DE69429485D1 - Frequenzabstimmung für eine Phasenregelschleife - Google Patents

Frequenzabstimmung für eine Phasenregelschleife

Info

Publication number
DE69429485D1
DE69429485D1 DE69429485T DE69429485T DE69429485D1 DE 69429485 D1 DE69429485 D1 DE 69429485D1 DE 69429485 T DE69429485 T DE 69429485T DE 69429485 T DE69429485 T DE 69429485T DE 69429485 D1 DE69429485 D1 DE 69429485D1
Authority
DE
Germany
Prior art keywords
locked loop
phase locked
frequency tuning
tuning
frequency
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 - Lifetime
Application number
DE69429485T
Other languages
English (en)
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
STMicroelectronics Ltd Great Britain
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 STMicroelectronics Ltd Great Britain, SGS Thomson Microelectronics Ltd filed Critical STMicroelectronics Ltd Great Britain
Application granted granted Critical
Publication of DE69429485D1 publication Critical patent/DE69429485D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
    • 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
DE69429485T 1993-09-29 1994-08-19 Frequenzabstimmung für eine Phasenregelschleife Expired - Lifetime DE69429485D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939320069A GB9320069D0 (en) 1993-09-29 1993-09-29 Frequency tuning for a phase locked loop

Publications (1)

Publication Number Publication Date
DE69429485D1 true DE69429485D1 (de) 2002-01-31

Family

ID=10742700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429485T Expired - Lifetime DE69429485D1 (de) 1993-09-29 1994-08-19 Frequenzabstimmung für eine Phasenregelschleife

Country Status (5)

Country Link
US (1) US5446411A (de)
EP (1) EP0645891B1 (de)
JP (1) JPH07170176A (de)
DE (1) DE69429485D1 (de)
GB (1) GB9320069D0 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729518B1 (fr) * 1995-01-13 1997-06-06 Sgs Thomson Microelectronics Boucle a verrouillage de phase de demodulation d'un signal module en frequence
FR2737626B1 (fr) * 1995-07-31 1997-09-05 Sgs Thomson Microelectronics Dispositif et procede pour regler la frequence d'accord d'un demodulateur pll
US5666084A (en) * 1995-12-01 1997-09-09 Motorola, Inc. Multi-level demodulator and VCO circuit
DE19708059A1 (de) * 1997-02-28 1998-09-03 Philips Patentverwaltung Ton-FM-Demodulator für Ton-TV-Signale und Verfahren zur Tonträgererkennung
US6100767A (en) * 1997-09-29 2000-08-08 Sanyo Electric Co., Ltd. Phase-locked loop with improved trade-off between lock-up time and power dissipation
US6151076A (en) * 1998-02-10 2000-11-21 Tektronix, Inc. System for phase-locking a clock to a digital audio signal embedded in a digital video signal
US6404292B1 (en) * 1998-04-15 2002-06-11 Emhiser Research Ltd. Voltage controlled oscillators with reduced incidental frequency modulation and use in phase locking oscillators
EP0957635B1 (de) * 1998-05-15 2009-10-07 Nxp B.V. Filterschaltung
DE19822100A1 (de) * 1998-05-16 1999-11-18 Philips Patentverwaltung Stereo-/Zweiton-Demodulator
EP1046229B1 (de) 1998-10-22 2005-04-06 Koninklijke Philips Electronics N.V. Frequenzsynthetisierer
US6329883B1 (en) * 2000-11-01 2001-12-11 Cirrus Logic, Inc. Method and system for controlling a tuning voltage of a phase-locked loop circuit to an optimal value
KR100360411B1 (ko) * 2000-11-23 2002-11-13 삼성전자 주식회사 오프셋 전류를 자동 조절하는 위상 검출기 및 이를구비하는 위상동기 루프
US7062229B2 (en) * 2002-03-06 2006-06-13 Qualcomm Incorporated Discrete amplitude calibration of oscillators in frequency synthesizers
US6661267B2 (en) * 2002-05-06 2003-12-09 International Business Machines Corporation Coarse calibration circuit using variable step sizes to reduce jitter and a dynamic course calibration (DCC) circuit for a 2 GHz VCO
AU2003267746A1 (en) 2002-10-30 2004-05-25 Koninklijke Philips Electronics N.V. Phase locked loop demodulator with gain control
US6973400B2 (en) * 2003-10-10 2005-12-06 Itron, Inc. System and method for oscillator self-calibration using AC line frequency
US9455722B2 (en) * 2005-11-30 2016-09-27 Ati Technologies Ulc Method and apparatus for fast locking of a clock generating circuit
US8259876B2 (en) 2008-03-21 2012-09-04 Skyworks Solutions, Inc. System and method for tuning a radio receiver
JP6046536B2 (ja) * 2013-03-29 2016-12-14 新日本無線株式会社 Ｆｍ復調装置
US10212006B2 (en) * 2016-03-01 2019-02-19 Mediatek Inc. Feed-forward filtering device and associated method

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611175A (en) * 1970-03-26 1971-10-05 Sylvania Electric Prod Search circuit for frequency synthesizer
US4167711A (en) * 1978-05-26 1979-09-11 Motorola, Inc. Phase detector output stage for phase locked loop
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
US4365211A (en) * 1980-10-31 1982-12-21 Westinghouse Electric Corp. Phase-locked loop with initialization loop
JPS62169525A (ja) * 1986-01-22 1987-07-25 Hitachi Ltd Ｐｌｌ回路
CA1325251C (en) * 1988-09-02 1993-12-14 Shigeki Saito Frequency synthesizer
JPH0797731B2 (ja) * 1988-11-18 1995-10-18 日本電信電話株式会社 Ｖｃｏ制御回路
JPH082020B2 (ja) * 1988-09-02 1996-01-10 日本電信電話株式会社 周波数シンセサイザ
JPH02100519A (ja) * 1988-10-07 1990-04-12 Nippon Telegr & Teleph Corp <Ntt> 周波数シンセサイザ
JPH03234122A (ja) * 1990-02-08 1991-10-18 Yamaha Corp Ｐｌｌ回路
JP3024297B2 (ja) * 1991-09-12 2000-03-21 日本電気株式会社 位相同期受信回路
JPH06268449A (ja) * 1993-03-10 1994-09-22 Toshiba Corp Ｆｍ受信装置
GB9320068D0 (en) * 1993-09-29 1993-11-17 Sgs Thomson Microelectronics Demodulation of fm audio carrier
GB9320067D0 (en) * 1993-09-29 1993-11-17 Sgs Thomson Microelectronics Demodulation of fm audio carrier

Also Published As

Publication number Publication date
GB9320069D0 (en) 1993-11-17
EP0645891A1 (de) 1995-03-29
EP0645891B1 (de) 2001-12-19
US5446411A (en) 1995-08-29
JPH07170176A (ja) 1995-07-04

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Legal Events

Date Code Title Description
8332 No legal effect for de