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- Foster–Seeley_discriminator abstract "The Foster–Seeley discriminator is a common type of FM detector circuit, invented in 1936 by Dudley E. Foster and Stuart William Seeley. The circuit was envisioned for automatic frequency control of receivers, but also found application in demodulating an FM signal. It uses a tuned RF transformer to convert frequency changes into amplitude changes. A transformer, tuned to the carrier frequency, is connected to two rectifier diodes. The circuit resembles a full-wave bridge rectifier. If the input equals the carrier frequency, the two halves of the tuned transformer circuit produce the same rectified voltage and the output is zero. As the frequency of the carrier changes, the balance between the two halves of the transformer secondary changes, and the result is a voltage proportional to the frequency deviation of the carrier. Foster–Seeley discriminators are sensitive to both frequency and amplitude variations, unlike some detectors. Therefore a limiter amplifier stage must be used before the detector, to remove amplitude variations in the signal which would be detected as noise. The limiter acts as a class-A amplifier at lower amplitudes; at higher amplitudes it becomes a saturated amplifier which clips off the peaks and limits the amplitude.Other types of FM detectors are Slope detectorRatio detectorQuadrature detectorPhase-locked loop detector.↑ ↑ ↑".
- Foster–Seeley_discriminator wikiPageExternalLink 51c.htm.
- Foster–Seeley_discriminator wikiPageID "504210".
- Foster–Seeley_discriminator wikiPageLength "2593".
- Foster–Seeley_discriminator wikiPageOutDegree "17".
- Foster–Seeley_discriminator wikiPageRevisionID "693937981".
- Foster–Seeley_discriminator wikiPageWikiLink Amplifier.
- Foster–Seeley_discriminator wikiPageWikiLink Carrier_frequency.
- Foster–Seeley_discriminator wikiPageWikiLink Carrier_wave.
- Foster–Seeley_discriminator wikiPageWikiLink Category:Communication_circuits.
- Foster–Seeley_discriminator wikiPageWikiLink Category:Demodulation.
- Foster–Seeley_discriminator wikiPageWikiLink Detector_(radio).
- Foster–Seeley_discriminator wikiPageWikiLink Diode.
- Foster–Seeley_discriminator wikiPageWikiLink Diode_bridge.
- Foster–Seeley_discriminator wikiPageWikiLink Frequency_modulation.
- Foster–Seeley_discriminator wikiPageWikiLink Limiter.
- Foster–Seeley_discriminator wikiPageWikiLink Phase-locked_loop.
- Foster–Seeley_discriminator wikiPageWikiLink Radio_frequency.
- Foster–Seeley_discriminator wikiPageWikiLink Rectifier.
- Foster–Seeley_discriminator wikiPageWikiLink Stuart_William_Seeley.
- Foster–Seeley_discriminator wikiPageWikiLinkText "FM detector circuit".
- Foster–Seeley_discriminator wikiPageWikiLinkText "Foster–Seeley discriminator".
- Foster–Seeley_discriminator wikiPageUsesTemplate Template:Reflist.
- Foster–Seeley_discriminator subject Category:Communication_circuits.
- Foster–Seeley_discriminator subject Category:Demodulation.
- Foster–Seeley_discriminator hypernym Type.
- Foster–Seeley_discriminator type Circuit.
- Foster–Seeley_discriminator type Redirect.
- Foster–Seeley_discriminator comment "The Foster–Seeley discriminator is a common type of FM detector circuit, invented in 1936 by Dudley E. Foster and Stuart William Seeley. The circuit was envisioned for automatic frequency control of receivers, but also found application in demodulating an FM signal. It uses a tuned RF transformer to convert frequency changes into amplitude changes. A transformer, tuned to the carrier frequency, is connected to two rectifier diodes. The circuit resembles a full-wave bridge rectifier.".
- Foster–Seeley_discriminator label "Foster–Seeley discriminator".
- Foster–Seeley_discriminator sameAs Q1228902.
- Foster–Seeley_discriminator sameAs Diskriminator.
- Foster–Seeley_discriminator sameAs Litar_pembezalayan_Foster-Seeley.
- Foster–Seeley_discriminator sameAs m.02j9vl.
- Foster–Seeley_discriminator sameAs Q1228902.
- Foster–Seeley_discriminator wasDerivedFrom Foster–Seeley_discriminator?oldid=693937981.
- Foster–Seeley_discriminator isPrimaryTopicOf Foster–Seeley_discriminator.