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frequency-modulation detector |
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frequency-modulation detector [′frē·kwən·sē ‚mäj·ə‚lā·shən di′tek·tər]
(electronics) A device, such as a Foster-Seely discriminator, for the detection or demodulation of a frequency-modulated wave. Frequency-modulation detector A device for the detection or demodulation of a frequency-modulated (FM) wave. FM detectors operate in several ways. In one class of detector, known as a discriminator, the frequency modulation is first converted to amplitude modulation, which is then detected by an amplitude-modulation detector. Another type of FM detector employs a phased-locked oscillator to recover the modulation. A still different type converts the frequency modulation to plus-rate modulation, which can be converted to the desired signal by use of an integrating circuit. See Amplitude-modulation detector Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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