ES2022843B3 - Demodulador para demodulacion de señales de entrada - Google Patents

Demodulador para demodulacion de señales de entrada

Info

Publication number
ES2022843B3
ES2022843B3 ES87109772T ES87109772T ES2022843B3 ES 2022843 B3 ES2022843 B3 ES 2022843B3 ES 87109772 T ES87109772 T ES 87109772T ES 87109772 T ES87109772 T ES 87109772T ES 2022843 B3 ES2022843 B3 ES 2022843B3
Authority
ES
Spain
Prior art keywords
ari
demodulator
present
demodulation
input signals
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
ES87109772T
Other languages
English (en)
Inventor
Wilhelm Hegeler
Dieter Poschen
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 ES2022843B3 publication Critical patent/ES2022843B3/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
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0031—PLL circuits with quadrature locking, e.g. a Costas loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
ES87109772T 1986-08-09 1987-07-07 Demodulador para demodulacion de señales de entrada Expired - Lifetime ES2022843B3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863627007 DE3627007A1 (de) 1986-08-09 1986-08-09 Demodulator zur demodulation von eingangssignalen

Publications (1)

Publication Number Publication Date
ES2022843B3 true ES2022843B3 (es) 1991-12-16

Family

ID=6307025

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87109772T Expired - Lifetime ES2022843B3 (es) 1986-08-09 1987-07-07 Demodulador para demodulacion de señales de entrada

Country Status (4)

Country Link
EP (1) EP0256287B1 (es)
AT (1) ATE63185T1 (es)
DE (1) DE3627007A1 (es)
ES (1) ES2022843B3 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715571A1 (de) * 1987-05-09 1988-12-08 Blaupunkt Werke Gmbh Demodulator zur demodulation von eingangssignalen
JP2572986B2 (ja) * 1987-06-03 1997-01-16 三洋電機株式会社 復調回路
DE3823552C2 (de) * 1988-07-12 1995-08-24 Blaupunkt Werke Gmbh Schaltungsanordnung zur Demodulation eines Hilfsträgers
NL8802961A (nl) * 1988-12-01 1990-07-02 Philips Nv Fm-ontvanger.
EP1094627A1 (en) * 1999-10-20 2001-04-25 Sony International (Europe) GmbH Method and device to retrieve RDS information
DE10111590B4 (de) * 2001-03-10 2004-05-06 Harman Becker Automotive Systems (Becker Division) Gmbh Verfahren und Schaltungsanordnung zur Demodulation des RDS-Signals

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3433592A1 (de) * 1984-09-13 1986-03-20 Blaupunkt-Werke Gmbh, 3200 Hildesheim Verfahren zur demodulation amplitudenmodulierter eingangssignale mit unterdruecktem traeger und schaltungsanordnung hierfuer
DE3624529A1 (de) * 1986-07-19 1988-01-21 Blaupunkt Werke Gmbh Digitaler demodulator

Also Published As

Publication number Publication date
DE3627007A1 (de) 1988-02-18
DE3627007C2 (es) 1990-06-07
ATE63185T1 (de) 1991-05-15
EP0256287B1 (de) 1991-05-02
EP0256287A2 (de) 1988-02-24
EP0256287A3 (en) 1988-10-05

Similar Documents

Publication Publication Date Title
KR910008981A (ko) 위성방송 수신기
KR970055685A (ko) Qpsk 변조신호와 fm변조신호를 모두 처리할 수 있는 위성방송 튜너
ATE67620T1 (de) Empfaenger fuer verkehrsfunksendungen.
ES2022843B3 (es) Demodulador para demodulacion de señales de entrada
ES2142846T3 (es) Receptor de radio.
DE59410344D1 (de) Demodulator für RDS-Signale
ES2013650B3 (es) Demulador digital
US4447909A (en) Circuit for rapid recognition of FSK signals in a radio channel
JP2752388B2 (ja) Ｒｄｓ受信機におけるデータ復調回路
DK117083D0 (da) Fm-modtager til modtagelse af fm-signaler med transmissionsidentifikation
WO1985003824A1 (en) Fm subcarrier transmission system
KR950002305A (ko) 라디오데이타신호용 복조기
ES2035137T3 (es) Demodulador para la demodulacion de senales de entrada.
DE69725227D1 (de) Taktrückgewinnung für DAB-Empfänger
SE8203649L (en) Motor vehicle radio receiver - has control circuit connected to receiver blocking stage and via store to tuning voltage generator
EP0326746A3 (en) Radio data system receiver
ES465050A1 (es) Un receptor de television perfeccionado.
HUP9802364A2 (hu) Modulációs eljárás és kapcsolási elrendezés adatjelek átvitelére
JPS6439129A (en) Communication equipment facilitating transfer of information between vehicle and stational information spot
DE3068626D1 (en) Circuit for the demodulation of a signal modulated by digital information and receiver comprising such a circuit
JPS6266730A (ja) ペ−ジヤ
EP0683586A2 (en) FSK receiver
DE59410378D1 (de) Demodulationsverfahren und Demodulator für Radio-Daten-Signale
SE9701908L (sv) Mottagningsanordning som kan mottaga en sändningssignal för att bilda en talsignal med stor stabilitet
KR900001225Y1 (ko) Fm 방송수신 모드의 스테레오/모노 자동절환 회로