DE69002224D1 - Mikrowellen-synthesierer mit einem teiler mit gebrochenem teilverhaeltnis. - Google Patents

Mikrowellen-synthesierer mit einem teiler mit gebrochenem teilverhaeltnis.

Info

Publication number
DE69002224D1
DE69002224D1 DE9090403602T DE69002224T DE69002224D1 DE 69002224 D1 DE69002224 D1 DE 69002224D1 DE 9090403602 T DE9090403602 T DE 9090403602T DE 69002224 T DE69002224 T DE 69002224T DE 69002224 D1 DE69002224 D1 DE 69002224D1
Authority
DE
Germany
Prior art keywords
divider
microwave synthesizer
broken partial
partial ratio
ratio
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
DE9090403602T
Other languages
English (en)
Other versions
DE69002224T2 (de
Inventor
Jacques Molina
Andre Roullet
Rosa Jean-Pierre La
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE69002224D1 publication Critical patent/DE69002224D1/de
Publication of DE69002224T2 publication Critical patent/DE69002224T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
    • H03L7/0895—Details of the current generators
    • H03L7/0896—Details of the current generators the current generators being controlled by differential up-down pulses
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
    • 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
DE90403602T 1989-12-22 1990-12-14 Mikrowellen-Synthesierer mit einem Teiler mit gebrochenem Teilverhältnis. Expired - Fee Related DE69002224T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8917080A FR2656480B1 (fr) 1989-12-22 1989-12-22 Synthetiseur hyperfrequence a division fractionnaire.

Publications (2)

Publication Number Publication Date
DE69002224D1 true DE69002224D1 (de) 1993-08-19
DE69002224T2 DE69002224T2 (de) 1993-10-28

Family

ID=9388884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90403602T Expired - Fee Related DE69002224T2 (de) 1989-12-22 1990-12-14 Mikrowellen-Synthesierer mit einem Teiler mit gebrochenem Teilverhältnis.

Country Status (5)

Country Link
US (1) US5122762A (de)
EP (1) EP0434527B1 (de)
CA (1) CA2032419A1 (de)
DE (1) DE69002224T2 (de)
FR (1) FR2656480B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495505A (en) * 1990-12-20 1996-02-27 Motorola, Inc. Increased frequency resolution in a synthesizer
FR2728410B1 (fr) * 1994-12-16 1997-01-24 Thomson Csf Dispositif de synthese de frequence pour recepteur v/uhf large bande
JP3327028B2 (ja) * 1995-02-14 2002-09-24 松下電器産業株式会社 周波数シンセサイザ
US5684795A (en) * 1996-01-30 1997-11-04 Motorola, Inc. Method and apparatus for controlling a fractional-N synthesizer in a time division multiple access system
US5771182A (en) * 1996-05-31 1998-06-23 Motorola, Inc. Bit-serial digital compressor
JP3679503B2 (ja) * 1996-06-11 2005-08-03 松下電器産業株式会社 周波数シンセサイザ
US5870002A (en) * 1997-06-23 1999-02-09 Exar Corporation Phase-frequency lock detector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034309A (en) * 1975-12-23 1977-07-05 International Business Machines Corporation Apparatus and method for phase synchronization
FR2426358A1 (fr) * 1978-05-17 1979-12-14 Trt Telecom Radio Electr Synthetiseur de frequence a division directe a pas apres virgule
FR2557401B1 (fr) * 1983-12-27 1986-01-24 Thomson Csf Synthetiseur de frequences a division fractionnaire, a faible gigue de phase et utilisation de ce synthetiseur
US4965531A (en) * 1989-11-22 1990-10-23 Carleton University Frequency synthesizers having dividing ratio controlled by sigma-delta modulator

Also Published As

Publication number Publication date
CA2032419A1 (fr) 1991-06-23
DE69002224T2 (de) 1993-10-28
FR2656480B1 (fr) 1994-04-15
EP0434527A1 (de) 1991-06-26
US5122762A (en) 1992-06-16
EP0434527B1 (de) 1993-07-14
FR2656480A1 (fr) 1991-06-28

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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