DE3867522D1 - Generator fuer mehrere referenzfrequenzen. - Google Patents

Generator fuer mehrere referenzfrequenzen.

Info

Publication number
DE3867522D1
DE3867522D1 DE8888420129T DE3867522T DE3867522D1 DE 3867522 D1 DE3867522 D1 DE 3867522D1 DE 8888420129 T DE8888420129 T DE 8888420129T DE 3867522 T DE3867522 T DE 3867522T DE 3867522 D1 DE3867522 D1 DE 3867522D1
Authority
DE
Germany
Prior art keywords
generator
multiple reference
reference frequencies
frequencies
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
DE8888420129T
Other languages
English (en)
Inventor
Patrick Douziech
Philippe Berger
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics 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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Application granted granted Critical
Publication of DE3867522D1 publication Critical patent/DE3867522D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • 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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
DE8888420129T 1987-04-24 1988-04-21 Generator fuer mehrere referenzfrequenzen. Expired - Fee Related DE3867522D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8705830A FR2614482B1 (fr) 1987-04-24 1987-04-24 Generateur de frequences de reference multiples

Publications (1)

Publication Number Publication Date
DE3867522D1 true DE3867522D1 (de) 1992-02-20

Family

ID=9350452

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888420129T Expired - Fee Related DE3867522D1 (de) 1987-04-24 1988-04-21 Generator fuer mehrere referenzfrequenzen.

Country Status (6)

Country Link
US (1) US4855688A (de)
EP (1) EP0288401B1 (de)
JP (1) JP2706088B2 (de)
KR (1) KR880013311A (de)
DE (1) DE3867522D1 (de)
FR (1) FR2614482B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03235512A (ja) * 1990-02-13 1991-10-21 Oki Electric Ind Co Ltd 電圧制御発振回路
US5883844A (en) * 1997-05-23 1999-03-16 Stmicroelectronics, Inc. Method of stress testing integrated circuit having memory and integrated circuit having stress tester for memory thereof
ATE309641T1 (de) * 2000-09-15 2005-11-15 Cit Alcatel Spannungsgesteuerter oszillator mit automatischer mittenfrequenzeinstellung
DE102006027419A1 (de) * 2006-06-13 2007-12-20 Xignal Technologies Ag Digitale Einstellung eines Oszillators
CN110798151A (zh) * 2019-10-31 2020-02-14 深圳市锦锐科技有限公司 一种宽范围单调线性可调频率时钟电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956961A (en) * 1974-10-23 1976-05-18 Peterson Richard H Phase-lock multiple tone generator system
US4105946A (en) * 1977-07-06 1978-08-08 Sansui Electric Co., Ltd. Frequency synthesizer with phase locked loop and counter
JPS5776931A (en) * 1980-10-30 1982-05-14 Denki Kogyo Kk Pll circuit
CH668151A5 (de) * 1985-03-28 1988-11-30 Sodeco Compteurs De Geneve Verfahren und einrichtung zum senden und zum empfangen von traegerfrequenten telephontaximpulsen.

Also Published As

Publication number Publication date
FR2614482B1 (fr) 1989-07-28
EP0288401A1 (de) 1988-10-26
KR880013311A (ko) 1988-11-30
JPS6429022A (en) 1989-01-31
JP2706088B2 (ja) 1998-01-28
FR2614482A1 (fr) 1988-10-28
EP0288401B1 (de) 1992-01-08
US4855688A (en) 1989-08-08

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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