SYNCHRONOUS DETECTOR CIRCUITS

The circuit has a common base coupling to minimize dependence of the outsignal phase on the amplifier input level. A filter circuit coupled to the supplying circuit includes, a tuning circuit tuned to the frequency of the carrier on which the information signal is modulated, and a limiter circuit co...

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Bibliographische Detailangaben
Hauptverfasser:	HONGU, MASAYUKI, OOMURO, SHIGERU, TOKUHARA, MASAHARU, KIDA, HIROYUKI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRONIC CIRCUITRY DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	The circuit has a common base coupling to minimize dependence of the outsignal phase on the amplifier input level. A filter circuit coupled to the supplying circuit includes, a tuning circuit tuned to the frequency of the carrier on which the information signal is modulated, and a limiter circuit connected to the filter circuit to produce a switching carrier. A multiplier has two input terminals coupled to the output of the limiter circuit and to the supplying circuit. This multiplies the modulated information signal and the switching carrier to obtain the information signal.