DE69220981D1 - Demodulator mit Phasenregelschleife - Google Patents

Demodulator mit Phasenregelschleife

Info

Publication number
DE69220981D1
DE69220981D1 DE69220981T DE69220981T DE69220981D1 DE 69220981 D1 DE69220981 D1 DE 69220981D1 DE 69220981 T DE69220981 T DE 69220981T DE 69220981 T DE69220981 T DE 69220981T DE 69220981 D1 DE69220981 D1 DE 69220981D1
Authority
DE
Germany
Prior art keywords
phase
locked loop
loop demodulator
demodulator
locked
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 - Fee Related
Application number
DE69220981T
Other languages
English (en)
Other versions
DE69220981T2 (de
Inventor
Emile Tonello
Christian Herbere
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.)
Alcatel Espace Industries SA
Original Assignee
Alcatel Espace Industries SA
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 Alcatel Espace Industries SA filed Critical Alcatel Espace Industries SA
Publication of DE69220981D1 publication Critical patent/DE69220981D1/de
Application granted granted Critical
Publication of DE69220981T2 publication Critical patent/DE69220981T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0078—Functional aspects of oscillators generating or using signals in quadrature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69220981T 1991-03-08 1992-03-02 Demodulator mit Phasenregelschleife Expired - Fee Related DE69220981T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9102817A FR2673789B1 (fr) 1991-03-08 1991-03-08 Demodulateur a boucle de phase.

Publications (2)

Publication Number Publication Date
DE69220981D1 true DE69220981D1 (de) 1997-09-04
DE69220981T2 DE69220981T2 (de) 1997-11-27

Family

ID=9410516

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220981T Expired - Fee Related DE69220981T2 (de) 1991-03-08 1992-03-02 Demodulator mit Phasenregelschleife

Country Status (6)

Country Link
US (1) US5204634A (de)
EP (1) EP0503416B1 (de)
JP (1) JPH04337909A (de)
CA (1) CA2062342A1 (de)
DE (1) DE69220981T2 (de)
FR (1) FR2673789B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9320067D0 (en) * 1993-09-29 1993-11-17 Sgs Thomson Microelectronics Demodulation of fm audio carrier
JPH07273556A (ja) * 1994-04-01 1995-10-20 Nec Corp Ｆｍ復調器
JPH09219662A (ja) * 1996-02-13 1997-08-19 Mitsubishi Electric Corp デュアルモード復調方法及び回路
FI102227B (fi) * 1996-10-09 1998-10-30 Nokia Mobile Phones Ltd Piirijärjestely erivaiheisten signaalien muodostamiseksi
DE602004007755T2 (de) * 2004-01-13 2008-04-30 Harman Becker Automotive Systems Gmbh Funkempfänger mit adaptivem Frequenzregulator
JP2006197564A (ja) * 2004-12-16 2006-07-27 Seiko Epson Corp 信号選択回路およびリアルタイムクロック装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1307888A (en) * 1969-05-23 1973-02-21 Telettra Lab Telefon Amplifying and repeating circuit for angle modulated signals
US3983501A (en) * 1975-09-29 1976-09-28 The United States Of America As Represented By The Secretary Of The Navy Hybrid tracking loop for detecting phase shift keyed signals
JPS5669934A (en) * 1979-11-12 1981-06-11 Pioneer Electronic Corp Leading-in sweep device of pll circuit
JPS58186010A (ja) * 1982-04-23 1983-10-29 Kawasaki Steel Corp 合成樹脂被覆膜厚測定装置
JPH0681065B2 (ja) * 1984-06-25 1994-10-12 ソニー株式会社 Ｆｍ受信機
US4575684A (en) * 1985-02-22 1986-03-11 Honeywell Inc. Differential phase shift keying receiver
US4937536A (en) * 1988-08-19 1990-06-26 Hughes Aircraft Company Fast settling phase lock loop
FR2656179B1 (fr) * 1989-12-15 1994-04-01 Alcatel Espace Demodulateur a boucle de phase.

Also Published As

Publication number Publication date
FR2673789A1 (fr) 1992-09-11
CA2062342A1 (fr) 1992-09-09
US5204634A (en) 1993-04-20
FR2673789B1 (fr) 1993-09-03
JPH04337909A (ja) 1992-11-25
EP0503416B1 (de) 1997-07-23
DE69220981T2 (de) 1997-11-27
EP0503416A1 (de) 1992-09-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee