DE69421661T2 - Demodulation eines frequenzmodulierten Tonträgers - Google Patents

Demodulation eines frequenzmodulierten Tonträgers

Info

Publication number
DE69421661T2
DE69421661T2 DE69421661T DE69421661T DE69421661T2 DE 69421661 T2 DE69421661 T2 DE 69421661T2 DE 69421661 T DE69421661 T DE 69421661T DE 69421661 T DE69421661 T DE 69421661T DE 69421661 T2 DE69421661 T2 DE 69421661T2
Authority
DE
Germany
Prior art keywords
demodulation
frequency
sound carrier
modulated sound
modulated
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 - Fee Related
Application number
DE69421661T
Other languages
English (en)
Other versions
DE69421661D1 (de
Inventor
Wayne Leslie Horsfall
Gary Shipton
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.)
STMicroelectronics Ltd Great Britain
Original Assignee
SGS Thomson Microelectronics 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 SGS Thomson Microelectronics Ltd filed Critical SGS Thomson Microelectronics Ltd
Publication of DE69421661D1 publication Critical patent/DE69421661D1/de
Application granted granted Critical
Publication of DE69421661T2 publication Critical patent/DE69421661T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03D3/244—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 combined with means for obtaining automatic gain control
DE69421661T 1993-09-29 1994-08-19 Demodulation eines frequenzmodulierten Tonträgers Expired - Fee Related DE69421661T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939320068A GB9320068D0 (en) 1993-09-29 1993-09-29 Demodulation of fm audio carrier

Publications (2)

Publication Number Publication Date
DE69421661D1 DE69421661D1 (de) 1999-12-23
DE69421661T2 true DE69421661T2 (de) 2000-03-09

Family

ID=10742699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421661T Expired - Fee Related DE69421661T2 (de) 1993-09-29 1994-08-19 Demodulation eines frequenzmodulierten Tonträgers

Country Status (5)

Country Link
US (1) US5493713A (de)
EP (1) EP0645882B1 (de)
JP (1) JP2732803B2 (de)
DE (1) DE69421661T2 (de)
GB (1) GB9320068D0 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9320069D0 (en) * 1993-09-29 1993-11-17 Sgs Thomson Microelectronics Frequency tuning for a phase locked loop
JP3281466B2 (ja) * 1993-11-10 2002-05-13 ローム株式会社 Ｆｍ受信機
US5722063A (en) * 1994-12-16 1998-02-24 Qualcomm Incorporated Method and apparatus for increasing receiver immunity to interference
US5642388A (en) * 1995-02-03 1997-06-24 Vlsi Technology, Inc. Frequency adjustable PLL clock generation for a PLL based microprocessor based on temperature and/or operating voltage and method therefor
JPH08293735A (ja) * 1995-04-20 1996-11-05 Matsushita Electric Ind Co Ltd 高周波装置
FR2737626B1 (fr) * 1995-07-31 1997-09-05 Sgs Thomson Microelectronics Dispositif et procede pour regler la frequence d'accord d'un demodulateur pll
US5901350A (en) * 1996-09-30 1999-05-04 Fairchild Semiconductor Corporation Low distortion large swing frequency down coverter filter amplifier circuit
US5901173A (en) * 1996-12-09 1999-05-04 Raytheon Company Noise Estimator
EP0893137B1 (de) * 1997-07-22 2004-03-31 Terumo Kabushiki Kaisha Verweilkathetersatz und Herstellungsmetode
US6112071A (en) * 1998-02-23 2000-08-29 Tropian, Inc. Quadrature-free RF receiver for directly receiving angle modulated signal
US6229998B1 (en) 1999-04-12 2001-05-08 Qualcomm Inc. Method and system for detecting in-band jammers in a spread spectrum wireless base station
JP2002319825A (ja) * 2001-04-24 2002-10-31 Alps Electric Co Ltd Ｆｍ復調回路
US7672659B2 (en) * 2002-04-04 2010-03-02 Telefonaktiebolaget L M Ericsson (Publ) Mixer with feedback
JP6184141B2 (ja) * 2013-03-21 2017-08-23 日本分光株式会社 光弾性変調器の変調信号検出装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185243A (en) * 1976-10-04 1980-01-22 Motorola Inc. Method and apparatus for providing a standby signal
FR2558658B1 (fr) * 1984-01-25 1989-09-22 Portenseigne Demodulateur a boucle a verrouillage de phase
FR2564663B1 (fr) * 1984-05-15 1986-09-19 Radiotechnique Demodulateur de frequence a largeur de bande ajustable
JPS6212288A (ja) * 1985-07-10 1987-01-21 Toshiba Corp 位相同期ル−プ形ｆｍ復調器
JPS63299505A (ja) * 1987-05-29 1988-12-07 Matsushita Electric Ind Co Ltd 受信装置
US4926141A (en) * 1989-05-01 1990-05-15 Motorola, Inc. Frequency synthesizer with improved automatic control of loop bandwidth selection
JPH0770925B2 (ja) * 1989-05-16 1995-07-31 三洋電機株式会社 Ｆｍ復調回路
JPH0795699B2 (ja) * 1989-10-26 1995-10-11 松下電器産業株式会社 受信機

Also Published As

Publication number Publication date
DE69421661D1 (de) 1999-12-23
EP0645882A1 (de) 1995-03-29
GB9320068D0 (en) 1993-11-17
US5493713A (en) 1996-02-20
JPH07170127A (ja) 1995-07-04
EP0645882B1 (de) 1999-11-17
JP2732803B2 (ja) 1998-03-30

Similar Documents

Publication Publication Date Title
DE69421490D1 (de) Demodulation eines frequenzmodulierten Tonträgers
DE69433469D1 (de) Träger-Demodulator
DE733217T1 (de) Hydrophontraeger
DE778952T1 (de) Bestimmung der herkunft eines projektils
FI933989A (fi) Vt-signaalin demodulointi sigma-delta-muuntimella
DE68921265D1 (de) Mehrfache Wiederverwendung eines FM-Bandes.
DE69512687D1 (de) Komponententrägerband
DE69421661D1 (de) Demodulation eines frequenzmodulierten Tonträgers
DE69433678D1 (de) Empfang eines bandgespreizten Signals mit differenzieller Demodulation
DE69313520D1 (de) FM-Quadratur-Demodulator
DE68920210T2 (de) Demodulation eines phasenmodulierten Trägersignals.
DE69405684T2 (de) Effektivitätsfeststellung eines Katalysators
DE69320720T2 (de) Detektion eines Synchronisationssignals und Datendemodulation
NO308760B1 (no) Demodulasjonssystem
DE59408340D1 (de) Verwendung eines Papierträgers
DE69829474D1 (de) Geschwindigkeits-berechnung eines funksenders
DE69324598D1 (de) Abfrage eines empfaengers
KR950007574U (ko) 사운드 캐리어 검파회로
NO963612D0 (no) Digital kvadraturamplitudemodulasjon
NO930072L (no) Demodulasjonssystem
DE69406305D1 (de) Permanenter informationsträger
BR9405908A (pt) Formulário portador
DE29620841U1 (de) Befestigung eines Bauteils an einem Träger
DE9420769U1 (de) Lernbehelf in Form eines Tonträgers
DE69315326D1 (de) Drehbare trägervorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee