CN1156072C - 具有数字互调控制的前馈放大器电路 - Google Patents
具有数字互调控制的前馈放大器电路 Download PDFInfo
- Publication number
- CN1156072C CN1156072C CNB988125315A CN98812531A CN1156072C CN 1156072 C CN1156072 C CN 1156072C CN B988125315 A CNB988125315 A CN B988125315A CN 98812531 A CN98812531 A CN 98812531A CN 1156072 C CN1156072 C CN 1156072C
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- 239000002131 composite material Substances 0.000 claims abstract description 11
- 230000003321 amplification Effects 0.000 claims description 31
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 31
- 238000005070 sampling Methods 0.000 claims description 29
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 230000004044 response Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 19
- 238000007792 addition Methods 0.000 description 9
- 230000008676 import Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 230000006872 improvement Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 230000017105 transposition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/996,754 US5912586A (en) | 1997-12-23 | 1997-12-23 | Feed forward amplifier with digital intermodulation control |
US08/996,754 | 1997-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1283326A CN1283326A (zh) | 2001-02-07 |
CN1156072C true CN1156072C (zh) | 2004-06-30 |
Family
ID=25543268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB988125315A Expired - Fee Related CN1156072C (zh) | 1997-12-23 | 1998-08-10 | 具有数字互调控制的前馈放大器电路 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5912586A (zh) |
EP (1) | EP1040569A4 (zh) |
JP (1) | JP4236814B2 (zh) |
KR (1) | KR100356250B1 (zh) |
CN (1) | CN1156072C (zh) |
CA (1) | CA2314108C (zh) |
WO (1) | WO1999033167A1 (zh) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11261343A (ja) * | 1998-03-10 | 1999-09-24 | Fujitsu Ltd | フィードフォーワード増幅器 |
US6339701B1 (en) * | 1998-06-17 | 2002-01-15 | Lucent Technologies, Inc. | Method and apparatus for extending the dynamic range of a frequency mixer |
US6144255A (en) * | 1998-10-19 | 2000-11-07 | Powerwave Technologies, Inc. | Feedforward amplification system having mask detection compensation |
US6493543B1 (en) * | 1998-10-19 | 2002-12-10 | Powerwave Technologies, Inc. | Multichannel amplification system using mask detection |
US6140874A (en) * | 1998-10-19 | 2000-10-31 | Powerwave Technologies, Inc. | Amplification system having mask detection and bias compensation |
US6111462A (en) * | 1998-11-18 | 2000-08-29 | Mucenieks; Lance T. | RF power amplifier linearization using parallel RF power amplifiers having intermod-complementing predistortion paths |
US6198346B1 (en) * | 1998-11-18 | 2001-03-06 | At&T Corp. | Adaptive linear amplifier without output power loss |
US6104241A (en) * | 1998-11-18 | 2000-08-15 | Spectrian | High efficiency feed-forward RF power amplifier with predistoration enchancement |
US6359509B1 (en) | 1999-04-29 | 2002-03-19 | Netcom, Inc. | Balanced error correction amplifier and method of removing distortion from an amplified signal |
US6348838B1 (en) * | 1999-04-29 | 2002-02-19 | Netcom, Inc. | Optimal power combining for balanced error correction amplifier |
US6172564B1 (en) * | 1999-07-30 | 2001-01-09 | Eugene Rzyski | Intermodulation product cancellation circuit |
JP3949322B2 (ja) * | 1999-09-01 | 2007-07-25 | 三菱電機株式会社 | フィードフォワード増幅器 |
JP4256057B2 (ja) | 1999-09-30 | 2009-04-22 | 株式会社東芝 | 非線形補償器 |
DE69932723T2 (de) * | 1999-09-30 | 2007-09-06 | Kabushiki Kaisha Toshiba, Kawasaki | Nichtlineare Korrekturvorrichtung |
US6424213B1 (en) | 2000-04-22 | 2002-07-23 | Netcom, Inc. | Loss reduction using multiple amplifiers identically divided |
US7053702B2 (en) * | 2000-11-20 | 2006-05-30 | Soma Networks, Inc. | Feed forward amplifier |
US6677823B2 (en) | 2001-02-28 | 2004-01-13 | Andrew Corporation | Gain compensation circuit using a variable offset voltage |
US20020146996A1 (en) * | 2001-03-06 | 2002-10-10 | Bachman Thomas A. | Scanning receiver for use in power amplifier linearization |
US6829471B2 (en) | 2001-03-07 | 2004-12-07 | Andrew Corporation | Digital baseband receiver in a multi-carrier power amplifier |
US7436900B2 (en) * | 2001-03-28 | 2008-10-14 | Lucent Technologies Inc. | Intermodulation distortion identification and quantization circuit for a linear amplifier system |
US7015751B2 (en) * | 2001-06-28 | 2006-03-21 | Simon Fraser University | Decorrelated power amplifier linearizers |
KR100442537B1 (ko) * | 2001-11-16 | 2004-08-04 | 주식회사 썬웨이브텍 | Pimd 신호 제거 장치 및 이를 이용한 이동통신용 중계기 |
US7657241B2 (en) * | 2002-02-01 | 2010-02-02 | Qualcomm, Incorporated | Distortion reduction calibration |
US6850115B2 (en) * | 2002-08-26 | 2005-02-01 | Powerwave Technologies, Inc. | Enhanced efficiency LDMOS based feed forward amplifier |
US7403573B2 (en) * | 2003-01-15 | 2008-07-22 | Andrew Corporation | Uncorrelated adaptive predistorter |
US7729668B2 (en) | 2003-04-03 | 2010-06-01 | Andrew Llc | Independence between paths that predistort for memory and memory-less distortion in power amplifiers |
US6972622B2 (en) * | 2003-05-12 | 2005-12-06 | Andrew Corporation | Optimization of error loops in distributed power amplifiers |
US7259630B2 (en) * | 2003-07-23 | 2007-08-21 | Andrew Corporation | Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter |
US6963242B2 (en) * | 2003-07-31 | 2005-11-08 | Andrew Corporation | Predistorter for phase modulated signals with low peak to average ratios |
US7023273B2 (en) * | 2003-10-06 | 2006-04-04 | Andrew Corporation | Architecture and implementation methods of digital predistortion circuitry |
US20050200408A1 (en) * | 2004-03-15 | 2005-09-15 | Benjamin James A. | Method and apparatus for feed forward linearization of wideband RF amplifiers |
EP1717949A1 (en) * | 2005-04-21 | 2006-11-02 | Siemens Aktiengesellschaft | Method and apparatus for reducing nonlinear distortions in generating a high frequency signal |
KR100803032B1 (ko) * | 2006-10-19 | 2008-02-18 | 지씨티 세미컨덕터 인코포레이티드 | 과도 신호를 보상하기 위한 수신기, 디지털 신호 처리부 및 디지털 신호 처리 방법 |
US20080102773A1 (en) * | 2006-10-31 | 2008-05-01 | Motorola, Inc. | Method and apparatus to facilitate use of intermodulation product results to control gain for a received wireless signal |
US7605660B1 (en) * | 2007-11-12 | 2009-10-20 | Rf Micro Devices, Inc. | Linear multi-stage transimpedance amplifier |
DE102009024548B4 (de) * | 2008-06-16 | 2013-10-31 | Dev Systemtechnik Gmbh & Co. Kg | Verfahren und Vorrichtung zur Überwachung einer elektronischen Schaltung |
WO2012134120A2 (ko) * | 2011-03-25 | 2012-10-04 | 엘지전자 주식회사 | 복수의 컴포넌트 캐리어를 지원하는 무선통신 시스템에서 기지국이 복수의 cc에 대한 tdd 구성 정보를 전송 및 수신하는 방법과 이를 위한 장치 |
EP2582043A1 (en) * | 2011-10-10 | 2013-04-17 | Astrium Limited | Control system for a power amplifier |
CN103312274B (zh) * | 2012-03-16 | 2016-03-16 | 京信通信系统(中国)有限公司 | 一种前馈放大器的数字控制方法及数字化前馈放大器 |
CN104779969B (zh) * | 2015-05-07 | 2017-03-29 | 电子科技大学 | 一种具有高动态接收机的全双工系统及其使用方法 |
US9998158B2 (en) | 2015-05-27 | 2018-06-12 | Finesse Wireless, Inc. | Cancellation of spurious intermodulation products produced in nonlinear channels by frequency hopped signals and spurious signals |
US9831835B2 (en) * | 2016-02-26 | 2017-11-28 | Nxp Usa, Inc. | Multiple path amplifier with pre-cancellation |
WO2019047041A1 (zh) * | 2017-09-05 | 2019-03-14 | 鹤壁天海电子信息系统有限公司 | 一种前馈放大器及其互调分量的检测方法 |
CN110208674B (zh) * | 2019-05-08 | 2021-05-25 | 天津大学 | 一种用于非线性辐射信号检测的定向耦合近场探针及系统 |
US11451366B2 (en) * | 2020-01-16 | 2022-09-20 | Mediatek Inc. | Lead-on detection circuitry of biopotential acquisition system |
US11456760B1 (en) * | 2021-03-05 | 2022-09-27 | Motorola Solutions, Inc. | Linearizing narrowband carriers with low resolution predistorters |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361892A (en) * | 1980-11-03 | 1982-11-30 | Bell Telephone Laboratories, Incorporated | Adaptive equalizer |
US4879519A (en) * | 1988-10-31 | 1989-11-07 | American Telephone And Telegraph Company, At&T Bell Labs | Predistortion compensated linear amplifier |
JPH03188738A (ja) * | 1989-12-19 | 1991-08-16 | Kokusai Denshin Denwa Co Ltd <Kdd> | Psk信号復調方式及び装置 |
CA2046413C (en) * | 1990-07-11 | 1994-01-04 | Shoichi Narahashi | Feed-forward amplifier |
US5119040A (en) * | 1991-01-04 | 1992-06-02 | Motorola, Inc. | Method and apparatus for optimizing the performance of a power amplifier circuit |
US5130663A (en) * | 1991-04-15 | 1992-07-14 | Motorola, Inc. | Feed forward amplifier network with frequency swept pilot tone |
US5386198A (en) * | 1993-01-28 | 1995-01-31 | Telefonaktiebolaget L M Ericsson | Linear amplifier control |
-
1997
- 1997-12-23 US US08/996,754 patent/US5912586A/en not_active Expired - Lifetime
-
1998
- 1998-08-10 WO PCT/US1998/016657 patent/WO1999033167A1/en active IP Right Grant
- 1998-08-10 CN CNB988125315A patent/CN1156072C/zh not_active Expired - Fee Related
- 1998-08-10 JP JP2000525967A patent/JP4236814B2/ja not_active Expired - Fee Related
- 1998-08-10 CA CA002314108A patent/CA2314108C/en not_active Expired - Fee Related
- 1998-08-10 KR KR1020007007044A patent/KR100356250B1/ko not_active IP Right Cessation
- 1998-08-10 EP EP98943185A patent/EP1040569A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1040569A1 (en) | 2000-10-04 |
CA2314108A1 (en) | 1999-07-01 |
EP1040569A4 (en) | 2004-05-26 |
JP4236814B2 (ja) | 2009-03-11 |
CA2314108C (en) | 2002-09-24 |
CN1283326A (zh) | 2001-02-07 |
US5912586A (en) | 1999-06-15 |
KR100356250B1 (ko) | 2002-10-12 |
WO1999033167A1 (en) | 1999-07-01 |
KR20010033536A (ko) | 2001-04-25 |
JP2001527311A (ja) | 2001-12-25 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110111 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110111 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160315 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040630 Termination date: 20170810 |
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CF01 | Termination of patent right due to non-payment of annual fee |