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FR2290085B1 - - Google Patents

Info

Publication number
FR2290085B1
FR2290085B1 FR7532074A FR7532074A FR2290085B1 FR 2290085 B1 FR2290085 B1 FR 2290085B1 FR 7532074 A FR7532074 A FR 7532074A FR 7532074 A FR7532074 A FR 7532074A FR 2290085 B1 FR2290085 B1 FR 2290085B1
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
FR7532074A
Other versions
FR2290085A1 (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.)
Textron Inc
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Publication of FR2290085A1 publication Critical patent/FR2290085A1/fr
Application granted granted Critical
Publication of FR2290085B1 publication Critical patent/FR2290085B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0991—Modifications of modulator for regulating the mean frequency using a phase locked loop including calibration means or calibration methods
    • 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
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
FR7532074A 1974-10-29 1975-10-10 Systeme de blocage de la frequence d'un oscillateur Granted FR2290085A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/518,663 US3965438A (en) 1974-10-29 1974-10-29 Frequency locking system for a voltage controlled sweep frequency oscillator

Publications (2)

Publication Number Publication Date
FR2290085A1 FR2290085A1 (fr) 1976-05-28
FR2290085B1 true FR2290085B1 (fr) 1981-09-11

Family

ID=24064935

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532074A Granted FR2290085A1 (fr) 1974-10-29 1975-10-10 Systeme de blocage de la frequence d'un oscillateur

Country Status (7)

Country Link
US (1) US3965438A (fr)
JP (1) JPS5621309B2 (fr)
CA (1) CA1035433A (fr)
DE (1) DE2547907A1 (fr)
FR (1) FR2290085A1 (fr)
GB (1) GB1485685A (fr)
NL (1) NL7510862A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105948A (en) * 1977-04-18 1978-08-08 Rca Corporation Frequency synthesizer with rapidly changeable frequency
US4130808A (en) * 1977-06-09 1978-12-19 Hewlett-Packard Company Phase lock stabilized swept frequency signal source
DE2826053C2 (de) * 1978-06-12 1982-02-18 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, 1000 Berlin Verfahren und Schaltungsanordnung zur Regelung eines frei schwingenden Oszillators
IT1123853B (it) * 1978-10-16 1986-04-30 Licentia Gmbh Disposizione di comando avente un circuito di regolazione a due fili
US4482872A (en) * 1980-12-09 1984-11-13 Marconi Instruments Limited Swept frequency oscillators having time constant-controlled signal level detector
US4593254A (en) * 1984-12-14 1986-06-03 International Business Machines Corp. VCO centering circuit
JPS61277211A (ja) * 1985-06-03 1986-12-08 Toshiba Corp 周波数変換装置
US5210539A (en) * 1986-09-30 1993-05-11 The Boeing Company Linear frequency sweep synthesizer
US4998217A (en) * 1989-05-01 1991-03-05 Motorola, Inc. Sweep generator linearization system and method
DE69924878T2 (de) * 1998-12-22 2006-03-02 Hi-Key Ltd., Tuam Empfänger und frequenzveränderbarer signalgenerator dafür

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274511A (en) * 1963-12-30 1966-09-20 Bell Telephone Labor Inc Frequency stabilized sweep frequency generator
US3364437A (en) * 1966-12-09 1968-01-16 Ltv Electrosystems Inc Precision swept oscillator
GB1142751A (en) * 1967-01-05 1969-02-12 Gen Electric Co Ltd Improvements in or relating to frequency synthesisers

Also Published As

Publication number Publication date
CA1035433A (fr) 1978-07-25
US3965438A (en) 1976-06-22
GB1485685A (en) 1977-09-14
DE2547907A1 (de) 1976-05-06
JPS5167047A (fr) 1976-06-10
FR2290085A1 (fr) 1976-05-28
JPS5621309B2 (fr) 1981-05-19
NL7510862A (nl) 1976-05-04

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Legal Events

Date Code Title Description
ST Notification of lapse