FR2115283A1 - - Google Patents

Info

Publication number
FR2115283A1
FR2115283A1 FR7141507A FR7141507A FR2115283A1 FR 2115283 A1 FR2115283 A1 FR 2115283A1 FR 7141507 A FR7141507 A FR 7141507A FR 7141507 A FR7141507 A FR 7141507A FR 2115283 A1 FR2115283 A1 FR 2115283A1
Authority
FR
France
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
FR7141507A
Other versions
FR2115283B1 (fr
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.)
Unisys Group Services Ltd
Sperry Corp
Original Assignee
Sperry Rand Ltd
Sperry Rand Corp
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 Sperry Rand Ltd, Sperry Rand Corp filed Critical Sperry Rand Ltd
Publication of FR2115283A1 publication Critical patent/FR2115283A1/fr
Application granted granted Critical
Publication of FR2115283B1 publication Critical patent/FR2115283B1/fr
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
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • 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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR7141507A 1970-11-20 1971-11-19 Expired FR2115283B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9143070A 1970-11-20 1970-11-20

Publications (2)

Publication Number Publication Date
FR2115283A1 true FR2115283A1 (fr) 1972-07-07
FR2115283B1 FR2115283B1 (fr) 1975-07-18

Family

ID=22227739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7141507A Expired FR2115283B1 (fr) 1970-11-20 1971-11-19

Country Status (3)

Country Link
DE (1) DE2156722A1 (fr)
FR (1) FR2115283B1 (fr)
IT (1) IT940714B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481549A1 (fr) * 1980-04-25 1981-10-30 Thomson Brandt Dispositif de synthese et de demodulation combinees pour recepteurs d'ondes modulees en frequence et recepteur le comportant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481549A1 (fr) * 1980-04-25 1981-10-30 Thomson Brandt Dispositif de synthese et de demodulation combinees pour recepteurs d'ondes modulees en frequence et recepteur le comportant
EP0039275A1 (fr) * 1980-04-25 1981-11-04 Société S E R E L Dispositif de synthèse et de démodulation combinées pour récepteur d'ondes modulées en fréquence, et récepteur le comportant
US4472685A (en) * 1980-04-25 1984-09-18 Thomson-Brandt Phase-locked loop frequency demodulator and frequency synthesizer

Also Published As

Publication number Publication date
FR2115283B1 (fr) 1975-07-18
DE2156722A1 (de) 1972-08-10
IT940714B (it) 1973-02-20

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Legal Events

Date Code Title Description
ST Notification of lapse