JP2003516048A - チューナアラインメント - Google Patents

チューナアラインメント

Info

Publication number
JP2003516048A
JP2003516048A JP2001541233A JP2001541233A JP2003516048A JP 2003516048 A JP2003516048 A JP 2003516048A JP 2001541233 A JP2001541233 A JP 2001541233A JP 2001541233 A JP2001541233 A JP 2001541233A JP 2003516048 A JP2003516048 A JP 2003516048A
Authority
JP
Japan
Prior art keywords
signal
control signal
characteristic
digital form
filter
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.)
Withdrawn
Application number
JP2001541233A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003516048A5 (enExample
Inventor
セー エル イェオ アラン
エル ペー タン ハン
ハー アー ブレクルマンス ヨハネス
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2003516048A publication Critical patent/JP2003516048A/ja
Publication of JP2003516048A5 publication Critical patent/JP2003516048A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • 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
    • H03J1/0033—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for voltage synthesis with a D/A converter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Databases & Information Systems (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
JP2001541233A 1999-12-01 2000-11-27 チューナアラインメント Withdrawn JP2003516048A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG9900134 1999-12-01
SG99/00134 1999-12-01
PCT/EP2000/011826 WO2001041424A2 (en) 1999-12-01 2000-11-27 Tuner alignment

Publications (2)

Publication Number Publication Date
JP2003516048A true JP2003516048A (ja) 2003-05-07
JP2003516048A5 JP2003516048A5 (enExample) 2008-01-24

Family

ID=20430260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001541233A Withdrawn JP2003516048A (ja) 1999-12-01 2000-11-27 チューナアラインメント

Country Status (6)

Country Link
US (1) US7499694B1 (enExample)
EP (1) EP1188306A2 (enExample)
JP (1) JP2003516048A (enExample)
KR (1) KR100743444B1 (enExample)
CN (1) CN100382588C (enExample)
WO (1) WO2001041424A2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0126219D0 (en) * 2001-11-01 2002-01-02 Koninkl Philips Electronics Nv Tunable filter
JP2003234666A (ja) * 2002-02-07 2003-08-22 Toyota Industries Corp 無線機用半導体集積回路及び無線通信機
GB0216450D0 (en) 2002-07-16 2002-08-21 Zarlink Semiconductor Ltd Tuner
US7680477B2 (en) * 2004-09-03 2010-03-16 Texas Instruments Incorporated Integrated radio frequency filters for multiband transceivers
GB2427088B (en) * 2005-06-08 2008-12-24 Zarlink Semiconductor Ltd Radio frequency tuner
US7881688B1 (en) * 2006-09-29 2011-02-01 Marvell International Ltd. Method and apparatus for controlling a local oscillator
KR100886434B1 (ko) * 2007-11-06 2009-03-02 한국전자통신연구원 채널 대역 가변적인 시스템 및 가변 필터 제어 방법
CN105991203B (zh) * 2015-03-05 2018-10-30 博通集成电路（上海）股份有限公司 频道选择装置及其方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399559A (en) * 1980-05-30 1983-08-16 Rca Corporation Voltage controlled tuner with voltage variable frequency selective arrangements controlled in response to a control voltage generated independently of the tuning voltage
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus
JPS6121660A (ja) * 1984-07-10 1986-01-30 Toshiba Corp 搬送波再生回路
NL8402880A (nl) * 1984-09-20 1986-04-16 Philips Nv Televisie-ontvanger met een automatische hoogfrequentkringafregelschakeling.
DE3885625T2 (de) * 1987-01-20 1994-03-10 Matsushita Electric Ind Co Ltd Empfänger für Erd- und Satellitenrundfunk.
US5065107A (en) * 1990-04-19 1991-11-12 University Of Saskatchewan Phase-locked loop bandwidth switching demodulator for suppressed carrier signals
US5179302A (en) * 1991-04-03 1993-01-12 Loral Aerospace Corp. Tunable data filter
US5280638A (en) * 1991-09-06 1994-01-18 Ford Motor Company RF filter self-alignment for multiband radio receiver
US5438699A (en) * 1992-06-09 1995-08-01 Coveley; Michael Adaptive system for self-tuning a receiver in an RF communication system
US5678211A (en) * 1992-08-28 1997-10-14 Thomson Consumer Electronics, Inc. Television tuning apparatus
US5404161A (en) * 1993-07-27 1995-04-04 Information Resources, Inc. Tuned signal detector for use with a radio frequency receiver
JPH07297779A (ja) * 1994-04-26 1995-11-10 Toshiba Corp 自動周波数制御機能を備えたディジタル無線機
US5752179A (en) * 1995-08-17 1998-05-12 Zenith Electronics Corporation Selective RF circuit with varactor tuned and switched bandpass filters
US5949832A (en) * 1996-03-26 1999-09-07 Sicom, Inc. Digital receiver with tunable analog filter and method therefor
US5721756A (en) * 1996-03-26 1998-02-24 Sicom, Inc. Digital receiver with tunable analog parameters and method therefor
JPH09326837A (ja) * 1996-06-06 1997-12-16 Kokusai Electric Co Ltd 自動周波数制御方法とその回路、受信機
US5963856A (en) * 1997-01-03 1999-10-05 Lucent Technologies Inc Wireless receiver including tunable RF bandpass filter
TW331681B (en) * 1997-02-18 1998-05-11 Chyng-Guang Juang Wide-band low-noise low-crossover distortion receiver
JPH10276125A (ja) * 1997-03-28 1998-10-13 Matsushita Electric Ind Co Ltd 移動無線受信装置
GB2336731A (en) * 1998-04-22 1999-10-27 Thomson Multimedia Sa A video tuner in which data representing a PLL division is used to control other circuit parameters
US6169569B1 (en) * 1998-05-22 2001-01-02 Temic Telefumken Cable modem tuner
US6560270B1 (en) * 1999-03-04 2003-05-06 Northrop Grumman Corporation Method for tuning a spread spectrum receiver
US6307442B1 (en) * 1999-05-17 2001-10-23 Maxim Integrated Products Enhanced LC filter with tunable Q
US6463266B1 (en) * 1999-08-10 2002-10-08 Broadcom Corporation Radio frequency control for communications systems
US6307443B1 (en) * 1999-09-24 2001-10-23 Agere Systems Guardian Corp. Bandpass filters with automatic tuning adjustment
US7072783B2 (en) * 2003-12-03 2006-07-04 Motorola, Inc. Frequency and timing error estimation and corresponding channel characterization in a communication system

Also Published As

Publication number Publication date
WO2001041424A2 (en) 2001-06-07
EP1188306A2 (en) 2002-03-20
CN1357195A (zh) 2002-07-03
US7499694B1 (en) 2009-03-03
CN100382588C (zh) 2008-04-16
KR100743444B1 (ko) 2007-07-30
WO2001041424A3 (en) 2001-12-13
KR20010101886A (ko) 2001-11-15

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