DE3143783A1 - Traeger-demodulator mit schneller akquisition - Google Patents

Traeger-demodulator mit schneller akquisition

Info

Publication number
DE3143783A1
DE3143783A1 DE19813143783 DE3143783A DE3143783A1 DE 3143783 A1 DE3143783 A1 DE 3143783A1 DE 19813143783 DE19813143783 DE 19813143783 DE 3143783 A DE3143783 A DE 3143783A DE 3143783 A1 DE3143783 A1 DE 3143783A1
Authority
DE
Germany
Prior art keywords
phase
signals
signal
phase error
carrier
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Withdrawn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
DE19813143783
Other languages
German (de)
English (en)
Inventor
Carl R. 85234 Gilbert Ariz. Ryan
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.)
Motorola Solutions Inc
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
Publication of DE3143783A1 publication Critical patent/DE3143783A1/de
Withdrawn legal-status Critical Current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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE19813143783 1980-11-07 1981-11-04 Traeger-demodulator mit schneller akquisition Withdrawn DE3143783A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/204,743 US4359692A (en) 1980-11-07 1980-11-07 Rapid acquisition shift keyed signal demodulator

Publications (1)

Publication Number Publication Date
DE3143783A1 true DE3143783A1 (de) 1982-08-12

Family

ID=22759248

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813143783 Withdrawn DE3143783A1 (de) 1980-11-07 1981-11-04 Traeger-demodulator mit schneller akquisition

Country Status (4)

Country Link
US (1) US4359692A (enExample)
JP (1) JPS57109448A (enExample)
DE (1) DE3143783A1 (enExample)
FR (1) FR2494059A1 (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439737A (en) * 1982-04-21 1984-03-27 Rca Corporation Phase locked loop, as for MPSK signal detector
NL8301179A (nl) * 1983-04-01 1984-11-01 Philips Nv Ontvanger voor hf-signalen voorzien van een paar parallelle signaalwegen.
US4531224A (en) * 1983-06-23 1985-07-23 Motorola, Inc. Low signal-to-noise ratio symbol synchronizer
GB2148669A (en) * 1983-10-21 1985-05-30 Philips Electronic Associated Data receiver
JPS60154758A (ja) * 1984-01-25 1985-08-14 Alps Electric Co Ltd Ｐｓｋ復調装置
US4601048A (en) * 1984-04-02 1986-07-15 Ryan Carl R Serial minimum shift-keyed modem
US4656646A (en) * 1984-06-11 1987-04-07 Motorola, Inc. Serial minimum shift-keyed modem
US4581586A (en) * 1984-08-17 1986-04-08 Ford Aerospace & Communications Corporation Crosstalk reduction in unbalanced QPSK detectors
US4816775A (en) * 1987-10-08 1989-03-28 Motorola, Inc. Negative feedback, phase rotation, phase acquisition and tracking apparatus and method
GB2213662A (en) * 1987-12-11 1989-08-16 Philips Electronic Associated Data demodulator carrier phase-error detector
GB2213684A (en) * 1987-12-11 1989-08-16 Philips Electronic Associated Data demodulator baud clock phase locking
US4833416A (en) * 1988-03-30 1989-05-23 Motorola, Inc. QPSK/BPSK demodulator
EP0434689B1 (en) * 1988-06-06 1995-08-16 Motorola, Inc. Synchronous receiver for minimum shift keying transmission
US4942592A (en) * 1988-06-06 1990-07-17 Motorola, Inc. Synchronous receiver for minimum shift keying transmission
US5084903A (en) * 1989-02-28 1992-01-28 First Pacific Networks Modulation and demodulation system employing AM-PSK and QPSK communication system using digital signals
US4947408A (en) * 1989-05-12 1990-08-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Digital carrier demodulator employing components working beyond normal limits
US5327122A (en) * 1989-09-04 1994-07-05 Massimo Casalegno Installation for data transmission with correction of phase error
DE59004112D1 (de) * 1989-09-04 1994-02-17 Datamars Sa Datenübermittlungsanlage.
GB8928693D0 (en) * 1989-12-20 1990-02-28 Cryptag Limited Transmission system
JP2579243B2 (ja) * 1990-11-07 1997-02-05 シャープ株式会社 復調装置
US5121057A (en) * 1990-12-21 1992-06-09 Maxtor Corporation Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals
US5448594A (en) * 1993-01-21 1995-09-05 Industrial Technology Research Institute One bit differential detector with frequency offset compensation
US5583890A (en) * 1994-09-19 1996-12-10 Motorola, Inc. Error correction of MSK signals dependent on sample quality
FR2745138B1 (fr) * 1996-02-16 1998-05-07 Thomson Multimedia Sa Dispositif de correction de bruit de phase dans un recepteur numerique
US6160858A (en) * 1997-08-04 2000-12-12 Starlink, Inc. MSK signal processing in a GPS correlator channel
US7421053B1 (en) * 2002-04-26 2008-09-02 Yt Networks Capital, Llc Fast clock acquisition enable method using phase stir injection to PLL for burst mode optical receivers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189826A (en) * 1960-05-09 1965-06-15 Gen Electric Method and apparatus for demodulating multi-phase modulated signals
US3588720A (en) * 1969-03-05 1971-06-28 Us Navy Linear phase demodulator
US3568067A (en) * 1969-06-13 1971-03-02 Collins Radio Co Frequency discriminator with output indicative of difference between input and local reference signals
JPS5220753A (en) * 1975-06-11 1977-02-16 Motorola Inc Quadrature phase shift keying demodulator

Also Published As

Publication number Publication date
FR2494059B3 (enExample) 1983-09-09
JPS57109448A (en) 1982-07-07
US4359692A (en) 1982-11-16
FR2494059A1 (fr) 1982-05-14

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee