DE60001960T2 - Automatische verstärkungsregelung und offsetkorrektur - Google Patents

Automatische verstärkungsregelung und offsetkorrektur

Info

Publication number
DE60001960T2
DE60001960T2 DE60001960T DE60001960T DE60001960T2 DE 60001960 T2 DE60001960 T2 DE 60001960T2 DE 60001960 T DE60001960 T DE 60001960T DE 60001960 T DE60001960 T DE 60001960T DE 60001960 T2 DE60001960 T2 DE 60001960T2
Authority
DE
Germany
Prior art keywords
automatic gain
offset
gain control
feed forward
offset correction
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
DE60001960T
Other languages
English (en)
Other versions
DE60001960D1 (de
Inventor
Evan Macnally
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.)
Level One Communications Inc
Original Assignee
Level One Communications Inc
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 Level One Communications Inc filed Critical Level One Communications Inc
Publication of DE60001960D1 publication Critical patent/DE60001960D1/de
Application granted granted Critical
Publication of DE60001960T2 publication Critical patent/DE60001960T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • 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
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
DE60001960T 1999-05-24 2000-05-24 Automatische verstärkungsregelung und offsetkorrektur Expired - Lifetime DE60001960T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13548099P 1999-05-24 1999-05-24
PCT/US2000/014301 WO2000072441A1 (en) 1999-05-24 2000-05-24 Automatic gain control and offset correction

Publications (2)

Publication Number Publication Date
DE60001960D1 DE60001960D1 (de) 2003-05-08
DE60001960T2 true DE60001960T2 (de) 2003-11-13

Family

ID=22468296

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60001960T Expired - Lifetime DE60001960T2 (de) 1999-05-24 2000-05-24 Automatische verstärkungsregelung und offsetkorrektur

Country Status (5)

Country Link
US (1) US6516185B1 (de)
EP (1) EP1201029B1 (de)
AT (1) ATE236474T1 (de)
DE (1) DE60001960T2 (de)
WO (1) WO2000072441A1 (de)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5976819A (en) * 1995-11-21 1999-11-02 National Jewish Medical And Research Center Product and process to regulate actin polymerization in T lymphocytes
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6560301B1 (en) * 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6542722B1 (en) * 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6879817B1 (en) * 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7292835B2 (en) * 2000-01-28 2007-11-06 Parkervision, Inc. Wireless and wired cable modem applications of universal frequency translation technology
US7010286B2 (en) * 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
FR2808157B1 (fr) * 2000-04-21 2002-07-26 St Microelectronics Sa Synthonisateur du type a frequence intermediaire nulle et procede de commande correspondant
US7068987B2 (en) 2000-10-02 2006-06-27 Conexant, Inc. Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
US6748200B1 (en) * 2000-10-02 2004-06-08 Mark A. Webster Automatic gain control system and method for a ZIF architecture
US6977978B1 (en) * 2000-10-02 2005-12-20 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive channel filtration for communications systems
US7010559B2 (en) * 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US6697611B1 (en) * 2000-11-14 2004-02-24 Intel Corporation Method and apparatus for performing DC offset cancellation in a receiver
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US6766157B1 (en) * 2001-01-03 2004-07-20 Kyocera Wireless Corp. Reducing LO leakage in a direct conversion receiver quadrature stage
US7076225B2 (en) 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
US20020131514A1 (en) * 2001-03-13 2002-09-19 Ng Jason Wee Peng Waveform diversity for communication using pulse decoding
US6831957B2 (en) * 2001-03-14 2004-12-14 Texas Instruments Incorporated System and method of dual mode automatic gain control for a digital radio receiver
US6771720B1 (en) * 2001-03-30 2004-08-03 Skyworks Solutions, Inc. Amplification control scheme for a receiver
AU2002305309A1 (en) * 2001-05-01 2002-11-11 Matsushita Communication Industrial Corporation Of U.S.A. Frequency conversion by undersampling
KR20030016747A (ko) * 2001-08-21 2003-03-03 엘지전자 주식회사 이동통신 단말기의 광대역 수신장치
US6925295B1 (en) * 2001-08-29 2005-08-02 Analog Devices, Inc. Offset cancellation system for a communication system receiver
FR2830997B1 (fr) * 2001-10-12 2004-02-13 Thomson Licensing Sa Procede de controle de gain pour recepteur de signaux transmis par rafales et recepteur l'exploitant
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US20050111587A1 (en) * 2001-11-30 2005-05-26 Masayoshi Abe Demodulator and receiver using same
JP3852919B2 (ja) * 2001-12-25 2006-12-06 株式会社東芝 無線受信機
US7020449B2 (en) * 2002-10-21 2006-03-28 Broadcom Corporation Fast settling variable gain amplifier with DC offset cancellation
JP3984482B2 (ja) * 2002-02-04 2007-10-03 富士通株式会社 Ｄｃオフセットキャンセル回路
US6700514B2 (en) * 2002-03-14 2004-03-02 Nec Corporation Feed-forward DC-offset canceller for direct conversion receiver
TW595128B (en) * 2002-04-09 2004-06-21 Mstar Semiconductor Inc Radio frequency data communication device in CMOS process
DE10219362B4 (de) 2002-04-30 2009-12-31 Advanced Micro Devices, Inc., Sunnyvale Automatische Verstärkungssteuerung für einen Direktumsetzer und Verfahren zum Steuern der Verstärkung eines Basisbandsignals in einem derartigen Empfänger
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US6567022B1 (en) * 2002-08-12 2003-05-20 Lsi Corporation Matching calibration for dual analog-to-digital converters
US20050078775A1 (en) * 2002-09-23 2005-04-14 Martin Hellmark Mitigating the impact of phase steps
US7027793B2 (en) * 2002-11-15 2006-04-11 Qualcomm Incorporated Direct conversion with variable amplitude LO signals
WO2004047292A1 (en) * 2002-11-15 2004-06-03 Koninklijke Philips Electronics N.V. Adaptive hysteresis for reduced swing signalling circuits
US7209525B2 (en) * 2002-11-18 2007-04-24 Agere Systems Inc. Clock and data recovery with extended integration cycles
JP4230762B2 (ja) * 2002-12-20 2009-02-25 株式会社ルネサステクノロジ ダイレクトコンバージョン受信機
JP4222368B2 (ja) * 2003-02-20 2009-02-12 日本電気株式会社 信号処理装置、及びダイレクトコンバージョン受信装置
US7139542B2 (en) * 2003-03-03 2006-11-21 Nokia Corporation Method and apparatus for compensating DC level in an adaptive radio receiver
US20040176056A1 (en) * 2003-03-07 2004-09-09 Shen Feng Single-tone detection and adaptive gain control for direct-conversion receivers
US7197091B1 (en) * 2003-05-06 2007-03-27 Ami Semiconductor, Inc. Direct conversion receiver with direct current offset correction circuitry
US7146141B2 (en) * 2003-05-15 2006-12-05 Via Technologies, Inc. Direct conversion receiver with DC offset compensation and method thereof
US7239199B1 (en) 2003-05-22 2007-07-03 Marvell International Ltd. Amplifier calibration
US20040242177A1 (en) * 2003-05-28 2004-12-02 Fodus Communications, Inc. Wireless LAN receiver with packet level automatic gain control
US7280812B2 (en) * 2003-06-06 2007-10-09 Interdigital Technology Corporation Digital baseband receiver with DC discharge and gain control circuits
US7280618B2 (en) * 2003-06-25 2007-10-09 Interdigital Technology Corporation Digital baseband receiver including a high pass filter compensation module for suppressing group delay variation distortion incurred due to analog high pass filter deficiencies
SE0302156D0 (sv) * 2003-08-01 2003-08-01 Infineon Technologies Ag Low-latency DC compensation
JP4289667B2 (ja) * 2003-09-16 2009-07-01 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 可変利得制御回路および受信装置
US7126421B2 (en) * 2003-09-23 2006-10-24 Powerwave Technologies, Inc. Method for aligning feed forward loops
US7376400B2 (en) * 2003-09-25 2008-05-20 Texas Instruments Incorporated System and method for digital radio receiver
KR100565306B1 (ko) * 2003-11-22 2006-03-30 엘지전자 주식회사 이동통신 수신단의 증폭 오프셋 조정장치
WO2005055447A1 (ja) 2003-12-01 2005-06-16 Matsushita Electric Industrial Co., Ltd. 受信装置及び受信方法
US7164901B2 (en) * 2003-12-24 2007-01-16 Agency For Science, Technology And Research DC offset-free RF front-end circuits and systems for direct conversion receivers
EP2075908A3 (de) 2004-04-30 2009-07-22 Telegent Systems, Inc. Integrierter Analogvideoempfänger
US7508451B2 (en) 2004-04-30 2009-03-24 Telegent Systems, Inc. Phase-noise mitigation in an integrated analog video receiver
TWI290422B (en) * 2005-06-09 2007-11-21 Via Tech Inc Circuit for DC offset cancellation
US7321324B2 (en) * 2005-06-30 2008-01-22 Silicon Laboratories Inc. Unconditionally stable analog-to-digital converter
KR100653641B1 (ko) * 2005-11-22 2006-12-06 삼성전자주식회사 수신 신호에서 리키지 성분을 완전히 제거하는 ｒｆ 수신장치 및 방법
US7295073B2 (en) * 2006-01-19 2007-11-13 Mediatek Inc. Automatic gain control apparatus
EP2002556B1 (de) * 2006-03-17 2009-09-23 STMicroelectronics S.r.l. Elektronische synchrone/asynchrone sender-/empfängereinrichtung für stromleitungs-kommunikationsnetze
KR100737747B1 (ko) 2006-08-25 2007-07-10 (주)카이로넷 송신기의 미스매치를 보상하는 방법 및 장치
US7986929B2 (en) 2006-12-08 2011-07-26 Silicon Laboratories Inc. Providing channel filtering in an automatic frequency control path
JP2009088972A (ja) * 2007-09-28 2009-04-23 Toshiba Corp 無線通信の受信装置
US8485075B1 (en) 2010-05-18 2013-07-16 Gauthier Biomedical, Inc. Electronic torque wrench
US9358672B2 (en) 2010-05-18 2016-06-07 Gauthier Biomedical, Inc. Electronic torque wrench
CN103262426B (zh) 2010-12-07 2015-07-01 马维尔国际贸易有限公司 使用基带电路的rf峰值检测方案
KR102151697B1 (ko) 2014-02-13 2020-09-03 삼성전자 주식회사 Ecg 센서 및 이의 신호 처리 방법
US10079647B2 (en) 2014-12-10 2018-09-18 Nxp Usa, Inc. DC offset calibration of wireless receivers
US9608587B2 (en) 2015-06-25 2017-03-28 Freescale Semiconductor, Inc. Systems and methods to dynamically calibrate and adjust gains in a direct conversion receiver
CN106656113A (zh) * 2016-11-24 2017-05-10 北京无线电测量研究所 一种cmos差分调制脉冲检波电路及方法
CN108956650B (zh) * 2017-05-25 2021-09-24 北京君和信达科技有限公司 探测器增益自动配置方法、装置、系统及存储介质
KR101924906B1 (ko) * 2017-07-17 2019-02-27 전자부품연구원 이득 제어 장치 및 방법
US11677594B1 (en) * 2022-03-29 2023-06-13 Novatek Microelectronics Corp. Receiver and automatic offset cancellation method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5095533A (en) 1990-03-23 1992-03-10 Rockwell International Corporation Automatic gain control system for a direct conversion receiver
US5241702A (en) * 1990-09-06 1993-08-31 Telefonaktiebolaget L M Ericsson D.c. offset compensation in a radio receiver
US5249203A (en) * 1991-02-25 1993-09-28 Rockwell International Corporation Phase and gain error control system for use in an i/q direct conversion receiver
US5568520A (en) * 1995-03-09 1996-10-22 Ericsson Inc. Slope drift and offset compensation in zero-IF receivers
JPH09224059A (ja) * 1996-02-15 1997-08-26 General Res Of Electron Inc 直接変換ｆｓｋ受信機
US5838735A (en) 1996-07-08 1998-11-17 Telefonaktiebolaget Lm Ericsson Method and apparatus for compensating for a varying d.c. offset in a sampled signal
CN1101091C (zh) * 1996-09-06 2003-02-05 皇家菲利浦电子有限公司 零中频接收机
US6031878A (en) * 1997-02-28 2000-02-29 Maxim Integrated Products, Inc. Direct-conversion tuner integrated circuit for direct broadcast satellite television
FR2760926B1 (fr) * 1997-03-13 1999-04-16 Alsthom Cge Alcatel Dispositif de supression des sauts parasites de composante continue pour recepteur radio de type frequence intermediaire zero et procede de suppression correspondant
US6192225B1 (en) * 1998-04-22 2001-02-20 Ericsson Inc. Direct conversion receiver
US6370205B1 (en) * 1999-07-02 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for performing DC-offset compensation in a radio receiver

Also Published As

Publication number Publication date
EP1201029A1 (de) 2002-05-02
DE60001960D1 (de) 2003-05-08
US6516185B1 (en) 2003-02-04
ATE236474T1 (de) 2003-04-15
WO2000072441A1 (en) 2000-11-30
EP1201029B1 (de) 2003-04-02

Similar Documents

Publication Publication Date Title
DE60001960T2 (de) Automatische verstärkungsregelung und offsetkorrektur
EP2273674A3 (de) Direktumwandlungs-Empfängerarchitektur
WO2004047308A3 (en) Wireless local area network repeater with detection
CA2623941A1 (en) Improved control of switcher regulated power amplifier modules
US20050170867A1 (en) Booster amplifier for cellular telephone cradles
WO2003007023A3 (en) Control architecture and method for optical amplifiers
AU2002223383A1 (en) Method and apparatus for adaptive digital predistortion in radio transmitter
ATE438229T1 (de) Empfänger-dc-offset-korrektur
EP0895351A3 (de) Vorrichtung zur automatischen Verstärkungsregelung für Mikrowellen
ATE522025T1 (de) Vorwärtskopplungs-leistungsverstärker mit erweitertem wirkungsgrad mit reduzierter aufhebungsbandbreite und kleinfehlerverstärker
CA2293337A1 (en) Dynamic predistortion compensation for a power amplifier
CA2293241A1 (en) Adaptive biasing in a power amplifier
US6744316B2 (en) Method and apparatus far reduction of distortion in a transmitter
US6819173B2 (en) Method and apparatus for reduction of distortion in a transmitter
JP4322744B2 (ja) フィードフォワードリニア増幅器
KR20000061403A (ko) 자동이득 조절을 위한 무선주파수 중계 증폭장치
KR20110027023A (ko) 음성처리장치 및 방법
AU2003293522A1 (en) Feed forward amplifier system using penalties and floors for optimal control
WO2007008314A3 (en) Rf receiver, wireless communication terminal and method of operation
KR20020049741A (ko) 피디엠신호를 이용한 전력증폭기의 이득제어장치
KR100600969B1 (ko) 역방향 전력 제어를 위한 이동통신 단말기
JPH04246917A (ja) 無線送信機
KR20010059473A (ko) 이동통신 단말기의 송신장치 및 방법
KR20030028932A (ko) 광 중계기용 온도 보상 장치
KR20010028925A (ko) 이동 전화 단말기의 전력 증폭기

Legal Events

Date Code Title Description
8364 No opposition during term of opposition