FR2556524B1 - Circuit de suppression des variations d'amplitude des signaux modules en frequence - Google Patents

Circuit de suppression des variations d'amplitude des signaux modules en frequence

Info

Publication number
FR2556524B1
FR2556524B1 FR848418782A FR8418782A FR2556524B1 FR 2556524 B1 FR2556524 B1 FR 2556524B1 FR 848418782 A FR848418782 A FR 848418782A FR 8418782 A FR8418782 A FR 8418782A FR 2556524 B1 FR2556524 B1 FR 2556524B1
Authority
FR
France
Prior art keywords
amplitude
circuit
modulated signals
frequency modulated
suppressing variations
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
FR848418782A
Other languages
English (en)
Other versions
FR2556524A1 (fr
Inventor
Rodney James Lawton
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.)
Plessey Overseas Ltd
Original Assignee
Plessey Overseas Ltd
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 Plessey Overseas Ltd filed Critical Plessey Overseas Ltd
Publication of FR2556524A1 publication Critical patent/FR2556524A1/fr
Application granted granted Critical
Publication of FR2556524B1 publication Critical patent/FR2556524B1/fr
Expired 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Details Of Television Scanning (AREA)
  • Amplifiers (AREA)
  • Burglar Alarm Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Manipulation Of Pulses (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Surgical Instruments (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR848418782A 1983-12-09 1984-12-07 Circuit de suppression des variations d'amplitude des signaux modules en frequence Expired FR2556524B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838332897A GB8332897D0 (en) 1983-12-09 1983-12-09 Fm detection

Publications (2)

Publication Number Publication Date
FR2556524A1 FR2556524A1 (fr) 1985-06-14
FR2556524B1 true FR2556524B1 (fr) 1989-10-27

Family

ID=10553079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848418782A Expired FR2556524B1 (fr) 1983-12-09 1984-12-07 Circuit de suppression des variations d'amplitude des signaux modules en frequence

Country Status (5)

Country Link
US (1) US4642490A (fr)
JP (3) JPS60141004A (fr)
DE (1) DE3444185A1 (fr)
FR (1) FR2556524B1 (fr)
GB (4) GB8332897D0 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175159B (en) * 1985-05-13 1989-07-05 Plessey Co Plc Fm receivers
GB2226723B (en) * 1988-10-06 1992-12-23 Peter Smolka A method of and system for demodulating fm signals
NL8802531A (nl) * 1988-10-14 1990-05-01 Philips Nv Fasedetector en frequentiedemodulator voorzien van zulk een fasedetector.
GB2282030B (en) * 1993-09-14 1997-09-24 Plessey Semiconductors Ltd Direct conversion receiver
JP2576774B2 (ja) * 1993-10-29 1997-01-29 日本電気株式会社 トリプラおよびクァドルプラ
CA2255644C (fr) * 1996-05-29 2002-04-02 Honda Giken Kogyo Kabushiki Kaisha Procede de formation d'un film protecteur sur la surface revetue d'une automobile
US6426660B1 (en) * 2001-08-30 2002-07-30 International Business Machines Corporation Duty-cycle correction circuit
US7898302B1 (en) * 2008-10-31 2011-03-01 Maxim Integrated Products, Inc. Compact integrated circuit solutions for driving liquid lenses in autofocus applications
JP5995208B2 (ja) * 2011-04-29 2016-09-21 マーベル ワールド トレード リミテッド 自己混合を利用する周波数逓倍
US9966937B2 (en) 2011-04-29 2018-05-08 Marvell World Trade Ltd. Frequency multipliers
JP6333193B2 (ja) * 2015-02-19 2018-05-30 三菱電機株式会社 受信機

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488936A (en) * 1940-12-12 1949-11-22 Rca Corp Frequency-modulation recording and reproducing and its combination with a radio receiver
NL136716C (fr) * 1946-12-10
GB1063641A (en) * 1964-06-01 1967-03-30 Thorn Electronics Ltd Improvements in frequency discriminators
GB1217502A (en) * 1967-01-18 1970-12-31 Plessey Co Ltd Improvements in or relating to logic circuits
US3591858A (en) * 1968-05-31 1971-07-06 Beckman Instruments Inc Pulse rate to analog converter
FR2122377B1 (fr) * 1971-01-22 1976-05-28 Labo Electro Autom Dauph
GB1409001A (en) * 1973-03-22 1975-10-08 British Aircraft Corp Ltd Frequency meter
US3935539A (en) * 1974-04-08 1976-01-27 The United States Of America As Represented By The Secretary Of The Navy A-C signal multiplying circuit by a ratio of whole numbers the numerator of which is greater than one and greater than the denominator
US3995224A (en) * 1975-04-30 1976-11-30 Rca Corporation Fast automatic gain control circuit with adjustable range
US4388595A (en) * 1981-03-26 1983-06-14 Bell Telephone Laboratories, Incorporated Apparatus and method for removing bias distortion from a product demodulator

Also Published As

Publication number Publication date
DE3444185A1 (de) 1985-06-20
GB8332897D0 (en) 1984-01-18
GB2151095A (en) 1985-07-10
GB2151095B (en) 1987-03-18
GB2151094A (en) 1985-07-10
GB8428217D0 (en) 1984-12-19
GB8414056D0 (en) 1984-07-04
JPS60141004A (ja) 1985-07-26
GB2151093A (en) 1985-07-10
FR2556524A1 (fr) 1985-06-14
JPS60142604A (ja) 1985-07-27
GB8419176D0 (en) 1984-08-30
US4642490A (en) 1987-02-10
GB2151093B (en) 1987-03-18
JPS60186104A (ja) 1985-09-21

Similar Documents

Publication Publication Date Title
BR8404682A (pt) Modulador de frequencia de fizero
DE3461013D1 (en) Circuit recovering the carrier of a signal modulated by amplitude steps and phase steps
FR2525054B1 (fr) Emetteur concu pour l'emission de signaux modules en frequence
GB2144546B (en) Surface acoustic wave accelerometer
GB2152776B (en) Amplitude modulated high frequency signal detection device
FR2556524B1 (fr) Circuit de suppression des variations d'amplitude des signaux modules en frequence
DE3490308D2 (en) Method and circuitry for reading the signal to be detected according to the signal value and independently from the frequency range
EP0147863A3 (en) Surface acoustic wave transducer
FR2610152B1 (fr) Circuit de modulation en frequence
FR2318547A1 (fr) Circuit limiteur d'amplitude pour signaux video modules en frequence
FR2557745B1 (fr) Demodulateur synchrone pour signaux modules en amplitude
GB8420698D0 (en) Surface acoustic wave devices
PT79340A (fr) Circuit de reception d'onde modulee tantot en frequence par signal analogique et tantot en phase par signal numerique
EP0146077A3 (en) Acoustic surface wave resonator device
GB2149993B (en) Laser doppler velocimeter
GB2117593B (en) Adjusting the frequency response of surface acoustic wave devices
FR2651041B1 (fr) Circuit de comparaison de signaux haute frequence modules en amplitude
FR2492188B1 (fr) Circuit de demodulation de signaux modules en frequence
GB2193380B (en) High frequency signal suppression component
FR2599910B1 (fr) Circuit amplificateur differentiel regenerateur de signaux complementaires de faible amplitude
DE68914232D1 (de) Übersprechungslöschschaltung zur Entfernung der Übersprechungskomponente eines Wiedergabesignals.
GB8400230D0 (en) Amplifying signal of varying level
GB8815058D0 (en) Frequency modulation demodulator utilising surface acoustic wave delay line
FR2402984B1 (fr) Circuit pour la regeneration dans un recepteur de fac-simile de l'onde porteuse d'un signal a suppression d'onde porteuse module en amplitude
GB2144939B (en) Receiver including surface acoustic wave amplifier

Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse