[go: up one dir, main page]

ES8401695A1 - Un receptor de frecuencia modulada que tiene un bucle de enclavamiento de frecuencia. - Google Patents

Un receptor de frecuencia modulada que tiene un bucle de enclavamiento de frecuencia.

Info

Publication number
ES8401695A1
ES8401695A1 ES520368A ES520368A ES8401695A1 ES 8401695 A1 ES8401695 A1 ES 8401695A1 ES 520368 A ES520368 A ES 520368A ES 520368 A ES520368 A ES 520368A ES 8401695 A1 ES8401695 A1 ES 8401695A1
Authority
ES
Spain
Prior art keywords
loop
stereo
filter
frequency
receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES520368A
Other languages
English (en)
Other versions
ES520368A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES520368A0 publication Critical patent/ES520368A0/es
Publication of ES8401695A1 publication Critical patent/ES8401695A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)

Abstract

RECEPTOR DE FRECUENCIA MODULADA QUE TIENE UN BUCLE DE ENCLAVAMIENTO DE FRECUENCIA.CONSTA DE UN BUCLE DE ENCLAVAMIENTO DE FRECUENCIA (2, 14), QUE INCLUYE CONECTADAS SUCESIVAMENTE UN OSCILADOR (8) CONTROLADO POR TENSION, UN CIRCUITO MEZCLADOR (2) CONECTADO A UNA ENTRADA DE ANTENA, UN FILTRO (9) DE FRECUENCIA INTERMEDIA, UN DETECTOR (4) DE FRECUENCIA MODULADA, UNA DISPOSICION (5) DE FILTRO DE BORDE, UN AMPLIFICADOR (6) DE BUCLE CONECTADO A UNA ENTRADA DE CONTROL DE OSCILADOR (8) CONTROLADO POR TENSION PARA UNA REALIMENTACION DE LA SEÑAL DE MODULACION DE LA SEÑAL DEFRECUENCIA MODULADA RECIBIDA, COMPRENDIENDO LA DISPOSICION (5) DEL FILTRO DE BUCLE QUE INCLUYE UN PRIMER FILTRO (14) DE PASO DE BAJOS. ES REALIZABLE EN FORMA DE CIRCUITO INTEGRADO, PERMITIENDO EL TRATAMIENTO DE SEÑALES ESTEREOFONICAS DE FRECUENCIA MODULADA. LAS SEÑALES ESTEREOFONICAS ADITIVA Y SUSTRACTIVAMENTE SON SELECTIVA E INDEPENDIENTEMENTE REALIMENTADAS A TRAVES DE DOS CIRCUITOS (14, 18) FILTRO SIMPLES DISPUESTOS EN PARALELO Y DE SELECTIVIDAD DEBIL.
ES520368A 1982-03-09 1983-03-07 Un receptor de frecuencia modulada que tiene un bucle de enclavamiento de frecuencia. Expired ES8401695A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8200959A NL8200959A (nl) 1982-03-09 1982-03-09 Fm-ontvanger voorzien van een frequentie gesleutelde lus.

Publications (2)

Publication Number Publication Date
ES520368A0 ES520368A0 (es) 1983-12-16
ES8401695A1 true ES8401695A1 (es) 1983-12-16

Family

ID=19839390

Family Applications (1)

Application Number Title Priority Date Filing Date
ES520368A Expired ES8401695A1 (es) 1982-03-09 1983-03-07 Un receptor de frecuencia modulada que tiene un bucle de enclavamiento de frecuencia.

Country Status (15)

Country Link
US (1) US4523328A (es)
EP (1) EP0088467B1 (es)
JP (1) JPS58166840A (es)
KR (1) KR880001980B1 (es)
AR (1) AR230543A1 (es)
AT (1) ATE22765T1 (es)
AU (1) AU564027B2 (es)
BR (1) BR8301101A (es)
CA (1) CA1208701A (es)
DE (1) DE3366793D1 (es)
DK (1) DK73983A (es)
ES (1) ES8401695A1 (es)
HK (1) HK39487A (es)
NL (1) NL8200959A (es)
SG (1) SG20387G (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3335024A1 (de) * 1983-09-28 1985-04-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen empfaenger mit zwei phasenregelkreisen
DE3346059A1 (de) * 1983-12-21 1985-07-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Fm-stereoempfaenger
DE3419040A1 (de) * 1984-05-22 1985-11-28 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur hubbegrenzung in einem frequenzmodulierten sprechfunkgeraet
DE3446078A1 (de) * 1984-12-18 1986-06-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Fm-stereoempfaenger
EP0255553B1 (de) * 1986-08-07 1992-07-22 Deutsche ITT Industries GmbH Empfangsverfahren für frequenzmodulierte Stereo-Multiplex-Signale
JPH03101528A (ja) * 1989-09-14 1991-04-26 Clarion Co Ltd Ｆｍステレオ受信装置
US5097230A (en) * 1990-05-24 1992-03-17 Emhiser Research Limited Phase locked loop that includes D. C. modulation
US6418556B1 (en) * 1993-09-09 2002-07-09 United Video Properties, Inc. Electronic television program guide schedule system and method
US5812737A (en) * 1995-01-09 1998-09-22 The Board Of Trustees Of The Leland Stanford Junior University Harmonic and frequency-locked loop pitch tracker and sound separation system
US6633550B1 (en) * 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
EP1091512A1 (fr) * 1999-10-06 2001-04-11 Conseils et Manufactures VLG SA Récepteur à modulation de fréquence, notamment pour une application RDS
CH702685B1 (fr) 1999-10-06 2011-08-31 Richemont Int Sa Récepteur à modulation de fréquence, notamment pour une application RDS.
US8144878B2 (en) 2006-03-06 2012-03-27 Mediatek Inc. FM receiver and pilot detector thereof, and method for determining a type of a processed signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL273845A (es) * 1961-01-24
GB1118903A (en) * 1966-03-03 1968-07-03 Igor Alexandrovich Gusyatinsky A frequency-modulated receiver
US3466399A (en) * 1966-12-06 1969-09-09 Zenith Radio Corp Stereo receiver suitable for integrated circuit construction
US3798376A (en) * 1969-12-29 1974-03-19 Rca Corp Multiplex decoding system
JPS5226081B1 (es) * 1971-04-21 1977-07-12
NL184594C (nl) * 1979-09-04 1989-09-01 Philips Nv Radio-ontvanger voorzien van een frequentie gesleutelde lus met audiofrequente terugkoppeling, en een stomschakeling.

Also Published As

Publication number Publication date
HK39487A (en) 1987-05-29
SG20387G (en) 1987-07-03
JPS58166840A (ja) 1983-10-03
NL8200959A (nl) 1983-10-03
ES520368A0 (es) 1983-12-16
US4523328A (en) 1985-06-11
AU564027B2 (en) 1987-07-30
KR840004632A (ko) 1984-10-22
DK73983A (da) 1983-09-10
ATE22765T1 (de) 1986-10-15
DE3366793D1 (en) 1986-11-13
KR880001980B1 (ko) 1988-10-08
AR230543A1 (es) 1984-04-30
EP0088467A2 (en) 1983-09-14
CA1208701A (en) 1986-07-29
EP0088467B1 (en) 1986-10-08
EP0088467A3 (en) 1983-10-26
JPH0430771B2 (es) 1992-05-22
BR8301101A (pt) 1983-11-22
AU1212883A (en) 1983-09-15
DK73983D0 (da) 1983-02-21

Similar Documents

Publication Publication Date Title
JPS5555639A (en) Demodulation system of multiplex modulation wave
ES8401695A1 (es) Un receptor de frecuencia modulada que tiene un bucle de enclavamiento de frecuencia.
EP0196697B1 (en) Am receiver
ES8402479A1 (es) Un demodulador de banda base para senales de fm.
JPS623621B2 (es)
GB1473787A (en) Adaptive frequency filter
US4766392A (en) Demodulating an angle-modulated signal
US5034695A (en) Full threshold FM demodulator
GB2208340A (en) Oscillator or phase shift network employing gyrator
US3935533A (en) Single oscillator microwave transceiver
EP0451277A4 (en) Automatic gain control circuit
GB1335333A (en) Receiver for suppressed carrier modulated signals
US4362999A (en) AM Stereo phase modulation decoder
EP0529183A2 (de) Autoradio
EP0171997A1 (en) Duplex microwave equipment with a single microwave oscillator
JPS5737906A (en) Fm receiver
GB1536961A (en) Frequency-modulated stereo-signal receivers
JPS55136707A (en) Fm demodulation circuit
JPS6446351A (en) Digital signal receiver
JPS5738038A (en) Fm receiver
JPS6439881A (en) Processing circuit for video intermediate frequency signal
GB2144939A (en) Receiver including surface acoustic wave amplifier
JPH0748668B2 (ja) 周波数制御回路
JPS5538725A (en) Transmitter/receiver
JPS5739630A (en) Radio equipment