DE602005004322D1 - Programmierbares ZF Filter zum Erreichen eines Kompromisses zwischen DC Offset Unterdrückung und Spiegelfrequenzunterdrückung - Google Patents

Programmierbares ZF Filter zum Erreichen eines Kompromisses zwischen DC Offset Unterdrückung und Spiegelfrequenzunterdrückung

Info

Publication number
DE602005004322D1
DE602005004322D1 DE602005004322T DE602005004322T DE602005004322D1 DE 602005004322 D1 DE602005004322 D1 DE 602005004322D1 DE 602005004322 T DE602005004322 T DE 602005004322T DE 602005004322 T DE602005004322 T DE 602005004322T DE 602005004322 D1 DE602005004322 D1 DE 602005004322D1
Authority
DE
Germany
Prior art keywords
rejection
compromise
programmable
filter
achieve
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.)
Active
Application number
DE602005004322T
Other languages
English (en)
Other versions
DE602005004322T2 (de
Inventor
Meng-An Pan
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.)
Broadcom Corp
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Publication of DE602005004322D1 publication Critical patent/DE602005004322D1/de
Application granted granted Critical
Publication of DE602005004322T2 publication Critical patent/DE602005004322T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/70—Gain control characterized by the gain control parameter
    • H03G2201/706—Gain control characterized by the gain control parameter being quality indicator, e.g. BER,C/I

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Networks Using Active Elements (AREA)
DE602005004322T 2004-03-31 2005-03-01 Programmierbares ZF Filter zum Erreichen eines Kompromisses zwischen DC Offset Unterdrückung und Spiegelfrequenzunterdrückung Active DE602005004322T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/813,270 US7603098B2 (en) 2004-03-31 2004-03-31 Programmable IF frequency filter for enabling a compromise between DC offset rejection and image rejection
US813270 2004-03-31

Publications (2)

Publication Number Publication Date
DE602005004322D1 true DE602005004322D1 (de) 2008-03-06
DE602005004322T2 DE602005004322T2 (de) 2009-01-15

Family

ID=34887701

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005004322T Active DE602005004322T2 (de) 2004-03-31 2005-03-01 Programmierbares ZF Filter zum Erreichen eines Kompromisses zwischen DC Offset Unterdrückung und Spiegelfrequenzunterdrückung

Country Status (5)

Country Link
US (3) US7603098B2 (de)
EP (1) EP1583247B1 (de)
CN (1) CN100433544C (de)
DE (1) DE602005004322T2 (de)
TW (1) TWI271940B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7596195B2 (en) * 2004-03-31 2009-09-29 Broadcom Corporation Bandpass filter with reversible IQ polarity to enable a high side or low side injection receiver architecture
US7603098B2 (en) * 2004-03-31 2009-10-13 Broadcom Corporation Programmable IF frequency filter for enabling a compromise between DC offset rejection and image rejection
JP2006121146A (ja) * 2004-10-19 2006-05-11 Renesas Technology Corp 無線受信機のフィルタ制御方法および装置およびそれを用いた無線受信機用集積回路
US8831552B1 (en) * 2005-06-15 2014-09-09 Marvell International Ltd. RF band pass filter with feedback control
JP4928748B2 (ja) * 2005-06-27 2012-05-09 ルネサスエレクトロニクス株式会社 半導体装置およびその製造方法
US7613439B2 (en) * 2005-09-16 2009-11-03 Broadcom Corporation Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment
US7969222B2 (en) * 2005-09-16 2011-06-28 Broadcom Corporation Method and system for DC offset correction loop for a mobile digital cellular television environment
JP2007221663A (ja) * 2006-02-20 2007-08-30 Neuro Solution Corp 放送信号受信装置
US7711342B2 (en) * 2007-02-27 2010-05-04 Pine Valley Investments, Inc. Signal adjustment techniques
JP2011160214A (ja) * 2010-02-01 2011-08-18 Renesas Electronics Corp 受信装置及びイメージ除去方法
US9269993B2 (en) * 2010-05-04 2016-02-23 Gram Power, Inc. Rechargeable multipurpose smart power source
DE102010043730A1 (de) * 2010-11-10 2012-05-10 Intel Mobile Communications GmbH Strom-Spannungs-Wandler, Empfänger, Verfahren zum Bereitstellen eines Spannungssignals und Verfahren zum Empfangen eines Empfangssignals
GB201907717D0 (en) * 2019-05-31 2019-07-17 Nordic Semiconductor Asa Apparatus and methods for dc-offset estimation
CN114257211B (zh) * 2022-03-02 2022-05-03 华南理工大学 一种可变带宽有源rc滤波器及其增益设置方法

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2049332B (en) * 1979-04-30 1983-03-30 Philips Electronic Associated Active filter
DE3223904A1 (de) 1982-06-26 1983-12-29 Robert Bosch Gmbh, 7000 Stuttgart Filter- und demodulationsschaltung
JPS6090411A (ja) 1983-10-07 1985-05-21 Hitachi Ltd フイルタ集積回路
US5307372A (en) * 1985-07-19 1994-04-26 Clinicom Incorporated Radio transceiver for transmitting and receiving data packets
US4928315A (en) 1987-12-21 1990-05-22 Hughes Aircraft Company Chirped backscatter filter
US4857778A (en) 1988-01-28 1989-08-15 Maxim Integrated Products Programmable universal active filter
NL8801412A (nl) 1988-06-02 1990-01-02 Philips Nv Asymmetrisch polyfase filter.
US4866779A (en) 1988-07-13 1989-09-12 Delco Electronics Corporation Adaptive AM audio processor
GB2223896A (en) 1988-10-12 1990-04-18 Philips Electronic Associated Radio receivers
US5140703A (en) * 1988-10-14 1992-08-18 Payne Christopher P Modulation distortion analyzer
US5028893A (en) 1990-03-21 1991-07-02 Delco Electronics Corporation Switched capacitor filters with continuous time control
FI98580C (fi) 1991-11-14 1997-07-10 Nokia Mobile Phones Ltd Selektiivisyyssuodatus solukkopuhelimessa
US5285502A (en) 1992-03-31 1994-02-08 Auditory System Technologies, Inc. Aid to hearing speech in a noisy environment
US5530722A (en) 1992-10-27 1996-06-25 Ericsson Ge Mobile Communications Inc. Quadrature modulator with integrated distributed RC filters
JPH06202669A (ja) 1992-12-28 1994-07-22 Toshiba Corp 能動消音装置
JP2531353B2 (ja) * 1993-07-21 1996-09-04 日本電気株式会社 無線受信機
JP3079950B2 (ja) * 1995-06-20 2000-08-21 松下電器産業株式会社 直交周波数分割多重変調信号の受信装置及び伝送方法
US5850453A (en) 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
FI98673C (fi) * 1995-08-07 1997-07-25 Nokia Telecommunications Oy Automaattinen radiolähettimen viritys
EP0772359B1 (de) * 1995-10-31 2002-01-16 Koninklijke Philips Electronics N.V. Filtervorrichtung zur Verarbeitung einer Vielzahl von Kanälen in einem Kabelfernsehverteilungssystem
GB9605719D0 (en) 1996-03-19 1996-05-22 Philips Electronics Nv Integrated receiver
US6633550B1 (en) 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
US6009129A (en) * 1997-02-28 1999-12-28 Nokia Mobile Phones Device and method for detection and reduction of intermodulation distortion
US6266522B1 (en) * 1998-02-04 2001-07-24 Ericsson Inc. Apparatus and methods for tuning bandpass filters
EP0948128B1 (de) 1998-04-03 2004-12-01 Motorola Semiconducteurs S.A. Unterdrückung von Gleichspannungsverschiebungen in einem Quadraturempfänger
US6055282A (en) * 1998-04-06 2000-04-25 Motorola Digitally sampled phase quantized FM detector for a communication receiver
DE19829500A1 (de) 1998-07-02 2000-01-13 Thomson Brandt Gmbh Verfahren zur Verbesserung des Nutzsignals in einer Funkempfangseinheit
US6728026B2 (en) 1998-07-14 2004-04-27 Novera Optics, Inc. Dynamically tunable optical amplifier and fiber optic light source
GB9818397D0 (en) 1998-08-25 1998-10-21 Philips Electronics Nv Low if receiver
US6445735B1 (en) 1999-02-08 2002-09-03 Visteon Global Technologies, Inc. Switched bandwidth digital filters with reduced transients during switching
US6441682B1 (en) * 1999-11-23 2002-08-27 Micro Linear Corporation Active polyphase filter with transconductor cross-coupling of filter sections
US6778594B1 (en) * 2000-06-12 2004-08-17 Broadcom Corporation Receiver architecture employing low intermediate frequency and complex filtering
US6437639B1 (en) 2000-07-18 2002-08-20 Lucent Technologies Inc. Programmable RC filter
US7050778B1 (en) * 2000-09-18 2006-05-23 Broadcom Corporation Direct conversion turner
US6968019B2 (en) * 2000-11-27 2005-11-22 Broadcom Corporation IF FSK receiver
US6763230B2 (en) 2001-02-20 2004-07-13 Industrial Technology Research Institute Frequency-lock filtering receiver
GB0117578D0 (en) * 2001-07-19 2001-09-12 Zarlink Semiconductor Ltd Tuner
KR100400922B1 (ko) * 2001-07-21 2003-10-08 엘지전자 주식회사 디지털 필터의 첨예도 자동 조절 회로 및 방법
US20030165203A1 (en) * 2001-08-10 2003-09-04 Rishi Mohindra Quadrature gain and phase imbalance correction in a receiver
US7120410B2 (en) 2001-09-28 2006-10-10 Broadcom Corporation LNA gain adjustment in an RF receiver to compensate for intermodulation interference
US6973296B2 (en) * 2001-12-04 2005-12-06 Intersil Americas Inc. Soft decision gain compensation for receive filter attenuation
US6559740B1 (en) 2001-12-18 2003-05-06 Delta Microwave, Inc. Tunable, cross-coupled, bandpass filter
JP3805258B2 (ja) * 2002-01-29 2006-08-02 松下電器産業株式会社 ダイレクトコンバージョン受信機
US6862439B2 (en) * 2002-06-28 2005-03-01 Nokia Corporation Offset compensation in a direct-conversion receiver
US6892060B2 (en) 2002-06-28 2005-05-10 Institute Of Microelectronics Fully integrated self-tuned image rejection downconversion system
JP4316198B2 (ja) * 2002-07-24 2009-08-19 富士通マイクロエレクトロニクス株式会社 半導体装置、受信機及び半導体装置の制御方法
US6718167B2 (en) * 2002-08-01 2004-04-06 Agere Systems Inc. Filter center frequency temperature compensation by adjustment of the operating frequency of the host system
ATE438265T1 (de) 2002-08-05 2009-08-15 Sony Ericsson Mobile Comm Ab Schaltung zur ansteuerung kleiner elektrodynamischer wandler in audiosystemen in abhängigkeit von merkmalen des eingangssignals
JP2004180281A (ja) * 2002-11-13 2004-06-24 Renesas Technology Corp 直交ミキサ回路及びそれを用いた携帯端末
US6917252B1 (en) 2003-04-28 2005-07-12 Adam S. Wyszynski Fully integrated automatically-tuned RF and IF active bandpass filters
US7295816B2 (en) 2003-06-30 2007-11-13 Crestcom, Inc. Methods and apparatus for controlling signals
US7454184B2 (en) 2003-12-02 2008-11-18 Skyworks Solutions, Inc. DC offset cancellation in a wireless receiver
US7098731B1 (en) 2004-01-13 2006-08-29 Wyszynski Adam S Synthesis method for an active polyphase filter
US7603098B2 (en) 2004-03-31 2009-10-13 Broadcom Corporation Programmable IF frequency filter for enabling a compromise between DC offset rejection and image rejection
US7596195B2 (en) 2004-03-31 2009-09-29 Broadcom Corporation Bandpass filter with reversible IQ polarity to enable a high side or low side injection receiver architecture
US20060009186A1 (en) * 2004-07-08 2006-01-12 Bin Liu Receiver front-end filtering using low pass filtering and equalization
US7138873B2 (en) 2004-11-17 2006-11-21 Chandra Gaurav Filter circuit providing low distortion and enhanced flexibility to obtain variable gain amplification

Also Published As

Publication number Publication date
TW200610286A (en) 2006-03-16
US20050221788A1 (en) 2005-10-06
CN100433544C (zh) 2008-11-12
US7376409B2 (en) 2008-05-20
US7603098B2 (en) 2009-10-13
TWI271940B (en) 2007-01-21
EP1583247B1 (de) 2008-01-16
US7603085B2 (en) 2009-10-13
EP1583247A1 (de) 2005-10-05
US20050221789A1 (en) 2005-10-06
DE602005004322T2 (de) 2009-01-15
US20050221783A1 (en) 2005-10-06
CN1677843A (zh) 2005-10-05

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOSCH JEHLE PATENTANWALTSGESELLSCHAFT MBH, 80639 M