GB1404489A - Carrier reproducing circuitry - Google Patents

Carrier reproducing circuitry

Info

Publication number
GB1404489A
GB1404489A GB5573672A GB5573672A GB1404489A GB 1404489 A GB1404489 A GB 1404489A GB 5573672 A GB5573672 A GB 5573672A GB 5573672 A GB5573672 A GB 5573672A GB 1404489 A GB1404489 A GB 1404489A
Authority
GB
United Kingdom
Prior art keywords
mhz
signal
carrier
output
frequency
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
Application number
GB5573672A
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of GB1404489A publication Critical patent/GB1404489A/en
Expired legal-status Critical Current

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
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB5573672A 1971-12-01 1972-12-01 Carrier reproducing circuitry Expired GB1404489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46096995A JPS4861063A (en, 2012) 1971-12-01 1971-12-01

Publications (1)

Publication Number Publication Date
GB1404489A true GB1404489A (en) 1975-08-28

Family

ID=14179760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5573672A Expired GB1404489A (en) 1971-12-01 1972-12-01 Carrier reproducing circuitry

Country Status (7)

Country Link
US (1) US3835404A (en, 2012)
JP (1) JPS4861063A (en, 2012)
CA (1) CA1003055A (en, 2012)
FR (1) FR2164175A5 (en, 2012)
GB (1) GB1404489A (en, 2012)
IT (1) IT971380B (en, 2012)
SU (1) SU574177A3 (en, 2012)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142408A (en) * 1976-05-21 1977-11-28 Nec Corp Clock extracting device in double two phase modulation system
CA1115789A (en) * 1977-05-12 1982-01-05 Richard P. Scott Phase shift keyed systems
FR2394218A1 (fr) * 1977-06-10 1979-01-05 Ibm France Recepteur de donnees transmises par modulation binaire par saut de phase entrelacee
GB1553654A (en) * 1978-02-17 1979-09-26 Marconi Co Ltd Marconi co ltd
JPS54121613A (en) * 1978-03-14 1979-09-20 Nec Corp Demodulator for fm modulation secondary signal
JPS6031368B2 (ja) * 1978-08-23 1985-07-22 富士通株式会社 帯域炉波器
JPS55132164A (en) * 1979-03-30 1980-10-14 Nec Corp Carrier regenerating circuit for psk demodulator
NL8603110A (nl) * 1986-12-08 1988-07-01 Philips Nv Schakeling voor het terugwinnen van een draaggolf.
US5182760A (en) * 1990-12-26 1993-01-26 Atlantic Richfield Company Demodulation system for phase shift keyed modulated data transmission
JP2808954B2 (ja) * 1991-11-13 1998-10-08 国際電信電話株式会社 無変調信号検出及び周波数引き込み装置
EP0589390A1 (de) * 1992-09-25 1994-03-30 Siemens Aktiengesellschaft Empfänger für phasenumgetastete Trägersignale
US5717722A (en) * 1994-11-08 1998-02-10 Anritsu Corporation Precision symbol demodulation system for multi-carrier modulation signal
FR2727813B1 (fr) * 1994-12-02 1997-01-10 Alcatel Telspace Dispositif de detection de presence ou d'absence d'une porteuse modulee en numerique, recepteur et procede correspondants
US6002274A (en) * 1995-09-29 1999-12-14 Dallas Semiconductor Oversampled state machine for jitter tolerant pulse detection
US6707863B1 (en) 1999-05-04 2004-03-16 Northrop Grumman Corporation Baseband signal carrier recovery of a suppressed carrier modulation signal
JP4607391B2 (ja) * 2001-08-29 2011-01-05 株式会社日立国際電気 搬送波抽出回路
DE10251176A1 (de) * 2002-10-31 2004-05-13 Siemens Ag Anordnung und Verfahren für eine Trägerrückgewinnung
JP4110081B2 (ja) * 2002-12-06 2008-07-02 ザインエレクトロニクス株式会社 位相選択型周波数変調装置及び位相選択型周波数シンセサイザ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937273A (en) * 1957-10-31 1960-05-17 Gen Dynamics Corp Detectors
NL280340A (en, 2012) * 1961-06-29 1900-01-01
GB1051757A (en, 2012) * 1963-05-09
US3349329A (en) * 1963-07-30 1967-10-24 Robertshaw Controls Co Means and method of reducing jitter distortion of binary data recovered from a communication wave
US3538446A (en) * 1967-12-21 1970-11-03 Varian Associates 0-180 phase shifter employing tandem multiplication and division stages
US3564433A (en) * 1969-08-26 1971-02-16 Stewart E Miller Multiphase differential-phase-modulated pcm repeater

Also Published As

Publication number Publication date
SU574177A3 (ru) 1977-09-25
US3835404A (en) 1974-09-10
DE2258274A1 (de) 1973-06-14
JPS4861063A (en, 2012) 1973-08-27
FR2164175A5 (en, 2012) 1973-07-27
CA1003055A (en) 1977-01-04
DE2258274B2 (de) 1975-07-17
IT971380B (it) 1974-04-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee