AR226820A1 - Demodulador digital para senales digitales - Google Patents

Demodulador digital para senales digitales

Info

Publication number
AR226820A1
AR226820A1 AR277488A AR27748879A AR226820A1 AR 226820 A1 AR226820 A1 AR 226820A1 AR 277488 A AR277488 A AR 277488A AR 27748879 A AR27748879 A AR 27748879A AR 226820 A1 AR226820 A1 AR 226820A1
Authority
AR
Argentina
Prior art keywords
digital
demodulator
signals
digital signals
digital demodulator
Prior art date
Application number
AR277488A
Other languages
English (en)
Spanish (es)
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of AR226820A1 publication Critical patent/AR226820A1/es

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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
    • H04L27/2337—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal using digital techniques to measure the time between zero-crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AR277488A 1978-08-17 1979-07-26 Demodulador digital para senales digitales AR226820A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/934,299 US4190802A (en) 1978-08-17 1978-08-17 Digital demodulator for phase shift keyed signals

Publications (1)

Publication Number Publication Date
AR226820A1 true AR226820A1 (es) 1982-08-31

Family

ID=25465323

Family Applications (1)

Application Number Title Priority Date Filing Date
AR277488A AR226820A1 (es) 1978-08-17 1979-07-26 Demodulador digital para senales digitales

Country Status (11)

Country Link
US (1) US4190802A (fr)
EP (1) EP0008491B1 (fr)
JP (1) JPS5527799A (fr)
AR (1) AR226820A1 (fr)
AU (1) AU522842B2 (fr)
BR (1) BR7905274A (fr)
CA (1) CA1120559A (fr)
DE (1) DE2963403D1 (fr)
IL (1) IL57725A (fr)
MX (1) MX148812A (fr)
ZA (1) ZA793274B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311964A (en) * 1979-09-21 1982-01-19 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems
US4485347A (en) * 1980-09-04 1984-11-27 Mitsubishi Denki Kabushiki Kaisha Digital FSK demodulator
US4457005A (en) * 1981-12-07 1984-06-26 Motorola, Inc. Digital coherent PSK demodulator and detector
US4516079A (en) * 1983-02-09 1985-05-07 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems
US4514697A (en) * 1983-02-09 1985-04-30 Westinghouse Electric Corp. Coherent phase shift keyed demodulator with improved sampling apparatus and method
US4555667A (en) * 1983-09-26 1985-11-26 Rixon, Inc. Synchronous digital QPSK demodulator with carrier error correction
US4653072A (en) * 1984-06-28 1987-03-24 Westinghouse Electric Corp. Low error rate digital demodulator
US4644561A (en) * 1985-03-20 1987-02-17 International Mobile Machines Corp. Modem for RF subscriber telephone system
JPS6231238A (ja) * 1985-08-02 1987-02-10 Canon Inc 復調装置
US4779054A (en) * 1987-08-17 1988-10-18 General Electric Company Digital inphase/quadrature product detector
JPH04172040A (ja) * 1990-11-05 1992-06-19 Matsushita Electric Ind Co Ltd 周波数オフセット補正付遅延検波回路
KR960014411B1 (ko) * 1991-12-13 1996-10-15 모토로라 인코포레이티드 직접 위상 계수화 장치 및 방법
JP2837982B2 (ja) * 1991-12-27 1998-12-16 三菱電機株式会社 遅延検波復調装置
NO925012L (no) * 1991-12-27 1993-06-28 Mitsubishi Electric Corp Demodulator med forsinket deteksjon
CA2132442C (fr) * 1993-01-22 1999-02-23 Seizo Nakamura Circuit de detection de la phase instantanee et circuit de generation de signaux de restitution de signaux d'horloge incorpores a un demodulateur differentiel
US5436589A (en) * 1994-01-31 1995-07-25 Motorola, Inc. Demodulator for frequency shift keyed signals
US5966416A (en) * 1996-11-21 1999-10-12 Dsp Group, Inc. Verification of PN synchronization in a spread-spectrum communications receiver
US20040161245A1 (en) * 1996-12-20 2004-08-19 Bergano Neal S. Synchronous amplitude modulation for improved performance of optical transmission systems
US6556326B2 (en) * 1996-12-20 2003-04-29 Tyco Telecommunications (Us) Inc. Synchronous amplitude modulation for improved performance of optical transmission systems
US11271566B2 (en) * 2018-12-14 2022-03-08 Integrated Device Technology, Inc. Digital logic compatible inputs in compound semiconductor circuits
US11221980B2 (en) * 2019-10-31 2022-01-11 Sigmasense, Llc. Low voltage drive circuit operable to convey data via a bus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368036A (en) * 1965-05-24 1968-02-06 Collins Radio Co Demultiplexing and detecting system for predicted wave phasepulsed data transmissionsystem
DE1766622B1 (de) * 1967-07-07 1971-10-21 Fujitsu Ltd Frequenzvielfachempfaenger fuer differential phasenmodulierte signale
US3493884A (en) * 1968-06-03 1970-02-03 Us Army Phase shift system incorporating an integrator
US3590381A (en) * 1969-03-17 1971-06-29 Int Communications Corp Digital differential angle demodulator
US3586776A (en) * 1969-04-16 1971-06-22 Motorola Inc Digital communication synchronization system including synchronization signal termination recognition means
FR2225881B1 (fr) * 1973-04-16 1976-04-23 Lannionnais Electronique
DE2354718C3 (de) * 1973-11-02 1981-12-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Demodulationsverfahren für phasenumgetastete Schwingungen und Schaltungsanordnung zur Durchführung des Verfahrens
US3943448A (en) * 1974-09-11 1976-03-09 Hycom Incorporated Apparatus and method for synchronizing a digital modem using a random multilevel data signal
US3980824A (en) * 1974-10-29 1976-09-14 Motorola, Inc. Modulator demodulator for binary digitally encoded messages
US3997847A (en) * 1975-10-29 1976-12-14 Bell Telephone Laboratories, Incorporated Digital demodulator for differentially encoded phase-shift-keyed data
US3993956A (en) * 1975-11-03 1976-11-23 Motorola, Inc. Digital detection system for differential phase shift keyed signals
US4105975A (en) * 1977-02-01 1978-08-08 Ncr Corporation Offset correction circuit for phase detectors
DE2838228B2 (de) * 1977-09-06 1981-03-26 Motorola, Inc., Schaumburg, Ill. Verfahren zum Synchronisieren einer Datenbitfolge

Also Published As

Publication number Publication date
EP0008491A1 (fr) 1980-03-05
US4190802A (en) 1980-02-26
DE2963403D1 (en) 1982-09-16
AU4918779A (en) 1980-02-21
AU522842B2 (en) 1982-07-01
IL57725A0 (en) 1979-11-30
JPS5527799A (en) 1980-02-28
IL57725A (en) 1982-04-30
ZA793274B (en) 1980-07-30
CA1120559A (fr) 1982-03-23
BR7905274A (pt) 1980-05-06
MX148812A (es) 1983-06-22
EP0008491B1 (fr) 1982-07-28

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