GB1588751A - Method of stabilizing mean-frequency and modulation slope of a phasekeyed oscillator - Google Patents

Method of stabilizing mean-frequency and modulation slope of a phasekeyed oscillator Download PDF

Info

Publication number
GB1588751A
GB1588751A GB40062/77A GB4006277A GB1588751A GB 1588751 A GB1588751 A GB 1588751A GB 40062/77 A GB40062/77 A GB 40062/77A GB 4006277 A GB4006277 A GB 4006277A GB 1588751 A GB1588751 A GB 1588751A
Authority
GB
United Kingdom
Prior art keywords
signal
frequency
accordance
regulating
phase
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
Application number
GB40062/77A
Other languages
English (en)
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Publication of GB1588751A publication Critical patent/GB1588751A/en
Expired 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
    • H03C3/0958—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation by varying the characteristics of the voltage controlled oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB40062/77A 1976-09-28 1977-09-26 Method of stabilizing mean-frequency and modulation slope of a phasekeyed oscillator Expired GB1588751A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1223076A CH600706A5 (US08118993-20120221-C00002.png) 1976-09-28 1976-09-28
US06/054,920 US4282497A (en) 1976-09-28 1979-07-05 Frequency modulator having linearized operation

Publications (1)

Publication Number Publication Date
GB1588751A true GB1588751A (en) 1981-04-29

Family

ID=25709887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40062/77A Expired GB1588751A (en) 1976-09-28 1977-09-26 Method of stabilizing mean-frequency and modulation slope of a phasekeyed oscillator

Country Status (7)

Country Link
US (2) US4125817A (US08118993-20120221-C00002.png)
JP (1) JPS5342545A (US08118993-20120221-C00002.png)
CH (1) CH600706A5 (US08118993-20120221-C00002.png)
DE (1) DE2647286C2 (US08118993-20120221-C00002.png)
FR (1) FR2365919A1 (US08118993-20120221-C00002.png)
GB (1) GB1588751A (US08118993-20120221-C00002.png)
NL (1) NL7710466A (US08118993-20120221-C00002.png)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH600706A5 (US08118993-20120221-C00002.png) * 1976-09-28 1978-06-30 Patelhold Patentverwertung
FR2394921A1 (fr) * 1977-06-13 1979-01-12 Poitevin Jean Pierre Modulateur a quatre phases a sauts decales
GB2031676B (en) * 1978-09-02 1983-05-11 Marconi Instruments Ltd Frequency modulation systems
NL7905255A (nl) * 1979-07-05 1981-01-07 Plessey Handel Investment Ag Frequentiemodulator.
FR2462056A1 (fr) * 1979-07-16 1981-02-06 Plessey Overseas Modulateur de frequence perfectionne
US4468638A (en) * 1982-02-11 1984-08-28 The Bendix Corporation Linear sweep frequency modulator for FM/CW radio altimeter
FR2537805B1 (fr) * 1982-12-14 1986-01-24 Thomson Csf Dispositif de linearisation automatique de la caracteristique frequence-signal de commande, d'un oscillateur a frequence variable module en frequence
FR2554656B1 (fr) * 1983-11-04 1986-06-27 Lgt Lab Gen Telecomm Emetteur a modulation de frequence applicable a la radiodiffusion fm
US4573026A (en) * 1984-02-29 1986-02-25 Hewlett-Packard Company FM Modulator phase-locked loop with FM calibration
US4870699A (en) * 1986-03-26 1989-09-26 General Electric Company Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device
US4905305A (en) * 1986-03-26 1990-02-27 General Electric Company Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device
GB2313504B (en) * 1996-05-23 2000-09-06 Motorola Gmbh Transmitter circuit and method of operation
US5952895A (en) * 1998-02-23 1999-09-14 Tropian, Inc. Direct digital synthesis of precise, stable angle modulated RF signal
GB2351404B (en) * 1999-06-24 2003-11-12 Nokia Mobile Phones Ltd A transmitter and a modulator therefor
DE60137833D1 (de) * 2001-04-09 2009-04-16 Texas Instruments Inc Frequenzmodulator unter Verwendung eines Phasenregelkreises
US7557671B2 (en) * 2007-02-08 2009-07-07 Panasonic Corporation Real time VCO gain non linearity calibration
RU177176U1 (ru) * 2017-11-14 2018-02-12 Акционерное общество "Научно-исследовательский институт Приборостроения имени В.В. Тихомирова" Многоканальный формирователь сигналов гетеродина
RU203809U1 (ru) * 2020-10-20 2021-04-21 Акционерное общество "Научно-исследовательский институт Приборостроения имени В.В. Тихомирова" Приемопередающее устройство свч - сигналов

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833917A (en) * 1957-01-16 1958-05-06 Collins Radio Co Locking-oscillator phase-pulse generator
US3512108A (en) * 1965-01-13 1970-05-12 Westinghouse Electric Corp Apparatus and method for the precise measurement and generation of phase modulated or frequency modulated waveforms
US3392347A (en) * 1965-09-07 1968-07-09 Cubic Corp Method for stabilizing center frequency of voltage control oscillator
US3659060A (en) * 1970-04-08 1972-04-25 Allan L Wolff System for measuring frequency deviation
IT974668B (it) * 1972-11-10 1974-07-10 Italiana Telecomunica Zioni Si Dispositivo per stabilizzare la frequenza di un oscillatore libero vincolandola a quella di un oscillatore di riferimento
CH600706A5 (US08118993-20120221-C00002.png) * 1976-09-28 1978-06-30 Patelhold Patentverwertung
US4117422A (en) * 1977-12-27 1978-09-26 Motorola, Inc. Circuit for compensating vco nonlinearities in frequency modulated phase-locked loops and method thereof

Also Published As

Publication number Publication date
US4125817A (en) 1978-11-14
NL7710466A (nl) 1978-03-30
FR2365919B1 (US08118993-20120221-C00002.png) 1984-06-29
FR2365919A1 (fr) 1978-04-21
US4282497A (en) 1981-08-04
DE2647286C2 (de) 1986-03-06
CH600706A5 (US08118993-20120221-C00002.png) 1978-06-30
DE2647286A1 (de) 1978-03-30
JPS5342545A (en) 1978-04-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930926