FR2439512A1 - Recepteur pour systemes de transmission de donnees avec modulation d'amplitude a bande laterale unique avec porteuse attenuee - Google Patents

Recepteur pour systemes de transmission de donnees avec modulation d'amplitude a bande laterale unique avec porteuse attenuee

Info

Publication number
FR2439512A1
FR2439512A1 FR7925443A FR7925443A FR2439512A1 FR 2439512 A1 FR2439512 A1 FR 2439512A1 FR 7925443 A FR7925443 A FR 7925443A FR 7925443 A FR7925443 A FR 7925443A FR 2439512 A1 FR2439512 A1 FR 2439512A1
Authority
FR
France
Prior art keywords
signal
receiver
band
data transmission
amplitude modulation
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.)
Withdrawn
Application number
FR7925443A
Other languages
English (en)
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2439512A1 publication Critical patent/FR2439512A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/0062—Detection of the synchronisation error by features other than the received signal transition detection of error based on data decision error, e.g. Mueller type detection
    • 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)

Abstract

RECEPTEUR DU TYPE COMPRENANT UN CIRCUIT DEMODULATEUR D'AMPLITUDE DA, DES MOYENS RS POUR LA RECUPERATION DU SYNCHRONISME, DES MOYENS DE DECODAGE DS ET DES MOYENS DETECTEUR D'ERREUR DE PHASE RE. IL COMPREND EN OUTRE DES MOYENS PR APTES A PRODUIRE DES COUPLES DE TENSIONS SYMETRIQUES V, V D'AMPLITUDE PROPORTIONNELLE A LA VALEUR MAXIMALE DU SIGNAL EN BANDE BASE BB; LES MOYENS POUR LA RECUPERATION DU SYNCHRONISME RS COMPRENNENT UN COUPLE DE CIRCUITS A SEUIL APTES A COMPARER LE SIGNAL EN BANDE BASSE BB AVEC UN COUPLE DE TENSIONS SYMETRIQUES PAR RAPPORT A LA MASSE PRODUITES PAR LESDITS MOYENS PR, UN CIRCUIT ADDITIONNEUR CONNECTE AUX SORTIES DES CIRCUITS A SEUIL ET AYANT SA PROPRE SORTIE CONNECTEE A UN FILTRE PASSE-BANDE, ET UN OSCILLATEUR CONTROLE EN PHASE, PILOTE PAR LE SIGNAL AYANT LA FREQUENCE DE BIT SORTANT DU FILTRE, QUI PRODUIT LE SIGNAL D'HORLOGE DE RECEPTION 115.
FR7925443A 1978-10-18 1979-10-12 Recepteur pour systemes de transmission de donnees avec modulation d'amplitude a bande laterale unique avec porteuse attenuee Withdrawn FR2439512A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT28849/78A IT1159939B (it) 1978-10-18 1978-10-18 Ricevitore per sistemi di trasmissione dati con modulazione d'ampiezza a banda laterale unica con portante attenuata

Publications (1)

Publication Number Publication Date
FR2439512A1 true FR2439512A1 (fr) 1980-05-16

Family

ID=11224312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7925443A Withdrawn FR2439512A1 (fr) 1978-10-18 1979-10-12 Recepteur pour systemes de transmission de donnees avec modulation d'amplitude a bande laterale unique avec porteuse attenuee

Country Status (9)

Country Link
US (1) US4272845A (fr)
AR (1) AR221508A1 (fr)
AU (1) AU524779B2 (fr)
BR (1) BR7906668A (fr)
CA (1) CA1123058A (fr)
DE (1) DE2942245A1 (fr)
FR (1) FR2439512A1 (fr)
GB (1) GB2036512B (fr)
IT (1) IT1159939B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339823A (en) * 1980-08-15 1982-07-13 Motorola, Inc. Phase corrected clock signal recovery circuit
EP0080544B1 (fr) * 1981-11-30 1986-03-19 International Business Machines Corporation Procédé de réception d'un signal de données en modulation à double bande latérale-porteuses en quadrature
US4989219A (en) * 1984-03-16 1991-01-29 Gerdes Richard C Midlevel carrier modulation and demodulation techniques
US4794620A (en) * 1984-07-06 1988-12-27 International Anasazi, Inc. Radio frequency modem and method
DE3507343A1 (de) * 1985-03-01 1986-09-04 Siemens AG, 1000 Berlin und 8000 München Verfahren zur pegelregulierung von nachrichteninformationen
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
AU8103587A (en) * 1986-09-22 1988-04-07 Richard C. Gerdes Midlevel carrier modulation and demodulation techniques
US4873700A (en) * 1987-10-14 1989-10-10 National Semiconductor Corporation Auto-threshold/adaptive equalizer
JPH06124545A (ja) * 1992-08-25 1994-05-06 Sony Corp クロック信号の自動位相調整回路
US5546383A (en) * 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
WO2001043122A2 (fr) 1999-12-10 2001-06-14 Seagate Technology Llc Disque magnetique a motifs physiques de servocommandes a support magnetique, procede de fabrication et utilisation associes
EP1154604A1 (fr) * 2000-05-08 2001-11-14 Infineon Technologies AG Procédé et appareil de compensation du décalage en continu
JP4460182B2 (ja) * 2001-03-14 2010-05-12 Ｏｋｉセミコンダクタ株式会社 信号補償回路及び復調回路
ATE363781T1 (de) * 2002-12-30 2007-06-15 Alcatel Lucent Vorrichtung und verfahren zu einer augenmustermessung von einem digitalen signal
CN100418366C (zh) * 2003-05-05 2008-09-10 Nxp股份有限公司 基于载波恢复的解调

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860871A (en) * 1972-06-09 1975-01-14 Fujitsu Ltd Phase control system for demodulation carrier in carrier band multilevel signal transmission
DE2462046A1 (de) * 1974-05-14 1975-11-20 Siemens Ag Schaltungsanordnung zur regelung der taktphase bei einem datenuebertragungssystem

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860871A (en) * 1972-06-09 1975-01-14 Fujitsu Ltd Phase control system for demodulation carrier in carrier band multilevel signal transmission
DE2462046A1 (de) * 1974-05-14 1975-11-20 Siemens Ag Schaltungsanordnung zur regelung der taktphase bei einem datenuebertragungssystem

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/76 *

Also Published As

Publication number Publication date
IT7828849A0 (it) 1978-10-18
GB2036512A (en) 1980-06-25
CA1123058A (fr) 1982-05-04
BR7906668A (pt) 1980-06-17
AR221508A1 (es) 1981-02-13
AU5181479A (en) 1980-04-24
AU524779B2 (en) 1982-09-30
DE2942245A1 (de) 1980-04-30
IT1159939B (it) 1987-03-04
GB2036512B (en) 1982-11-10
US4272845A (en) 1981-06-09

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Legal Events

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