CN100472948C - 前馈放大器和操作方法 - Google Patents

前馈放大器和操作方法 Download PDF

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Publication number
CN100472948C
CN100472948C CNB03815000XA CN03815000A CN100472948C CN 100472948 C CN100472948 C CN 100472948C CN B03815000X A CNB03815000X A CN B03815000XA CN 03815000 A CN03815000 A CN 03815000A CN 100472948 C CN100472948 C CN 100472948C
Authority
CN
China
Prior art keywords
signal
intermodulation
path
feedforward
output
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 - Fee Related
Application number
CNB03815000XA
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English (en)
Chinese (zh)
Other versions
CN1663116A (zh
Inventor
詹姆士·R·布洛德盖特
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.)
Tetuo Partner Co
Quarterhill Inc
Original Assignee
Soma Networks 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 Soma Networks Inc filed Critical Soma Networks Inc
Publication of CN1663116A publication Critical patent/CN1663116A/zh
Application granted granted Critical
Publication of CN100472948C publication Critical patent/CN100472948C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CNB03815000XA 2002-06-25 2003-06-25 前馈放大器和操作方法 Expired - Fee Related CN100472948C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39108402P 2002-06-25 2002-06-25
US60/391,084 2002-06-25

Publications (2)

Publication Number Publication Date
CN1663116A CN1663116A (zh) 2005-08-31
CN100472948C true CN100472948C (zh) 2009-03-25

Family

ID=30000669

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB03815000XA Expired - Fee Related CN100472948C (zh) 2002-06-25 2003-06-25 前馈放大器和操作方法

Country Status (8)

Country Link
US (1) US7342446B2 (enExample)
EP (1) EP1552605A4 (enExample)
JP (1) JP2005531224A (enExample)
CN (1) CN100472948C (enExample)
AU (1) AU2003247621B2 (enExample)
CA (1) CA2527628A1 (enExample)
MX (1) MXPA05000247A (enExample)
WO (1) WO2004001956A2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4652974B2 (ja) * 2005-12-27 2011-03-16 富士通株式会社 タイミング調整装置及びタイミング調整方法
US11036262B1 (en) 2008-01-14 2021-06-15 Micro Mobio Corporation Radio frequency power amplifier with adjacent channel leakage correction circuit
US9088258B2 (en) * 2008-01-14 2015-07-21 Micro Mobio Corporation RF power amplifier with linearity control
US10938360B1 (en) 2011-10-26 2021-03-02 Micro Mobio Corporation Multimode multiband wireless device with broadband power amplifier
EP3311497B1 (en) 2015-06-16 2021-08-04 Commscope Technologies LLC Radio frequency transmitter
US11515617B1 (en) 2019-04-03 2022-11-29 Micro Mobio Corporation Radio frequency active antenna system in a package
US12463322B1 (en) 2019-04-03 2025-11-04 Micro Mobio Corporation Antenna in display
US20250219602A1 (en) * 2023-12-29 2025-07-03 Analog Devices International Unlimited Company Power amplifier system with interference cancellation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963091A (en) * 1998-04-01 1999-10-05 Chen; Jiunn-Tsair Article comprising a power amplifier with feed forward linearizer using a RLS parameter tracking algorithm
US6091297A (en) * 1998-06-21 2000-07-18 Paragon Communications Ltd. Methods and apparatus for adaptive adjustments of feed-forward linearized amplifiers
CN1289177A (zh) * 1999-08-19 2001-03-28 朗迅科技公司 交替的增益和相位控制系统及方法
US6211733B1 (en) * 1999-10-22 2001-04-03 Powerwave Technologies, Inc. Predistortion compensation for a power amplifier
CN1336722A (zh) * 2000-07-29 2002-02-20 华为技术有限公司 利用导频的前馈线性功率放大方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077532A (en) * 1990-12-17 1991-12-31 Motorola, Inc. Feed forward distortion minimization circuit
US5485120A (en) * 1994-07-28 1996-01-16 Aval Communications Inc. Feed-forward power amplifier system with adaptive control and control method
US5570063A (en) 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity
US6078216A (en) * 1998-03-31 2000-06-20 Spectrian Corporation Aliased wide band performance monitor for adjusting predistortion and vector modulator control parameters of RF amplifier
US6104241A (en) 1998-11-18 2000-08-15 Spectrian High efficiency feed-forward RF power amplifier with predistoration enchancement
JP2001136033A (ja) * 1999-11-05 2001-05-18 Nec Corp フィードフォワード増幅器
US6819173B2 (en) * 2001-04-19 2004-11-16 Motorola, Inc. Method and apparatus for reduction of distortion in a transmitter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963091A (en) * 1998-04-01 1999-10-05 Chen; Jiunn-Tsair Article comprising a power amplifier with feed forward linearizer using a RLS parameter tracking algorithm
US6091297A (en) * 1998-06-21 2000-07-18 Paragon Communications Ltd. Methods and apparatus for adaptive adjustments of feed-forward linearized amplifiers
CN1289177A (zh) * 1999-08-19 2001-03-28 朗迅科技公司 交替的增益和相位控制系统及方法
US6211733B1 (en) * 1999-10-22 2001-04-03 Powerwave Technologies, Inc. Predistortion compensation for a power amplifier
CN1336722A (zh) * 2000-07-29 2002-02-20 华为技术有限公司 利用导频的前馈线性功率放大方法及装置

Also Published As

Publication number Publication date
AU2003247621A1 (en) 2004-01-06
US20050174173A1 (en) 2005-08-11
EP1552605A2 (en) 2005-07-13
WO2004001956A3 (en) 2005-04-28
AU2003247621B2 (en) 2008-05-22
EP1552605A4 (en) 2007-05-30
CN1663116A (zh) 2005-08-31
US7342446B2 (en) 2008-03-11
CA2527628A1 (en) 2003-12-31
WO2004001956A2 (en) 2003-12-31
JP2005531224A (ja) 2005-10-13
MXPA05000247A (es) 2005-04-11

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Legal Events

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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: TETOBONS INC.

Free format text: FORMER OWNER: SOMA NETWORKS, INC.

Effective date: 20120828

Owner name: NEXTWAVE BROADBAND INC.

Free format text: FORMER OWNER: TETOBONS INC.

Effective date: 20120828

C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

Address after: California, USA

Patentee after: SOMA NETWORKS, Inc.

Address before: Ontario

Patentee before: Soma Networks, Inc.

TR01 Transfer of patent right

Effective date of registration: 20120828

Address after: Ontario, Canada

Patentee after: WI-LAN Inc.

Address before: Ontario, Canada

Patentee before: Tetuo partner Co.

Effective date of registration: 20120828

Address after: Ontario, Canada

Patentee after: Tetuo partner Co.

Address before: California, USA

Patentee before: Soma Networks, Inc.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090325

Termination date: 20150625

EXPY Termination of patent right or utility model