WO2005043747A3 - High linearity doherty communication amplifier with bias control - Google Patents
High linearity doherty communication amplifier with bias control Download PDFInfo
- Publication number
- WO2005043747A3 WO2005043747A3 PCT/US2004/034797 US2004034797W WO2005043747A3 WO 2005043747 A3 WO2005043747 A3 WO 2005043747A3 US 2004034797 W US2004034797 W US 2004034797W WO 2005043747 A3 WO2005043747 A3 WO 2005043747A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amplifier
- power
- power amplifier
- control signal
- voltage control
- Prior art date
Links
- 230000000153 supplemental effect Effects 0.000 abstract 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Microwave Amplifiers (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112004001976T DE112004001976T5 (en) | 2003-10-21 | 2004-10-19 | High linearity Doherty communication amplifier with bias control |
CN2004800310591A CN101164229B (en) | 2003-10-21 | 2004-10-19 | High linearity doherty communication amplifier with bias control |
GB0605973A GB2421862B (en) | 2003-10-21 | 2004-10-19 | High linearity doherty communication amplifier with bias control |
JP2006536770A JP4860476B2 (en) | 2003-10-21 | 2004-10-19 | High linearity Doherty communication amplifier with bias control |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/690,923 US7053706B2 (en) | 2002-02-01 | 2003-10-21 | High linearity doherty communication amplifier with bias control |
US10/690,923 | 2003-10-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005043747A2 WO2005043747A2 (en) | 2005-05-12 |
WO2005043747A3 true WO2005043747A3 (en) | 2005-09-09 |
Family
ID=34549861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/034797 WO2005043747A2 (en) | 2003-10-21 | 2004-10-19 | High linearity doherty communication amplifier with bias control |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4860476B2 (en) |
CN (1) | CN101164229B (en) |
DE (1) | DE112004001976T5 (en) |
GB (1) | GB2421862B (en) |
WO (1) | WO2005043747A2 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4927351B2 (en) * | 2005-05-27 | 2012-05-09 | ルネサスエレクトロニクス株式会社 | Doherty amplifier |
JP2008035487A (en) * | 2006-06-19 | 2008-02-14 | Renesas Technology Corp | Rf power amplifier |
JP5049562B2 (en) * | 2006-11-17 | 2012-10-17 | 株式会社日立国際電気 | Power amplifier |
JP5217182B2 (en) * | 2007-02-22 | 2013-06-19 | 富士通株式会社 | High frequency amplifier circuit |
JP2008258986A (en) * | 2007-04-05 | 2008-10-23 | Japan Radio Co Ltd | High frequency amplifier circuit |
WO2011048893A1 (en) * | 2009-10-23 | 2011-04-28 | 日本碍子株式会社 | Combiner for doherty amplifier |
CN102064774B (en) * | 2009-11-18 | 2013-11-06 | 中兴通讯股份有限公司 | Implementation method of power amplifying circuit and power amplifying device |
US20120013401A1 (en) * | 2010-07-14 | 2012-01-19 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Power amplifier with selectable load impedance and method of amplifying a signal with selectable load impedance |
CN102158177A (en) * | 2011-04-29 | 2011-08-17 | 中兴通讯股份有限公司 | Doherty power amplifier and power amplifying method |
US8829998B2 (en) * | 2012-10-23 | 2014-09-09 | Airspan Networks Inc. | Doherty power amplifier |
US8981852B2 (en) * | 2012-11-12 | 2015-03-17 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Providing an integrated directional coupler in a power amplifier |
CN102983824A (en) * | 2012-12-25 | 2013-03-20 | 福建邮科通信技术有限公司 | Self-adaptive predistortion power amplifier |
US9030260B2 (en) * | 2013-07-19 | 2015-05-12 | Alcatel Lucent | Dual-band high efficiency Doherty amplifiers with hybrid packaged power devices |
DE102013220160A1 (en) * | 2013-10-05 | 2015-04-09 | Rwth Aachen | Sequential broadband Doherty power amplifier with adjustable output line back-off |
EP2933918B1 (en) * | 2014-04-15 | 2017-11-22 | Ampleon Netherlands B.V. | Ultra wideband doherty amplifier |
CN103945149A (en) * | 2014-04-28 | 2014-07-23 | 上海东洲罗顿通信股份有限公司 | Multiple-complex system of high efficiency digital television transmitter and implementing method thereof |
CN107408923B (en) * | 2015-02-15 | 2021-05-28 | 天工方案公司 | Doherty power amplifier with reduced size |
CN106982041B (en) * | 2017-02-23 | 2023-07-25 | 南京邮电大学 | Novel topological structure of 180-degree annular bridge designed by lumped parameters and method for outputting arbitrary power ratio by using novel topological structure |
CN116388699B (en) * | 2021-12-24 | 2024-04-30 | 苏州华太电子技术股份有限公司 | Doherty power amplifier device and power amplification system |
CN117595810A (en) * | 2022-08-18 | 2024-02-23 | 恩智浦美国有限公司 | Doherty amplifier |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5420541A (en) * | 1993-06-04 | 1995-05-30 | Raytheon Company | Microwave doherty amplifier |
US5757229A (en) * | 1996-06-28 | 1998-05-26 | Motorola, Inc. | Bias circuit for a power amplifier |
US5880633A (en) * | 1997-05-08 | 1999-03-09 | Motorola, Inc. | High efficiency power amplifier |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4225827A (en) * | 1979-02-21 | 1980-09-30 | Harris Corporation | Stabilization circuit for transistor RF power amplifiers |
US5739723A (en) * | 1995-12-04 | 1998-04-14 | Motorola, Inc. | Linear power amplifier using active bias for high efficiency and method thereof |
JPH118560A (en) * | 1997-04-25 | 1999-01-12 | Matsushita Electric Ind Co Ltd | Circuit and method for transmission output control |
US6130579A (en) * | 1999-03-29 | 2000-10-10 | Rf Micro Devices, Inc. | Feed-forward biasing for RF amplifiers |
US6262629B1 (en) * | 1999-07-06 | 2001-07-17 | Motorola, Inc. | High efficiency power amplifier having reduced output matching networks for use in portable devices |
JP4467756B2 (en) * | 2000-10-13 | 2010-05-26 | 三菱電機株式会社 | Doherty amplifier |
US6864742B2 (en) * | 2001-06-08 | 2005-03-08 | Northrop Grumman Corporation | Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers |
US6469581B1 (en) * | 2001-06-08 | 2002-10-22 | Trw Inc. | HEMT-HBT doherty microwave amplifier |
US20020186079A1 (en) * | 2001-06-08 | 2002-12-12 | Kobayashi Kevin W. | Asymmetrically biased high linearity balanced amplifier |
KR100553252B1 (en) * | 2002-02-01 | 2006-02-20 | 아바고테크놀로지스코리아 주식회사 | Power Amplification Apparatus of Portable Terminal |
-
2004
- 2004-10-19 DE DE112004001976T patent/DE112004001976T5/en not_active Ceased
- 2004-10-19 WO PCT/US2004/034797 patent/WO2005043747A2/en active Application Filing
- 2004-10-19 CN CN2004800310591A patent/CN101164229B/en not_active Expired - Fee Related
- 2004-10-19 JP JP2006536770A patent/JP4860476B2/en not_active Expired - Fee Related
- 2004-10-19 GB GB0605973A patent/GB2421862B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5420541A (en) * | 1993-06-04 | 1995-05-30 | Raytheon Company | Microwave doherty amplifier |
US5757229A (en) * | 1996-06-28 | 1998-05-26 | Motorola, Inc. | Bias circuit for a power amplifier |
US5880633A (en) * | 1997-05-08 | 1999-03-09 | Motorola, Inc. | High efficiency power amplifier |
Also Published As
Publication number | Publication date |
---|---|
CN101164229B (en) | 2010-12-08 |
GB2421862A (en) | 2006-07-05 |
JP2007509584A (en) | 2007-04-12 |
GB0605973D0 (en) | 2006-05-03 |
CN101164229A (en) | 2008-04-16 |
GB2421862B (en) | 2007-11-07 |
DE112004001976T5 (en) | 2006-10-19 |
JP4860476B2 (en) | 2012-01-25 |
WO2005043747A2 (en) | 2005-05-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005043747A3 (en) | High linearity doherty communication amplifier with bias control | |
TW563295B (en) | Communications signal amplifiers having independent power control and amplitude modulation | |
TW200644413A (en) | System-in-package wireless communication device | |
WO2002075920A3 (en) | Segmented power amplifier and method of control | |
ATE435529T1 (en) | POWER AMPLIFICATION DEVICE FOR A PORTABLE TERMINAL | |
CN100527604C (en) | Power amplifier | |
WO2007123792A3 (en) | Switching power amplifier | |
TWI573388B (en) | Rf power amplifier with post-distortion linearizer | |
TW200509547A (en) | High frequency power amplification module and wireless communication device | |
TW200603534A (en) | Radio frequency low noise amplifier with automatic gain control | |
US9148097B2 (en) | Electronic system—radio frequency power amplifier and method for dynamic adjusting bias point | |
ATE279812T1 (en) | AUTOMATIC LINEARITY OPTIMIZATION FOR AN ENVELOPE FEEDBACK RF AMPLIFIER | |
TW200705802A (en) | Linear and non-linear dual mode transmitter | |
JP2001168647A5 (en) | ||
TW200740106A (en) | Low noise amplifier and low noise amplifying method of dynamically adjusting a bias voltage when switching gain modes to improve linearity | |
TW200635208A (en) | Low noise amplifier | |
EP1286463A3 (en) | Gain control amplifier | |
EP1573906B1 (en) | Preserving linearity of an isolator-free power amplifier by dynamically adjusting gain and phase | |
CN101924521A (en) | Digital bias system of radio frequency power amplifier | |
TW200618482A (en) | Differential amplifier device, 2-stage amplifier device, and analog/digital converter device | |
TW200633366A (en) | Audio communication unit and integrated circuit | |
US6507244B2 (en) | Transmitter with a sliding compression point | |
AU2003212267A1 (en) | Amplifier circuits and their use in radio frequency transmitters | |
EP1708358A3 (en) | Mobile communications terminal having driving voltage control apparatus and method thereof | |
CN201742373U (en) | Digital bias system of radio frequency power amplifier |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200480031059.1 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 0605973.7 Country of ref document: GB Ref document number: 0605973 Country of ref document: GB |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1120040019761 Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006536770 Country of ref document: JP |
|
RET | De translation (de og part 6b) |
Ref document number: 112004001976 Country of ref document: DE Date of ref document: 20061019 Kind code of ref document: P |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112004001976 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase | ||
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8607 |