BE874263A - Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude - Google Patents

Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude

Info

Publication number
BE874263A
BE874263A BE1/9282A BE1009282A BE874263A BE 874263 A BE874263 A BE 874263A BE 1/9282 A BE1/9282 A BE 1/9282A BE 1009282 A BE1009282 A BE 1009282A BE 874263 A BE874263 A BE 874263A
Authority
BE
Belgium
Prior art keywords
recovering
carrier
circuit
digital signal
signal transmitted
Prior art date
Application number
BE1/9282A
Other languages
English (en)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BE874263A publication Critical patent/BE874263A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BE1/9282A 1978-03-10 1979-02-19 Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude BE874263A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7806954A FR2419614A1 (fr) 1978-03-10 1978-03-10 Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude
US06/019,246 US4253189A (en) 1978-03-10 1979-03-09 Circuit for recovering the carrier of an amplitude modulated synchronous digital signal

Publications (1)

Publication Number Publication Date
BE874263A true BE874263A (fr) 1979-08-20

Family

ID=26220478

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1/9282A BE874263A (fr) 1978-03-10 1979-02-19 Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude

Country Status (9)

Country Link
US (1) US4253189A (fr)
JP (1) JPS54127266A (fr)
BE (1) BE874263A (fr)
CA (1) CA1129506A (fr)
DE (1) DE2908589A1 (fr)
FR (1) FR2419614A1 (fr)
GB (1) GB2017436B (fr)
LU (1) LU81020A1 (fr)
NL (1) NL7901891A (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466146B1 (fr) * 1979-09-19 1987-06-12 Cit Alcatel Circuit d'asservissement de la phase d'un oscillateur local pour recepteur de signaux de donnees transmis par une modulation d'amplitude en bande laterale unique
JPS596101B2 (ja) * 1979-12-18 1984-02-09 富士ゼロックス株式会社 搬送波再生回路
US4445223A (en) * 1981-01-05 1984-04-24 Motorola, Inc. Apparatus and method for determining the presence and frequency of a periodic signal
US4416017A (en) * 1981-01-05 1983-11-15 Motorola, Inc. Apparatus and method for attenuating interfering signals
FR2510331A1 (fr) * 1981-07-23 1983-01-28 Leclert Alain Circuit de regeneration d'une onde porteuse
US4561067A (en) * 1982-06-23 1985-12-24 British Telecommunications Multi-channel cross-talk interference reduction circuit using modulation-multiplying-demodulation correlator
US4510611A (en) * 1982-11-19 1985-04-09 General Electric Company Transceiver circuit for interfacing between a power line communication system and a data processor
GB8300076D0 (en) * 1983-01-04 2010-03-10 Secr Defence Electronic detector circuit
IT1212806B (it) * 1983-12-30 1989-11-30 Ates Componenti Elettron Demodulatore sincrono per segnali modulati in ampiezza.
FR2562351B1 (fr) * 1984-03-30 1986-06-20 Labo Electronique Physique Comparateur de phase a fonctionnement linearise et boucle a verrouillage de phase comprenant un tel comparateur de phase
US4680778A (en) * 1985-10-02 1987-07-14 Motorola, Inc. Fast acquisition circuit for synchronous digital receiver operating in wideband noise
US4726043A (en) * 1986-11-28 1988-02-16 American Telephone And Telegraph Company Data decision-directed timing and carrier recovery circuits
EP0497433B1 (fr) * 1987-06-23 1995-09-20 Nec Corporation Système de démodulation à phase commandée pour communication numérique
FR2621188B1 (fr) * 1987-09-25 1989-12-29 Labo Electronique Physique Circuit de recuperation de l'onde porteuse de systemes de transmissions numeriques
GB2237480A (en) * 1989-10-06 1991-05-01 Secr Defence Carrier regeneration
JP2513331B2 (ja) * 1989-11-10 1996-07-03 日本電気株式会社 搬送波再生器
DE4325713A1 (de) * 1993-07-30 1995-02-02 Siemens Ag Verfahren und Schaltungsanordnung zur Demodulation und Schwellenwertdiskrimination von getasteten CW-Signalen
GB2287144B (en) * 1994-02-23 1998-11-18 Motorola Israel Ltd A radio device and a single-frequency radio transponder
DE4431522A1 (de) * 1994-09-03 1996-03-07 Philips Patentverwaltung Verfahren und Schaltungsanordnung zum Demodulieren eines digital amplitudenmodulierten Trägersignals
US5675284A (en) * 1996-05-13 1997-10-07 Zenith Electronics Corporation Frequency lock indicator for FPLL demodulated signal having a pilot
JP2910695B2 (ja) * 1996-08-30 1999-06-23 日本電気株式会社 コスタスループ搬送波再生回路
US6707863B1 (en) 1999-05-04 2004-03-16 Northrop Grumman Corporation Baseband signal carrier recovery of a suppressed carrier modulation signal
JP2003008354A (ja) * 2001-06-26 2003-01-10 Mitsubishi Electric Corp Ａｍ復調器
JP4024069B2 (ja) * 2002-04-05 2007-12-19 株式会社ルネサステクノロジ Ａｍ復調回路
CN100418366C (zh) * 2003-05-05 2008-09-10 Nxp股份有限公司 基于载波恢复的解调

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2049059C3 (de) * 1970-10-06 1978-11-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Ausregelung von Phasenfehlern beim Empfang phasengetasteter Signale
JPS4918256A (fr) * 1972-06-09 1974-02-18
LU68026A1 (fr) * 1972-07-19 1974-01-21
US3806815A (en) * 1973-03-06 1974-04-23 Nasa Decision feedback loop for tracking a polyphase modulated carrier
FR2226778B1 (fr) * 1973-04-20 1976-05-28 Lannionnais Electronique
FR2241162B1 (fr) * 1973-08-16 1976-09-17 Cit Alcatel
DE2354718C3 (de) * 1973-11-02 1981-12-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Demodulationsverfahren für phasenumgetastete Schwingungen und Schaltungsanordnung zur Durchführung des Verfahrens
US3984778A (en) * 1974-11-13 1976-10-05 Rixon Inc. Carrier recovery scheme for a SSB-SC signal
US3993956A (en) * 1975-11-03 1976-11-23 Motorola, Inc. Digital detection system for differential phase shift keyed signals
FR2368184A1 (fr) * 1976-10-18 1978-05-12 Ibm France Systeme de synchronisation de porteuse pour demodulateur de phase coherent

Also Published As

Publication number Publication date
GB2017436A (en) 1979-10-03
JPS54127266A (en) 1979-10-03
CA1129506A (fr) 1982-08-10
GB2017436B (en) 1982-04-07
US4253189A (en) 1981-02-24
LU81020A1 (fr) 1979-10-30
DE2908589A1 (de) 1979-09-20
FR2419614B1 (fr) 1983-02-04
FR2419614A1 (fr) 1979-10-05
NL7901891A (nl) 1979-09-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT

Effective date: 19940228