KR900008437B1 - 전송데이터 복조회로 - Google Patents

전송데이터 복조회로 Download PDF

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Publication number
KR900008437B1
KR900008437B1 KR1019850003945A KR850003945A KR900008437B1 KR 900008437 B1 KR900008437 B1 KR 900008437B1 KR 1019850003945 A KR1019850003945 A KR 1019850003945A KR 850003945 A KR850003945 A KR 850003945A KR 900008437 B1 KR900008437 B1 KR 900008437B1
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KR
South Korea
Prior art keywords
frequency
carrier
data
circuit
signal
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
KR1019850003945A
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English (en)
Korean (ko)
Other versions
KR860001640A (ko
Inventor
세이지 다께우찌
Original Assignee
가부시끼가이샤 도오시바
사바 쇼오이찌
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 가부시끼가이샤 도오시바, 사바 쇼오이찌 filed Critical 가부시끼가이샤 도오시바
Publication of KR860001640A publication Critical patent/KR860001640A/ko
Application granted granted Critical
Publication of KR900008437B1 publication Critical patent/KR900008437B1/ko
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses
    • 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
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
KR1019850003945A 1984-07-10 1985-06-05 전송데이터 복조회로 Expired KR900008437B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59141472A JPS6121660A (ja) 1984-07-10 1984-07-10 搬送波再生回路
JP59-141472 1984-07-10

Publications (2)

Publication Number Publication Date
KR860001640A KR860001640A (ko) 1986-03-20
KR900008437B1 true KR900008437B1 (ko) 1990-11-20

Family

ID=15292678

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850003945A Expired KR900008437B1 (ko) 1984-07-10 1985-06-05 전송데이터 복조회로

Country Status (6)

Country Link
US (1) US4639682A (enExample)
JP (1) JPS6121660A (enExample)
KR (1) KR900008437B1 (enExample)
CA (1) CA1235755A (enExample)
DE (1) DE3524145A1 (enExample)
GB (1) GB2161678B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712221A (en) * 1986-08-29 1987-12-08 International Business Machines Corporation Carrier recovery of modulated signals
GB2202715B (en) * 1987-03-24 1991-03-20 Dr Frank Robert Connor Minimum relative shift keying
US4811424A (en) * 1987-04-24 1989-03-07 Bell Communications Research, Inc. Rapid phase correcting carrier recovery circuit
US4953186A (en) * 1988-02-19 1990-08-28 Silicon Systems, Inc. Phase jitter tracker
US5003621A (en) * 1989-11-02 1991-03-26 Motorola, Inc. Direct conversion FM receiver
DE4102800A1 (de) * 1991-01-31 1992-08-06 Thomson Brandt Gmbh Phasenregelkreis mit nachlaufsynchronisation
DE19513080C1 (de) * 1995-04-07 1996-11-14 Bosch Gmbh Robert Demodulator für orthogonal modulierte Trägersignale
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation
DE19517405A1 (de) * 1995-05-16 1996-11-21 Thomson Brandt Gmbh Signalverarbeitungssystem für digitale Signale
GB2303278B (en) * 1995-07-11 2000-04-26 Remo Giovanni Andrea Marzolini Improvements to demodulation systems
JP3556047B2 (ja) * 1996-05-22 2004-08-18 三菱電機株式会社 ディジタル放送受信機
US5949472A (en) * 1996-12-10 1999-09-07 Intel Corporation Method and apparatus for tuning channels for CATV and television applications
KR100743444B1 (ko) * 1999-12-01 2007-07-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 디지털 신호를 위한 수신기를 튜닝하는 방법, 및 수신기
CA2704035C (en) * 2001-03-30 2013-01-08 M&Fc Holding, Llc Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
US6687294B2 (en) * 2001-04-27 2004-02-03 Koninklijke Philips Electronics N.V. Distortion quantizer model for video encoding
JP2005004451A (ja) * 2003-06-11 2005-01-06 Nec Electronics Corp スペクトラム拡散クロック発生装置
JP2005354256A (ja) * 2004-06-09 2005-12-22 Fujitsu Ltd クロックジェネレータ、およびその制御方法
JP4562647B2 (ja) * 2005-11-30 2010-10-13 アイコム株式会社 クロック信号発生装置、クロック信号発生方法及びプログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845412A (en) * 1973-10-12 1974-10-29 Microwave Ass Inc Digital modulate/demodulate system
JPS5435908B2 (enExample) * 1974-08-29 1979-11-06
IT1119567B (it) * 1979-11-08 1986-03-10 Cselt Centro Studi Lab Telecom Equalizzatore numerico adattativo per ricevitori di segnali dati utilizzanti una modulazione differenziale di fase
US4525676A (en) * 1981-02-24 1985-06-25 Nippon Electric Co., Ltd. PSK Demodulation system having carrier frequency variation compensation
DE3272570D1 (en) * 1981-08-10 1986-09-18 Fujitsu Ltd Carrier recovery circuit

Also Published As

Publication number Publication date
CA1235755A (en) 1988-04-26
KR860001640A (ko) 1986-03-20
GB2161678B (en) 1988-06-29
US4639682A (en) 1987-01-27
GB8517075D0 (en) 1985-08-14
GB2161678A (en) 1986-01-15
DE3524145A1 (de) 1986-01-23
DE3524145C2 (enExample) 1987-08-06
JPS6121660A (ja) 1986-01-30

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