BR9606198A - Aparelho - Google Patents

Aparelho

Info

Publication number
BR9606198A
BR9606198A BR9606198A BR9606198A BR9606198A BR 9606198 A BR9606198 A BR 9606198A BR 9606198 A BR9606198 A BR 9606198A BR 9606198 A BR9606198 A BR 9606198A BR 9606198 A BR9606198 A BR 9606198A
Authority
BR
Brazil
Application number
BR9606198A
Other languages
English (en)
Inventor
David Mark Badger
Original Assignee
Thomson Consumer Electronics
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 Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of BR9606198A publication Critical patent/BR9606198A/pt

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
    • 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
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
    • 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
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • 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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0032—Correction of carrier offset at baseband and passband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0069—Loop filters
BR9606198A 1995-12-28 1996-12-27 Aparelho BR9606198A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57978395A 1995-12-28 1995-12-28

Publications (1)

Publication Number Publication Date
BR9606198A true BR9606198A (pt) 1998-08-18

Family

ID=24318341

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9606198A BR9606198A (pt) 1995-12-28 1996-12-27 Aparelho

Country Status (7)

Country Link
US (1) US5748046A (pt)
EP (1) EP0782271B1 (pt)
JP (1) JP3560750B2 (pt)
KR (1) KR100413715B1 (pt)
CN (1) CN1133271C (pt)
BR (1) BR9606198A (pt)
DE (1) DE69619783T2 (pt)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6839548B1 (en) * 1996-03-01 2005-01-04 International Business Machines Corporation Radio transmitter
JP3225837B2 (ja) * 1996-04-19 2001-11-05 松下電器産業株式会社 高周波信号受信装置
JP3185918B2 (ja) * 1996-08-05 2001-07-11 株式会社村田製作所 電子装置
US6445425B1 (en) * 1997-01-07 2002-09-03 Samsung Electronics Co., Ltd. Automatic fine tuning of receiver for digital television signals
US6046781A (en) * 1997-01-07 2000-04-04 Samsung Electronics Co., Ltd. Automatic fine tuning of TV receiver for receiving both digital and analog TV signals
JPH10233816A (ja) * 1997-02-21 1998-09-02 Sharp Corp デジタル衛星受信機
FR2764158B1 (fr) * 1997-06-03 1999-08-20 Texas Instruments France Procede et dispositif d'estimation du decalage de frequence dans un signal recu par un demodulateur de telephone mobile
KR100471307B1 (ko) * 1997-12-31 2005-05-27 대우텔레텍(주) 이동단말기에서의 중간주파수 자동제어장치
GB9804708D0 (en) * 1998-03-05 1998-04-29 Nec Technologies Uk Ltd Radio transmitter/reciever channel selection
CN1148871C (zh) * 1998-04-17 2004-05-05 汤姆森特许公司 Dbs产品的lnb漂移搜索系统
CN1153351C (zh) 1998-10-22 2004-06-09 皇家菲利浦电子有限公司 频率合成器
US6188247B1 (en) * 1999-01-29 2001-02-13 International Business Machines Corporation Method and apparatus for elimination of parasitic bipolar action in logic circuits for history removal under stack contention including complementary oxide semiconductor (CMOS) silicon on insulator (SOI) elements
DE19918057C2 (de) * 1999-04-21 2002-11-07 Infineon Technologies Ag Vorrichtung zur Einstellung der Abstimmspannung von Abstimmschwingkreisen
JP3190318B2 (ja) * 1999-07-07 2001-07-23 三菱電機株式会社 周波数誤差推定装置および周波数誤差推定方法
US6389092B1 (en) * 1999-08-11 2002-05-14 Newport Communications, Inc. Stable phase locked loop having separated pole
US6993106B1 (en) 1999-08-11 2006-01-31 Broadcom Corporation Fast acquisition phase locked loop using a current DAC
KR20020038013A (ko) * 2000-11-16 2002-05-23 윤종용 2계위 망동기의 발진기 교정 주기 감소 방법
DE60041546D1 (de) * 2000-12-28 2009-03-26 Renesas Tech Corp PLL-Schaltung mit reduzierter Einschwingzeit
KR100820278B1 (ko) * 2002-03-11 2008-04-07 엘지이노텍 주식회사 수정 진동자를 공용으로 사용하는 튜너
WO2003103171A1 (en) * 2002-06-04 2003-12-11 Thomson Licensing S.A. Wireless signal loss detection
DE10243504A1 (de) * 2002-09-19 2004-04-01 Robert Bosch Gmbh Schaltungsanordnung und Verfahren zum Abstimmen der Oszillationsfrequenz
US7167694B2 (en) * 2003-04-14 2007-01-23 Silicon Laboratories Inc. Integrated multi-tuner satellite receiver architecture and associated method
JP4434825B2 (ja) * 2003-05-08 2010-03-17 パナソニック株式会社 インパルス波形生成装置
FR2857199A1 (fr) * 2003-07-01 2005-01-07 Thomson Licensing Sa Procede de demodulation dans une stb
GB0323936D0 (en) * 2003-10-11 2003-11-12 Zarlink Semiconductor Inc Digital phase locked loop with selectable normal or fast-locking capability
US6980060B2 (en) 2003-10-23 2005-12-27 International Business Machines Corporation Adaptive method and apparatus to control loop bandwidth of a phase lock loop
KR20070113564A (ko) * 2006-05-25 2007-11-29 엘지전자 주식회사 방송 수신기와 데이터 수신 채널 인터페이스 방법 및데이터 구조
US8090335B1 (en) * 2006-07-11 2012-01-03 Xilinx, Inc. Method and apparatus for an adaptive step frequency calibration
US7772931B2 (en) * 2008-06-08 2010-08-10 Advantest Corporation Oscillator and a tuning method of a loop bandwidth of a phase-locked-loop
US9100088B2 (en) 2012-06-15 2015-08-04 Maxlinear, Inc. Method and system for guard band detection and frequency offset detection
US9385731B2 (en) * 2014-07-16 2016-07-05 Taiwan Semiconductor Manufacturing Company Limited Phase-locked loop (PLL)
CN114598320A (zh) * 2022-03-31 2022-06-07 上海韬润半导体有限公司 用于锁相环的环路滤波器以及锁相环

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290028A (en) * 1979-07-30 1981-09-15 International Telephone And Telegraph Corporation High speed phase locked loop frequency synthesizer
US4670888A (en) * 1985-11-07 1987-06-02 Agile Systems, Inc. Frequency modulated modem transmitter
US4801896A (en) * 1987-07-01 1989-01-31 Rockwell International Corporation Circuit providing improved lock-in for a phase-locked loop
JPH02177725A (ja) * 1988-12-28 1990-07-10 Fujitsu Ltd Ｐｌｌシンセサイザ回路
JP2819876B2 (ja) * 1991-08-20 1998-11-05 松下電器産業株式会社 周波数シンセサイザ
WO1993005578A1 (en) * 1991-08-30 1993-03-18 Fujitsu Limited Frequency synthesizer
JP2875472B2 (ja) * 1994-01-19 1999-03-31 日本無線株式会社 Ｐｌｌシンセサイザ及びその制御方法

Also Published As

Publication number Publication date
JP3560750B2 (ja) 2004-09-02
EP0782271A1 (en) 1997-07-02
KR970055561A (ko) 1997-07-31
CN1133271C (zh) 2003-12-31
CN1158029A (zh) 1997-08-27
KR100413715B1 (ko) 2004-03-30
EP0782271B1 (en) 2002-03-13
JPH09200047A (ja) 1997-07-31
DE69619783D1 (de) 2002-04-18
MX9606747A (es) 1997-09-30
DE69619783T2 (de) 2002-10-02
US5748046A (en) 1998-05-05

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 13A E 14A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 13A E 14A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.