DE2641501C3 - Abstimmbarer Oszillator hoher Frequenzgenauigkeit und Konstanz - Google Patents

Abstimmbarer Oszillator hoher Frequenzgenauigkeit und Konstanz

Info

Publication number
DE2641501C3
DE2641501C3 DE2641501A DE2641501A DE2641501C3 DE 2641501 C3 DE2641501 C3 DE 2641501C3 DE 2641501 A DE2641501 A DE 2641501A DE 2641501 A DE2641501 A DE 2641501A DE 2641501 C3 DE2641501 C3 DE 2641501C3
Authority
DE
Germany
Prior art keywords
frequency
circuit
fet3
field effect
effect transistor
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
DE2641501A
Other languages
German (de)
English (en)
Other versions
DE2641501B2 (de
DE2641501A1 (de
Inventor
Günter Dipl.-Ing. 8031 Oberalting-Seefeld Wess
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DE2641501A priority Critical patent/DE2641501C3/de
Priority to US05/818,088 priority patent/US4121170A/en
Priority to GB31891/77A priority patent/GB1530882A/en
Priority to IT27313/77A priority patent/IT1084221B/it
Priority to FR7727204A priority patent/FR2365239A1/fr
Priority to IN1541/CAL/77A priority patent/IN148894B/en
Publication of DE2641501A1 publication Critical patent/DE2641501A1/de
Publication of DE2641501B2 publication Critical patent/DE2641501B2/de
Application granted granted Critical
Publication of DE2641501C3 publication Critical patent/DE2641501C3/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect 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
    • H03L7/181Indirect 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 numerical count result being used for locking the loop, the counter counting during fixed time intervals

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
DE2641501A 1976-09-15 1976-09-15 Abstimmbarer Oszillator hoher Frequenzgenauigkeit und Konstanz Expired DE2641501C3 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE2641501A DE2641501C3 (de) 1976-09-15 1976-09-15 Abstimmbarer Oszillator hoher Frequenzgenauigkeit und Konstanz
US05/818,088 US4121170A (en) 1976-09-15 1977-07-22 Tunable oscillator with high stability and accurate frequency
GB31891/77A GB1530882A (en) 1976-09-15 1977-07-29 Tunable stabilised oscillator circuits
IT27313/77A IT1084221B (it) 1976-09-15 1977-09-07 Oscillatore elettrico accordabile di alta precisione e costanza della frequenza.
FR7727204A FR2365239A1 (fr) 1976-09-15 1977-09-08 Circuit de commande de la frequence d'un oscillateur utilisant un condensateur dont la constante de temps de charge ou de decharge peut etre modifiee
IN1541/CAL/77A IN148894B (US07696358-20100413-C00002.png) 1976-09-15 1977-10-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2641501A DE2641501C3 (de) 1976-09-15 1976-09-15 Abstimmbarer Oszillator hoher Frequenzgenauigkeit und Konstanz

Publications (3)

Publication Number Publication Date
DE2641501A1 DE2641501A1 (de) 1978-03-16
DE2641501B2 DE2641501B2 (de) 1979-03-08
DE2641501C3 true DE2641501C3 (de) 1986-03-27

Family

ID=5987969

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2641501A Expired DE2641501C3 (de) 1976-09-15 1976-09-15 Abstimmbarer Oszillator hoher Frequenzgenauigkeit und Konstanz

Country Status (6)

Country Link
US (1) US4121170A (US07696358-20100413-C00002.png)
DE (1) DE2641501C3 (US07696358-20100413-C00002.png)
FR (1) FR2365239A1 (US07696358-20100413-C00002.png)
GB (1) GB1530882A (US07696358-20100413-C00002.png)
IN (1) IN148894B (US07696358-20100413-C00002.png)
IT (1) IT1084221B (US07696358-20100413-C00002.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148412A (en) * 1978-05-15 1979-11-20 Ricoh Co Ltd Reproduction system for timing information
GB2090412B (en) * 1979-11-09 1984-07-18 Krautkraemer Gmbh Ultrasonic testing
JPS5793704A (en) * 1980-12-03 1982-06-10 Alps Electric Co Ltd Fm demodulation circuit
JPS5989038A (ja) * 1982-11-12 1984-05-23 Victor Co Of Japan Ltd フエ−ズ・ロツクド・ル−プ回路
US6175280B1 (en) 1998-07-30 2001-01-16 Radio Adventures Corporation Method and apparatus for controlling and stabilizing oscillators
FR2867926B1 (fr) * 2004-03-16 2006-07-07 St Microelectronics Sa Procede et systeme de reception satellitaire

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1210803A (en) * 1967-03-08 1970-11-04 Plessey Co Ltd Improvements in or relating to oscillators
US3514713A (en) * 1968-10-18 1970-05-26 Pacific Technology Inc Variable frequency signal generator with digital automatic frequency stabilization
CH504039A (fr) * 1968-10-23 1970-11-13 Suisse Horlogerie Circuit oscillateur à quartz, à résonance parallèle, pour appareil de mesure du temps
FR2205775B1 (US07696358-20100413-C00002.png) * 1972-11-06 1980-04-30 Cit Alcatel
DE2362116C3 (de) * 1973-12-14 1980-01-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Auf einstellbare Frequenzwerte rastbarer Steuergenerator

Also Published As

Publication number Publication date
FR2365239B1 (US07696358-20100413-C00002.png) 1981-06-12
IT1084221B (it) 1985-05-25
DE2641501B2 (de) 1979-03-08
US4121170A (en) 1978-10-17
IN148894B (US07696358-20100413-C00002.png) 1981-07-11
FR2365239A1 (fr) 1978-04-14
DE2641501A1 (de) 1978-03-16
GB1530882A (en) 1978-11-01

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Legal Events

Date Code Title Description
OAM Search report available
OAP Request for examination filed
OC Search report available
OD Request for examination
8225 Change of the main classification

Ipc: H03L 7/08

8281 Inventor (new situation)

Free format text: HARTMANN, HERIBERT, ING.(GRAD.), 8011 HOHENBRUNN, DE WESS, GUENTER, DIPL.-ING., 8031 OBERALTING-SEEFELD, DE

C3 Grant after two publication steps (3rd publication)
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee