DE2953958C2 - - Google Patents

Info

Publication number
DE2953958C2
DE2953958C2 DE2953958A DE2953958A DE2953958C2 DE 2953958 C2 DE2953958 C2 DE 2953958C2 DE 2953958 A DE2953958 A DE 2953958A DE 2953958 A DE2953958 A DE 2953958A DE 2953958 C2 DE2953958 C2 DE 2953958C2
Authority
DE
Germany
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
DE2953958A
Other languages
German (de)
Inventor
Michel Antony Fr Geesen
Jacques Maurepas Fr Mourant
Daniel Pierre Ramonville Saint Agne Fr Ludwig
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.)
Centre National dEtudes Spatiales CNES
Thales SA
Original Assignee
Centre National dEtudes Spatiales CNES
Electronique Marcal Dassault 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 Centre National dEtudes Spatiales CNES, Electronique Marcal Dassault SA filed Critical Centre National dEtudes Spatiales CNES
Application granted granted Critical
Publication of DE2953958C2 publication Critical patent/DE2953958C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/165—Spectrum analysis; Fourier analysis using filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
    • H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop

Landscapes

  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Communication Control (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
DE2953958A 1978-05-17 1979-05-16 Expired DE2953958C2 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7814626A FR2426367A1 (fr) 1978-05-17 1978-05-17 Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes

Publications (1)

Publication Number Publication Date
DE2953958C2 true DE2953958C2 (fi) 1987-04-30

Family

ID=9208342

Family Applications (3)

Application Number Title Priority Date Filing Date
DE2953957A Expired DE2953957C2 (de) 1978-05-17 1979-05-16 Gerät zum Verarbeiten von Signalen
DE2919839A Expired DE2919839C2 (de) 1978-05-17 1979-05-16 Gerät zum Erfassen von zufallsweise empfangenen Funksignalen unbekannter Frequenzen
DE2953958A Expired DE2953958C2 (fi) 1978-05-17 1979-05-16

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE2953957A Expired DE2953957C2 (de) 1978-05-17 1979-05-16 Gerät zum Verarbeiten von Signalen
DE2919839A Expired DE2919839C2 (de) 1978-05-17 1979-05-16 Gerät zum Erfassen von zufallsweise empfangenen Funksignalen unbekannter Frequenzen

Country Status (5)

Country Link
JP (1) JPS6013620B2 (fi)
CA (1) CA1142237A (fi)
DE (3) DE2953957C2 (fi)
FR (1) FR2426367A1 (fi)
NO (3) NO148505C (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2999839B1 (fr) * 2012-12-14 2018-05-25 Thales Recepteur de signaux radiofrequence destine a etre installe sur un satellite

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042800A (en) * 1960-07-01 1962-07-03 Hughes Aircraft Co Selective automatic gain control circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984769A (en) * 1956-07-26 1976-10-05 American Standard, Inc. Mixed-base intercept receiver
FR1605302A (fi) * 1958-08-26 1974-08-02
US3173087A (en) * 1961-04-03 1965-03-09 Collins Radio Co Radio search and intercept system including serially connected frequency determining units with increasing passbands
GB1581525A (en) * 1976-08-04 1980-12-17 Plessey Co Ltd Frequency synthesis control system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042800A (en) * 1960-07-01 1962-07-03 Hughes Aircraft Co Selective automatic gain control circuit

Also Published As

Publication number Publication date
DE2953957C2 (de) 1986-08-07
FR2426367B1 (fi) 1982-04-09
DE2919839A1 (de) 1979-12-20
NO148505C (no) 1983-10-19
JPS5526795A (en) 1980-02-26
NO791642L (no) 1979-11-20
NO823328L (no) 1979-11-20
NO823329L (no) 1979-11-20
DE2919839C2 (de) 1983-03-03
NO148505B (no) 1983-07-11
JPS6013620B2 (ja) 1985-04-08
CA1142237A (fr) 1983-03-01
FR2426367A1 (fr) 1979-12-14

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