FR2415911A1 - Circuit de demodulation de frequence notamment pour recepteur de television et recepteur comportant un tel circuit - Google Patents

Circuit de demodulation de frequence notamment pour recepteur de television et recepteur comportant un tel circuit

Info

Publication number
FR2415911A1
FR2415911A1 FR7802336A FR7802336A FR2415911A1 FR 2415911 A1 FR2415911 A1 FR 2415911A1 FR 7802336 A FR7802336 A FR 7802336A FR 7802336 A FR7802336 A FR 7802336A FR 2415911 A1 FR2415911 A1 FR 2415911A1
Authority
FR
France
Prior art keywords
frequency
free
absence
demodulator
locked
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.)
Granted
Application number
FR7802336A
Other languages
English (en)
French (fr)
Other versions
FR2415911B1 (enrdf_load_stackoverflow
Inventor
Michel Van Den Driessche
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
Priority to FR7802336A priority Critical patent/FR2415911A1/fr
Publication of FR2415911A1 publication Critical patent/FR2415911A1/fr
Application granted granted Critical
Publication of FR2415911B1 publication Critical patent/FR2415911B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR7802336A 1978-01-27 1978-01-27 Circuit de demodulation de frequence notamment pour recepteur de television et recepteur comportant un tel circuit Granted FR2415911A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7802336A FR2415911A1 (fr) 1978-01-27 1978-01-27 Circuit de demodulation de frequence notamment pour recepteur de television et recepteur comportant un tel circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7802336A FR2415911A1 (fr) 1978-01-27 1978-01-27 Circuit de demodulation de frequence notamment pour recepteur de television et recepteur comportant un tel circuit

Publications (2)

Publication Number Publication Date
FR2415911A1 true FR2415911A1 (fr) 1979-08-24
FR2415911B1 FR2415911B1 (enrdf_load_stackoverflow) 1980-08-29

Family

ID=9203903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7802336A Granted FR2415911A1 (fr) 1978-01-27 1978-01-27 Circuit de demodulation de frequence notamment pour recepteur de television et recepteur comportant un tel circuit

Country Status (1)

Country Link
FR (1) FR2415911A1 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470475A (en) * 1966-09-28 1969-09-30 Nasa Automatic frequency discriminators and control for a phase-lock loop providing frequency preset capabilities
FR2137594A1 (enrdf_load_stackoverflow) * 1971-05-07 1972-12-29 Rca Corp
DE2223889A1 (de) * 1970-01-09 1973-12-06 Licentia Gmbh Phasenvergleichsschaltung zur erzeugung einer regelspannung zur synchronisierung eines oszillators
FR2227680A1 (enrdf_load_stackoverflow) * 1973-04-26 1974-11-22 Signetics Corp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470475A (en) * 1966-09-28 1969-09-30 Nasa Automatic frequency discriminators and control for a phase-lock loop providing frequency preset capabilities
DE2223889A1 (de) * 1970-01-09 1973-12-06 Licentia Gmbh Phasenvergleichsschaltung zur erzeugung einer regelspannung zur synchronisierung eines oszillators
FR2137594A1 (enrdf_load_stackoverflow) * 1971-05-07 1972-12-29 Rca Corp
FR2227680A1 (enrdf_load_stackoverflow) * 1973-04-26 1974-11-22 Signetics Corp

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV2328/68 *

Also Published As

Publication number Publication date
FR2415911B1 (enrdf_load_stackoverflow) 1980-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse