FI20002652A0 - Menetelmä suodattimen virittämiseksi - Google Patents

Menetelmä suodattimen virittämiseksi

Info

Publication number
FI20002652A0
FI20002652A0 FI20002652A FI20002652A FI20002652A0 FI 20002652 A0 FI20002652 A0 FI 20002652A0 FI 20002652 A FI20002652 A FI 20002652A FI 20002652 A FI20002652 A FI 20002652A FI 20002652 A0 FI20002652 A0 FI 20002652A0
Authority
FI
Finland
Prior art keywords
tuning
procedure
filter
Prior art date
Application number
FI20002652A
Other languages
English (en)
Swedish (sv)
Other versions
FI109624B (fi
FI20002652A (fi
Inventor
Tomi-Pekka Takalo
Petri Helioe
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI20002652A priority Critical patent/FI109624B/fi
Publication of FI20002652A0 publication Critical patent/FI20002652A0/fi
Priority to EP01660218A priority patent/EP1213834A3/en
Priority to US10/000,394 priority patent/US7158774B2/en
Priority to JP2001369778A priority patent/JP2002217682A/ja
Publication of FI20002652A publication Critical patent/FI20002652A/fi
Application granted granted Critical
Publication of FI109624B publication Critical patent/FI109624B/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1252—Two integrator-loop-filters
    • 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
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/28—Automatic self-alignment of a receiver
FI20002652A 2000-12-04 2000-12-04 Menetelmä suodattimen virittämiseksi FI109624B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20002652A FI109624B (fi) 2000-12-04 2000-12-04 Menetelmä suodattimen virittämiseksi
EP01660218A EP1213834A3 (en) 2000-12-04 2001-11-29 A method for tuning a filter
US10/000,394 US7158774B2 (en) 2000-12-04 2001-11-30 Method for tuning a filter
JP2001369778A JP2002217682A (ja) 2000-12-04 2001-12-04 フィルタの同調方法、フィルタ、電子装置および無線通信装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20002652A FI109624B (fi) 2000-12-04 2000-12-04 Menetelmä suodattimen virittämiseksi
FI20002652 2000-12-04

Publications (3)

Publication Number Publication Date
FI20002652A0 true FI20002652A0 (fi) 2000-12-04
FI20002652A FI20002652A (fi) 2002-06-05
FI109624B FI109624B (fi) 2002-09-13

Family

ID=8559635

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002652A FI109624B (fi) 2000-12-04 2000-12-04 Menetelmä suodattimen virittämiseksi

Country Status (4)

Country Link
US (1) US7158774B2 (fi)
EP (1) EP1213834A3 (fi)
JP (1) JP2002217682A (fi)
FI (1) FI109624B (fi)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7031690B2 (en) * 2002-03-29 2006-04-18 Agere Systems Inc. Polyphase filter with low-pass response
US6915114B2 (en) * 2002-05-07 2005-07-05 Broadcom, Corp. Direct tuning of embedded integrated circuit components
US6996399B2 (en) * 2003-01-13 2006-02-07 Micrel, Inc. Wireless device and method using frequency hopping and sweep modes
US7486338B1 (en) * 2003-04-28 2009-02-03 Wyszynski Adam S Fully integrated terrestrial TV tuner architecture
US7039385B1 (en) * 2003-06-02 2006-05-02 Rockwell Collins, Inc. Method and apparatus for automatic center frequency tuning of tunable bandpass filters
US7376400B2 (en) * 2003-09-25 2008-05-20 Texas Instruments Incorporated System and method for digital radio receiver
JP4294455B2 (ja) * 2003-12-03 2009-07-15 パイオニア株式会社 受信機
US7398065B1 (en) * 2004-08-31 2008-07-08 Rockwell Collins, Inc. Programmable sampling band pass filter
EP1958406A1 (en) * 2005-12-01 2008-08-20 Thomson Licensing Method and apparatus for determining frequency offset in a receiver
US7720141B2 (en) * 2006-09-05 2010-05-18 Advanced Micro Devices, Inc. Decision feedback restore of DC signals in a receiver
KR20080060042A (ko) * 2006-12-26 2008-07-01 삼성전자주식회사 영상재생장치 및 그 화질개선방법
US8116706B1 (en) * 2007-01-05 2012-02-14 Marvell International Ltd. Method and apparatus for calibrating a bandpass filter
JP4820764B2 (ja) * 2007-01-19 2011-11-24 パナソニック株式会社 利得制御フィルタ装置、利得制御複素フィルタ装置および受信装置
US8244197B2 (en) 2007-03-29 2012-08-14 Panasonic Corporation Receiving device and electronic equipment using the same
US8494470B2 (en) 2008-11-25 2013-07-23 Silicon Laboratories Inc. Integrated receivers and integrated circuit having integrated inductors
US8145170B2 (en) * 2008-11-25 2012-03-27 Silicon Laboratories Inc. Low-cost receiver using tracking bandpass filter and lowpass filter
US8145172B2 (en) * 2008-11-25 2012-03-27 Silicon Laboratories Inc. Low-cost receiver using tracking filter
ES2332497B2 (es) * 2009-05-25 2010-05-25 Universidad Politecnica De Madrid Sistema y metodo adaptativo monobit de correcion de desbalances de fase y amplitud en demoduladores iq.
JP2011061502A (ja) * 2009-09-10 2011-03-24 Icom Inc 受信機およびチューニング方法
FR2954632B1 (fr) * 2009-12-23 2012-05-04 Thales Sa Dispositif de detection de signaux impulsionnels comprenant une fonction de detection d'emmelement d'impulsions.
US20120042193A1 (en) * 2010-08-13 2012-02-16 Apple Inc. Clock frequency selection scheme
US8983417B2 (en) 2012-01-03 2015-03-17 Silicon Laboratories Inc. Low-cost receiver using integrated inductors
US8725103B2 (en) 2012-01-03 2014-05-13 Silicon Laboratories Inc. Receiver including a tracking filter
CN104753496A (zh) * 2015-04-09 2015-07-01 西安电子科技大学 一种频带自调谐三级复数带通滤波器
JP2019106575A (ja) * 2017-12-08 2019-06-27 ルネサスエレクトロニクス株式会社 無線受信機、及び中間周波数信号生成方法
RU2701095C1 (ru) * 2019-03-11 2019-09-24 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Низкочувствительный полосовой фильтр с независимой подстройкой основных параметров

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065453A (en) * 1989-03-20 1991-11-12 General Electric Company Electrically-tunable bandpass filter
US5101509A (en) * 1990-09-14 1992-03-31 Ford Motor Company Rf filter alignment using digital processor clock
US5287556A (en) * 1990-09-28 1994-02-15 Motorola, Inc. Interference reduction using an adaptive receiver filter, signal strength, and BER sensing
US5193210A (en) 1991-07-29 1993-03-09 Abc Auto Alarms, Inc. Low power RF receiver
US5280638A (en) * 1991-09-06 1994-01-18 Ford Motor Company RF filter self-alignment for multiband radio receiver
DE4329705A1 (de) * 1993-09-02 1995-03-09 Froehlich Reimar Dr Ing Schaltungsanordnung für mikrorechnersteuerbare Induktivitäten, Kapazitäten und L/C-Schaltungen
JPH08154062A (ja) * 1994-11-28 1996-06-11 Nec Corp 信号品質を用いた帯域切り換え受信方式
JPH09298477A (ja) * 1995-06-29 1997-11-18 Sony Corp 短波受信機およびローパスフィルタ
US6553216B1 (en) * 1995-12-14 2003-04-22 Thomson Licensing, S.A. RF tunable filter arrangement with tunable image trap
US6011770A (en) 1997-12-10 2000-01-04 Texas Instrumental Incorporated Method and apparatus for high-order bandpass filter with linearly adjustable bandwidth
US6266522B1 (en) * 1998-02-04 2001-07-24 Ericsson Inc. Apparatus and methods for tuning bandpass filters
US6097269A (en) * 1999-02-01 2000-08-01 Motorola, Inc. Electrically tunable band pass filter with symmetrical low-side and high-side protection
US6778594B1 (en) * 2000-06-12 2004-08-17 Broadcom Corporation Receiver architecture employing low intermediate frequency and complex filtering
DE10044456A1 (de) * 2000-09-08 2002-04-04 Infineon Technologies Ag Empfängerschaltung, innsbesondere für den Mobilfunk
GB0126219D0 (en) * 2001-11-01 2002-01-02 Koninkl Philips Electronics Nv Tunable filter

Also Published As

Publication number Publication date
FI109624B (fi) 2002-09-13
US20020068541A1 (en) 2002-06-06
US7158774B2 (en) 2007-01-02
JP2002217682A (ja) 2002-08-02
EP1213834A3 (en) 2004-05-19
EP1213834A2 (en) 2002-06-12
FI20002652A (fi) 2002-06-05

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Legal Events

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MA Patent expired