ES2091755T3 - Disposicion de circuito para la desmodulacion de una sub-portadora. - Google Patents

Disposicion de circuito para la desmodulacion de una sub-portadora.

Info

Publication number
ES2091755T3
ES2091755T3 ES89111145T ES89111145T ES2091755T3 ES 2091755 T3 ES2091755 T3 ES 2091755T3 ES 89111145 T ES89111145 T ES 89111145T ES 89111145 T ES89111145 T ES 89111145T ES 2091755 T3 ES2091755 T3 ES 2091755T3
Authority
ES
Spain
Prior art keywords
carrier
mixed
demodulation
frequency signal
sub
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 - Lifetime
Application number
ES89111145T
Other languages
English (en)
Inventor
Wilhelm Hegeler
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.)
Blaupunkt Werke GmbH
Original Assignee
Blaupunkt Werke GmbH
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 Blaupunkt Werke GmbH filed Critical Blaupunkt Werke GmbH
Application granted granted Critical
Publication of ES2091755T3 publication Critical patent/ES2091755T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
    • H03D1/2254—Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

EN UN DISPOSITIVO DE CONEXION PARA LA DEMODULACION DE UNA SEÑAL DE FRECUENCIA PORTADORA, ESPECIALMENTE EN UN SISTEMA DE RADIODATOS, SE UTILIZAN VARIAS SEÑALES MIXTAS, QUE ESTAN EN DIFERENTES FASES DE UNA FRECUENCIA QUE SE ENCUENTRA FUERA DE LA BANDA QUE SE UTILIZA EN LA FRECUENCIA PORTADORA. CADA UNA DE LAS SEÑALES MIZTAS SE MEZCLA CON LA SEÑAL DE LA FRECUENCIA PORTADORA. LOS PRODUCTOS MIXTOS QUE QUEDAN SE MEZCLAN, DESPUES DE LA FILTRACION Y LA TRANSFORMACION RADICAL DIGITAL/ANALOGA, EN LA BANDA BASICA, EN LA QUE SE UTILIZAN DIFERENTES PRODUCTOS MIXTOS (DE VALOR MOMENTANEO) EN SUCESION CICLICA PARA LA CONSTITUCION RESPECTIVA DE UNA SEÑAL DE SALIDA.
ES89111145T 1988-07-12 1989-06-20 Disposicion de circuito para la desmodulacion de una sub-portadora. Expired - Lifetime ES2091755T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3823552A DE3823552C2 (de) 1988-07-12 1988-07-12 Schaltungsanordnung zur Demodulation eines Hilfsträgers

Publications (1)

Publication Number Publication Date
ES2091755T3 true ES2091755T3 (es) 1996-11-16

Family

ID=6358481

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89111145T Expired - Lifetime ES2091755T3 (es) 1988-07-12 1989-06-20 Disposicion de circuito para la desmodulacion de una sub-portadora.

Country Status (4)

Country Link
EP (1) EP0350663B1 (es)
AT (1) ATE142825T1 (es)
DE (2) DE3823552C2 (es)
ES (1) ES2091755T3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140132C2 (de) * 1991-12-05 1994-07-21 Blaupunkt Werke Gmbh Digitaler Oszillator
DE10111590B4 (de) * 2001-03-10 2004-05-06 Harman Becker Automotive Systems (Becker Division) Gmbh Verfahren und Schaltungsanordnung zur Demodulation des RDS-Signals
DE10317598A1 (de) 2003-04-16 2004-11-25 Infineon Technologies Ag Integrierter Transceiverschaltkreis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3114063A1 (de) * 1981-04-07 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Empfangssystem
FR2560688B1 (fr) * 1984-03-02 1987-07-17 Thomson Csf Dispositif de traitement du signal de reception radar a frequence intermediaire et radar comportant un tel dispositif
DE3516282A1 (de) * 1985-05-07 1986-11-13 Blaupunkt Werke Gmbh Digitaler demodulator
DE3627007A1 (de) * 1986-08-09 1988-02-18 Blaupunkt Werke Gmbh Demodulator zur demodulation von eingangssignalen
JPS6387052A (ja) * 1986-09-30 1988-04-18 Pioneer Electronic Corp Ｆｍ多重放送受信機におけるデ−タ復調回路

Also Published As

Publication number Publication date
EP0350663A3 (de) 1990-11-28
DE58909726D1 (de) 1996-10-17
DE3823552C2 (de) 1995-08-24
EP0350663B1 (de) 1996-09-11
ATE142825T1 (de) 1996-09-15
DE3823552A1 (de) 1990-01-18
EP0350663A2 (de) 1990-01-17

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