FR2685583B1 - MULTIBAND FREQUENCY SYNTHESIZER. - Google Patents

MULTIBAND FREQUENCY SYNTHESIZER.

Info

Publication number
FR2685583B1
FR2685583B1 FR9116009A FR9116009A FR2685583B1 FR 2685583 B1 FR2685583 B1 FR 2685583B1 FR 9116009 A FR9116009 A FR 9116009A FR 9116009 A FR9116009 A FR 9116009A FR 2685583 B1 FR2685583 B1 FR 2685583B1
Authority
FR
France
Prior art keywords
frequency synthesizer
multiband frequency
multiband
synthesizer
frequency
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
FR9116009A
Other languages
French (fr)
Other versions
FR2685583A1 (en
Inventor
Andre Buton
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.)
APPLIC GLES ELECTR MECA
Original Assignee
APPLIC GLES ELECTR MECA
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 APPLIC GLES ELECTR MECA filed Critical APPLIC GLES ELECTR MECA
Priority to FR9116009A priority Critical patent/FR2685583B1/en
Publication of FR2685583A1 publication Critical patent/FR2685583A1/en
Application granted granted Critical
Publication of FR2685583B1 publication Critical patent/FR2685583B1/en
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
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the 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
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the 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
    • H03L7/1077—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 phase or frequency detection means
    • 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
    • H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/04—Modifications for maintaining constant the phase-locked loop damping factor when other loop parameters change
FR9116009A 1991-12-23 1991-12-23 MULTIBAND FREQUENCY SYNTHESIZER. Expired - Fee Related FR2685583B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9116009A FR2685583B1 (en) 1991-12-23 1991-12-23 MULTIBAND FREQUENCY SYNTHESIZER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9116009A FR2685583B1 (en) 1991-12-23 1991-12-23 MULTIBAND FREQUENCY SYNTHESIZER.

Publications (2)

Publication Number Publication Date
FR2685583A1 FR2685583A1 (en) 1993-06-25
FR2685583B1 true FR2685583B1 (en) 1997-01-03

Family

ID=9420386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9116009A Expired - Fee Related FR2685583B1 (en) 1991-12-23 1991-12-23 MULTIBAND FREQUENCY SYNTHESIZER.

Country Status (1)

Country Link
FR (1) FR2685583B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10303747A (en) * 1997-04-25 1998-11-13 Matsushita Electric Ind Co Ltd Pll frequency synthesizer for plural frequency bands
DE19823103C2 (en) * 1998-05-22 2002-09-26 Ericsson Telefon Ab L M Multi-band frequency generation with a PLL circuit
EP0977301B2 (en) † 1998-07-28 2019-01-02 IPCom GmbH & Co. KG Mobile phone
JP4056145B2 (en) 1998-09-17 2008-03-05 株式会社ルネサステクノロジ PLL circuit and wireless communication terminal device using the same
US6785525B2 (en) 1999-05-21 2004-08-31 Telefonaktiebolaget L M Ericsson (Publ) Multiband frequency generation using a single PLL-circuit
GB2357645B (en) * 1999-12-22 2003-11-19 Nokia Mobile Phones Ltd Voltage controlled oscillator assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330758A (en) * 1980-02-20 1982-05-18 Motorola, Inc. Synchronized frequency synthesizer with high speed lock
US4368540A (en) * 1981-06-05 1983-01-11 Rca Corporation Phase locked loop tuning system including a prescaler conditioned to oscillate at an out-of-band frequency

Also Published As

Publication number Publication date
FR2685583A1 (en) 1993-06-25

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Legal Events

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CA Change of address
CD Change of name or company name
TP Transmission of property
TP Transmission of property
ST Notification of lapse

Effective date: 20100831