FR2148920A5 - - Google Patents

Info

Publication number
FR2148920A5
FR2148920A5 FR7129200A FR7129200A FR2148920A5 FR 2148920 A5 FR2148920 A5 FR 2148920A5 FR 7129200 A FR7129200 A FR 7129200A FR 7129200 A FR7129200 A FR 7129200A FR 2148920 A5 FR2148920 A5 FR 2148920A5
Authority
FR
France
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
Application number
FR7129200A
Other languages
French (fr)
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
Priority to FR7129200A priority Critical patent/FR2148920A5/fr
Application granted granted Critical
Publication of FR2148920A5 publication Critical patent/FR2148920A5/fr
Expired 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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • H03L7/141—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted the phase-locked loop controlling several oscillators in turn
    • 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
    • H03L7/199—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 with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation
FR7129200A 1971-08-10 1971-08-10 Expired FR2148920A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7129200A FR2148920A5 (en) 1971-08-10 1971-08-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7129200A FR2148920A5 (en) 1971-08-10 1971-08-10

Publications (1)

Publication Number Publication Date
FR2148920A5 true FR2148920A5 (en) 1973-03-23

Family

ID=9081670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7129200A Expired FR2148920A5 (en) 1971-08-10 1971-08-10

Country Status (1)

Country Link
FR (1) FR2148920A5 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045795A1 (en) * 1980-02-20 1982-02-17 Motorola Inc Synchronized frequency synthesizer with high speed lock.
EP0142826A2 (en) * 1983-11-18 1985-05-29 Siemens Aktiengesellschaft Arrangement for the stabilisation of the frequency produced by a frequency generator, in particular by a quartz generator
EP0147897A2 (en) * 1983-12-27 1985-07-10 North American Philips Corporation Phase-locked loop capable of generating a plurality of stable frequency signals
EP0206247A2 (en) * 1985-06-21 1986-12-30 Nec Corporation PLL frequency synthesizer
FR2641148A1 (en) * 1988-12-23 1990-06-29 Trt Telecom Radio Electr

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045795A1 (en) * 1980-02-20 1982-02-17 Motorola Inc Synchronized frequency synthesizer with high speed lock.
EP0045795A4 (en) * 1980-02-20 1982-07-13 Motorola Inc Synchronized frequency synthesizer with high speed lock.
EP0142826A2 (en) * 1983-11-18 1985-05-29 Siemens Aktiengesellschaft Arrangement for the stabilisation of the frequency produced by a frequency generator, in particular by a quartz generator
EP0142826A3 (en) * 1983-11-18 1986-12-17 Siemens Aktiengesellschaft Berlin Und Munchen Arrangement for the stabilisation of the frequency produced by a frequency generator, in particular by a quartz generator
EP0147897A2 (en) * 1983-12-27 1985-07-10 North American Philips Corporation Phase-locked loop capable of generating a plurality of stable frequency signals
EP0147897A3 (en) * 1983-12-27 1987-04-15 North American Philips Corporation Phase-locked loop capable of generating a plurality of stable frequency signals
EP0206247A2 (en) * 1985-06-21 1986-12-30 Nec Corporation PLL frequency synthesizer
EP0206247A3 (en) * 1985-06-21 1988-12-14 Nec Corporation Pll frequency synthesizer
FR2641148A1 (en) * 1988-12-23 1990-06-29 Trt Telecom Radio Electr
EP0379750A1 (en) * 1988-12-23 1990-08-01 Thomson-Trt Defense Apparatus for transmitting information by radio waves, comprising transceiver devices

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Legal Events

Date Code Title Description
ST Notification of lapse