequency range to build a calibration table for the frequency discriminator.
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