CN100472948C - 前馈放大器和操作方法 - Google Patents
前馈放大器和操作方法 Download PDFInfo
- 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
- feed
- input
- intermodulation
- 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
Links
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)
Abstract
Description
Claims (5)
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 (zh) |
EP (1) | EP1552605A4 (zh) |
JP (1) | JP2005531224A (zh) |
CN (1) | CN100472948C (zh) |
AU (1) | AU2003247621B2 (zh) |
CA (1) | CA2527628A1 (zh) |
MX (1) | MXPA05000247A (zh) |
WO (1) | WO2004001956A2 (zh) |
Families Citing this family (6)
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 |
US9088258B2 (en) * | 2008-01-14 | 2015-07-21 | Micro Mobio Corporation | RF power amplifier with linearity control |
US11036262B1 (en) | 2008-01-14 | 2021-06-15 | Micro Mobio Corporation | Radio frequency power amplifier with adjacent channel leakage correction circuit |
US10938360B1 (en) | 2011-10-26 | 2021-03-02 | Micro Mobio Corporation | Multimode multiband wireless device with broadband power amplifier |
WO2016205399A1 (en) * | 2015-06-16 | 2016-12-22 | 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 |
Family Cites Families (9)
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 |
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 |
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 |
-
2003
- 2003-06-25 WO PCT/US2003/019849 patent/WO2004001956A2/en active Application Filing
- 2003-06-25 MX MXPA05000247A patent/MXPA05000247A/es active IP Right Grant
- 2003-06-25 US US10/519,191 patent/US7342446B2/en not_active Expired - Fee Related
- 2003-06-25 AU AU2003247621A patent/AU2003247621B2/en not_active Ceased
- 2003-06-25 EP EP03761291A patent/EP1552605A4/en active Pending
- 2003-06-25 CN CNB03815000XA patent/CN100472948C/zh not_active Expired - Fee Related
- 2003-06-25 JP JP2004516186A patent/JP2005531224A/ja active Pending
- 2003-06-25 CA CA002527628A patent/CA2527628A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2004001956A3 (en) | 2005-04-28 |
AU2003247621A1 (en) | 2004-01-06 |
AU2003247621B2 (en) | 2008-05-22 |
EP1552605A4 (en) | 2007-05-30 |
US7342446B2 (en) | 2008-03-11 |
CN1663116A (zh) | 2005-08-31 |
WO2004001956A2 (en) | 2003-12-31 |
US20050174173A1 (en) | 2005-08-11 |
MXPA05000247A (es) | 2005-04-11 |
CA2527628A1 (en) | 2003-12-31 |
EP1552605A2 (en) | 2005-07-13 |
JP2005531224A (ja) | 2005-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |