JP2005531224A5 - - Google Patents

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Publication number
JP2005531224A5
JP2005531224A5 JP2004516186A JP2004516186A JP2005531224A5 JP 2005531224 A5 JP2005531224 A5 JP 2005531224A5 JP 2004516186 A JP2004516186 A JP 2004516186A JP 2004516186 A JP2004516186 A JP 2004516186A JP 2005531224 A5 JP2005531224 A5 JP 2005531224A5
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JP
Japan
Prior art keywords
signal
input
feedforward
output
path
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.)
Pending
Application number
JP2004516186A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005531224A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2003/019849 external-priority patent/WO2004001956A2/en
Publication of JP2005531224A publication Critical patent/JP2005531224A/ja
Publication of JP2005531224A5 publication Critical patent/JP2005531224A5/ja
Pending legal-status Critical Current

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JP2004516186A 2002-06-25 2003-06-25 フォワード増幅器 Pending JP2005531224A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39108402P 2002-06-25 2002-06-25
PCT/US2003/019849 WO2004001956A2 (en) 2002-06-25 2003-06-25 Forward amplifiers

Publications (2)

Publication Number Publication Date
JP2005531224A JP2005531224A (ja) 2005-10-13
JP2005531224A5 true JP2005531224A5 (enExample) 2006-08-10

Family

ID=30000669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004516186A Pending JP2005531224A (ja) 2002-06-25 2003-06-25 フォワード増幅器

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

Family Cites Families (12)

* 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
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
IL125022A (en) * 1998-06-21 2001-09-13 Israel Bar David Methods and apparatus for adaptive adjustment of feed-forward linearized amplifiers
US6104241A (en) 1998-11-18 2000-08-15 Spectrian High efficiency feed-forward RF power amplifier with predistoration enchancement
US6392480B1 (en) * 1999-08-19 2002-05-21 Lucent Technologies Inc. Alternating gain and phase control system and method
US6211733B1 (en) * 1999-10-22 2001-04-03 Powerwave Technologies, Inc. Predistortion compensation for a power amplifier
JP2001136033A (ja) * 1999-11-05 2001-05-18 Nec Corp フィードフォワード増幅器
CN1164025C (zh) * 2000-07-29 2004-08-25 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
US6819173B2 (en) * 2001-04-19 2004-11-16 Motorola, Inc. Method and apparatus for reduction of distortion in a transmitter

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