BE849924A - Fasediscriminator in een ontvanger van een datatransmissiesysteem - Google Patents

Fasediscriminator in een ontvanger van een datatransmissiesysteem

Info

Publication number
BE849924A
BE849924A BE173696A BE173696A BE849924A BE 849924 A BE849924 A BE 849924A BE 173696 A BE173696 A BE 173696A BE 173696 A BE173696 A BE 173696A BE 849924 A BE849924 A BE 849924A
Authority
BE
Belgium
Prior art keywords
een
ontvanger
fasediscriminator
datatransmissiesysteem
van
Prior art date
Application number
BE173696A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE849924A publication Critical patent/BE849924A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BE173696A 1975-12-29 1976-12-28 Fasediscriminator in een ontvanger van een datatransmissiesysteem BE849924A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7539962A FR2337468A1 (fr) 1975-12-29 1975-12-29 Discriminateur de phase pour recepteur d'un systeme de transmission de donnees

Publications (1)

Publication Number Publication Date
BE849924A true BE849924A (fr) 1977-06-28

Family

ID=9164255

Family Applications (1)

Application Number Title Priority Date Filing Date
BE173696A BE849924A (fr) 1975-12-29 1976-12-28 Fasediscriminator in een ontvanger van een datatransmissiesysteem

Country Status (10)

Country Link
US (1) US4174489A (xx)
JP (1) JPS5283053A (xx)
AU (1) AU503350B2 (xx)
BE (1) BE849924A (xx)
CA (1) CA1099350A (xx)
DE (1) DE2656924C3 (xx)
FR (1) FR2337468A1 (xx)
GB (1) GB1539749A (xx)
NL (1) NL173005C (xx)
SE (1) SE414855B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2367386A1 (fr) 1976-10-06 1978-05-05 Trt Telecom Radio Electr Dispositif de resynchronisation automatique d'un recepteur pour transmission de donnees
JPS5365050A (en) * 1976-11-24 1978-06-10 Nec Corp Demodulating system for phase modulation data signal
FR2454233B1 (fr) * 1979-04-11 1986-01-24 Materiel Telephonique Demodulateur stochastique pour signaux modules en sauts de phase, fonctionnant en temps partage sur plusieurs canaux
US4247943A (en) * 1979-05-21 1981-01-27 Northrop Corporation Piecewise coherent, combined frequency and phase-shift-keyed signal demodulator
WO1984002819A1 (en) * 1983-01-12 1984-07-19 Ncr Co Circuit for reducing errors in a data receiver
US4514697A (en) * 1983-02-09 1985-04-30 Westinghouse Electric Corp. Coherent phase shift keyed demodulator with improved sampling apparatus and method
DE3421084A1 (de) * 1983-06-06 1984-12-13 Ricoh Co., Ltd., Tokio/Tokyo Symbolentscheidungsverfahren
JPH0821963B2 (ja) * 1984-11-19 1996-03-04 ソニー株式会社 周波数検出装置
JPH0338418Y2 (xx) * 1985-07-12 1991-08-14
JP3205111B2 (ja) * 1993-02-18 2001-09-04 富士通株式会社 変復調装置
FR2741221B1 (fr) * 1995-11-13 1997-12-05 Alcatel Telspace Etage de demodulation directe d'un signal module en quadrature de phase et recepteur comprenant un tel etage de demodulation
FR2780590B1 (fr) 1998-06-29 2000-10-06 Sgs Thomson Microelectronics Demodulateur qpsk a entree en frequence intermediaire
US7239431B2 (en) * 2001-04-04 2007-07-03 Agere Systems Inc. System and method for recovering primary channel operation in a facsimile receiver and facsimile machine incorporating the same
FR2849726B1 (fr) * 2003-01-06 2005-02-25 Thomson Licensing Sa Dispositif de filtrage tres selectif et procede de filtrage correspondant
US7929630B2 (en) * 2006-09-11 2011-04-19 Symbol Technologies, Inc. Adaptive RFID receiver for QAM signals
CN111487476B (zh) * 2020-05-06 2022-07-08 深圳市鼎阳科技股份有限公司 一种准峰值检波方法和准峰值检波器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1129180B (de) * 1961-03-30 1962-05-10 Telefunken Patent Empfangseinrichtung fuer Impulsuebertragung durch quantisierte Phasenmodulation eines Traegers
US3598974A (en) * 1967-09-15 1971-08-10 Sperry Rand Corp Programmable digital differential analyzer integrator

Also Published As

Publication number Publication date
GB1539749A (en) 1979-01-31
NL7614427A (nl) 1977-07-01
AU503350B2 (en) 1979-08-30
JPS5532309B2 (xx) 1980-08-23
DE2656924C3 (de) 1981-03-26
US4174489A (en) 1979-11-13
AU2091076A (en) 1978-06-29
JPS5283053A (en) 1977-07-11
SE414855B (sv) 1980-08-18
NL173005C (nl) 1983-11-16
DE2656924B2 (de) 1980-07-31
FR2337468B1 (xx) 1980-10-17
FR2337468A1 (fr) 1977-07-29
DE2656924A1 (de) 1977-07-07
SE7614542L (sv) 1977-06-30
CA1099350A (en) 1981-04-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TELECOMMUNICATIONS RADIOELECTRIQUES ET TELEPHONIQ

Effective date: 19851231