DE2966534D1 - Automatic tuning apparatus for a resonator and its application within a synthesizer - Google Patents

Automatic tuning apparatus for a resonator and its application within a synthesizer

Info

Publication number
DE2966534D1
DE2966534D1 DE7979400939T DE2966534T DE2966534D1 DE 2966534 D1 DE2966534 D1 DE 2966534D1 DE 7979400939 T DE7979400939 T DE 7979400939T DE 2966534 T DE2966534 T DE 2966534T DE 2966534 D1 DE2966534 D1 DE 2966534D1
Authority
DE
Germany
Prior art keywords
synthesizer
resonator
application
automatic tuning
tuning apparatus
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
DE7979400939T
Other languages
English (en)
Inventor
Alain Parniere
Jean-Marie Hautbout
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
Application granted granted Critical
Publication of DE2966534D1 publication Critical patent/DE2966534D1/de
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
    • H03L7/16—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
    • H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/187—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 fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • 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
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE7979400939T 1978-12-15 1979-11-30 Automatic tuning apparatus for a resonator and its application within a synthesizer Expired DE2966534D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7835386A FR2444368A1 (fr) 1978-12-15 1978-12-15 Dispositif d'accord automatique d'un resonateur et synthetiseur utilisant un tel dispositif

Publications (1)

Publication Number Publication Date
DE2966534D1 true DE2966534D1 (en) 1984-02-16

Family

ID=9216191

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979400939T Expired DE2966534D1 (en) 1978-12-15 1979-11-30 Automatic tuning apparatus for a resonator and its application within a synthesizer

Country Status (3)

Country Link
EP (1) EP0012656B1 (de)
DE (1) DE2966534D1 (de)
FR (1) FR2444368A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511563B1 (fr) * 1981-08-14 1986-05-16 Trt Telecom Radio Electr Dispositif de verrouillage de phase pour fournir a sa sortie des signaux dont la frequence peut varier sur une large gamme
US4726071A (en) * 1984-12-31 1988-02-16 Orion Industries, Inc. Microprocessor controlled self-tuning resonant cavity and method
ATE140568T1 (de) * 1988-12-02 1996-08-15 Allgon Ab Verfahren und anordnung, die sich auf ein elektromechanisch gesteuertes resonanzmodul beziehen
US5739731A (en) * 1994-01-18 1998-04-14 Allen Telecom Group, Inc. Self-tuning resonant cavity filter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE737075C (de) * 1941-03-25 1943-07-05 Telefunken Gmbh Einrichtung zur selbsttaetigen Scharfabstimmung eines Hochfrequenzgeraetes mittels eines Motors
DE861875C (de) * 1942-10-13 1953-01-05 Telefunken Gmbh Einrichtung zur selbsttaetigen Scharfabstimmung mittels eines Motors
FR1461814A (fr) * 1965-12-13 1966-02-25 Philips Nv Dispositif de réglage à moteur électrique
GB1142751A (en) * 1967-01-05 1969-02-12 Gen Electric Co Ltd Improvements in or relating to frequency synthesisers
SE384956B (sv) * 1975-06-17 1976-05-24 Ericsson Telefon Ab L M Anordning for frekvensreglering av en oscillatorkrets
FR2382133A1 (fr) * 1977-02-25 1978-09-22 Thomson Csf Dispositif d'accord d'un resonateur et synthetiseur utilisant un tel dispositif
FR2397096A1 (fr) * 1977-07-08 1979-02-02 Thomson Csf Dispositif de commande monobouton de la frequence d'un oscillateur a haute stabilite et oscillateur a haute stabilite ainsi obtenu

Also Published As

Publication number Publication date
EP0012656A1 (de) 1980-06-25
FR2444368B1 (de) 1982-01-29
EP0012656B1 (de) 1984-01-11
FR2444368A1 (fr) 1980-07-11

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee