KR20020074630A - 초고주파 도허티 증폭기의 출력 정합 장치 - Google Patents
초고주파 도허티 증폭기의 출력 정합 장치 Download PDFInfo
- Publication number
- KR20020074630A KR20020074630A KR1020010014516A KR20010014516A KR20020074630A KR 20020074630 A KR20020074630 A KR 20020074630A KR 1020010014516 A KR1020010014516 A KR 1020010014516A KR 20010014516 A KR20010014516 A KR 20010014516A KR 20020074630 A KR20020074630 A KR 20020074630A
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- KR
- South Korea
- Prior art keywords
- amplifier
- output
- phase
- matching
- impedance
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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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
- H03F1/07—Doherty-type 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
- H03F3/602—Combinations of several amplifiers
- H03F3/604—Combinations of several amplifiers using FET's
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microwave Amplifiers (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (4)
- 병렬로 연결한 캐리어 증폭기와 피킹 증폭기의 최종 출력에 쿼터 웨이브 트랜스포머를 연결하여 도허티 동작이 일어나게 하는 초고주파 도허티 증폭기에 있어서:상기 캐리어 증폭기 및 피킹 증폭기의 출력에 고주파 출력 정합을 이루는 로드 정합 회로가 연결되고, 상기 로드 정합 회로의 후단에 위상 튜닝 성분이 연결된 것을 특징으로 한 초고주파 도허티 증폭기의 출력 정합 장치.
- 제 1 항에 있어서,상기 위상 튜닝 성분은, 상기 캐리어 증폭기에 연결된 상기 로드 정합 회로의 후단에 임피던스 라인을 연결하는 것을 특징으로 한 초고주파 도허티 증폭기의 출력 정합 장치.
- 제 1 항에 있어서,상기 위상 튜닝 성분은, 상기 피킹 증폭기에 연결된 상기 로드 정합 회로의 후단에 임피던스 라인을 연결하는 것을 특징으로 한 초고주파 도허티 증폭기의 출력 정합 장치.
- 제 1 항에 있어서,상기 쿼터 웨이브 트랜스포머와 상기 위상 튜닝 성분간의 위상 차이를 보상하기 위하여 그 차만큼의 위상 지연선로를 상기 피킹 증폭기의 전단에 연결하는 것을 특징으로 한 초고주파 도허티 증폭기의 출력 정합 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010014516A KR100546491B1 (ko) | 2001-03-21 | 2001-03-21 | 초고주파 도허티 증폭기의 출력 정합 장치 |
US10/076,636 US6617929B2 (en) | 2001-03-21 | 2002-02-19 | Full output matching apparatus of a microwave doherty amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010014516A KR100546491B1 (ko) | 2001-03-21 | 2001-03-21 | 초고주파 도허티 증폭기의 출력 정합 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020074630A true KR20020074630A (ko) | 2002-10-04 |
KR100546491B1 KR100546491B1 (ko) | 2006-01-26 |
Family
ID=19707188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010014516A KR100546491B1 (ko) | 2001-03-21 | 2001-03-21 | 초고주파 도허티 증폭기의 출력 정합 장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6617929B2 (ko) |
KR (1) | KR100546491B1 (ko) |
Cited By (3)
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KR100749870B1 (ko) * | 2006-06-07 | 2007-08-17 | (주) 와이팜 | 도허티 전력 증폭 장치 |
KR100862056B1 (ko) * | 2007-08-06 | 2008-10-14 | (주) 와이팜 | 광대역 전력 증폭 장치 |
KR101021471B1 (ko) * | 2008-12-08 | 2011-03-15 | 광운대학교 산학협력단 | 다이나믹 도허티 전력증폭기 |
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SE516847C2 (sv) * | 2000-07-07 | 2002-03-12 | Ericsson Telefon Ab L M | Sammansatt förstärkare samt sändare som innefattar en sådan förstärkare |
US6791417B2 (en) * | 2002-01-28 | 2004-09-14 | Cree Microwave, Inc. | N-way RF power amplifier circuit with increased back-off capability and power added efficiency using selected phase lengths and output impedances |
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US7482873B2 (en) * | 2002-09-17 | 2009-01-27 | Nxp B.V. | Preserving linearity of a rf power amplifier |
JP2006500884A (ja) | 2002-09-20 | 2006-01-05 | トライクウィント セミコンダクター,インコーポレーテッド | 切換可能な可変出力電力レベルを有する飽和電力増幅器 |
US6894561B2 (en) * | 2002-09-20 | 2005-05-17 | Triquint Semiconductor, Inc. | Efficient power control of a power amplifier by periphery switching |
JP2006500883A (ja) * | 2002-09-20 | 2006-01-05 | トライクウィント セミコンダクター,インコーポレーテッド | 複数の出力電力レベルを有する線形電力増幅器 |
JP4209652B2 (ja) * | 2002-09-24 | 2009-01-14 | 三菱電機株式会社 | 高周波電力増幅器 |
KR20050031663A (ko) * | 2003-09-30 | 2005-04-06 | 광운대학교 산학협력단 | 도허티 전력 증폭 장치 |
US7339426B2 (en) * | 2004-03-19 | 2008-03-04 | Powerwave Technologies, Inc. | High efficiency linear amplifier employing dynamically controlled back off |
US7440733B2 (en) * | 2004-04-09 | 2008-10-21 | Powerwave Technologies, Inc. | Constant gain nonlinear envelope tracking high efficiency linear amplifier |
JP4520204B2 (ja) * | 2004-04-14 | 2010-08-04 | 三菱電機株式会社 | 高周波電力増幅器 |
JP4715994B2 (ja) * | 2004-08-26 | 2011-07-06 | 日本電気株式会社 | ドハティ増幅器並列運転回路 |
US7148746B2 (en) * | 2004-10-26 | 2006-12-12 | Andrew Corporation | High efficiency amplifier |
NL1027745C1 (nl) | 2004-12-14 | 2006-06-16 | Bosma Beheersmij B V H O D N M | Verliesarme, asymmetrische combinator voor faseverschil systemen en adaptieve RF-versterker omvattende een asymmetrische combinator. |
WO2006123289A2 (en) * | 2005-05-20 | 2006-11-23 | Nxp B.V. | Integrated doherty type amplifier arrangement with high power efficiency |
JP4858952B2 (ja) * | 2005-05-23 | 2012-01-18 | 株式会社日立国際電気 | 増幅装置 |
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JP4831571B2 (ja) * | 2006-05-02 | 2011-12-07 | 富士通株式会社 | 増幅器ユニット及びその故障検出方法 |
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KR20090071834A (ko) * | 2007-12-28 | 2009-07-02 | 성균관대학교산학협력단 | 고조파 동조를 이용한 도허티 증폭기 |
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KR101091969B1 (ko) * | 2009-06-01 | 2011-12-09 | 포항공과대학교 산학협력단 | 전력 증폭 장치 |
EP2323253A1 (en) * | 2009-10-26 | 2011-05-18 | Alcatel Lucent | Doherty power amplifiers |
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WO2011137832A2 (zh) * | 2011-05-27 | 2011-11-10 | 华为技术有限公司 | 陶赫蒂doherty电路、多路陶赫蒂doherty电路和基站设备 |
US9374041B2 (en) | 2011-12-15 | 2016-06-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Doherty power amplification apparatus and method |
US8975955B2 (en) * | 2012-12-11 | 2015-03-10 | Alcatel Lucent | Analysis of Doherty amplifiers |
US9787253B2 (en) | 2013-09-12 | 2017-10-10 | Nec Corporation | Doherty amplifier and transmission apparatus |
US9071202B2 (en) | 2013-10-18 | 2015-06-30 | Alcatel Lucent | Doherty amplifier with peak branch RF conditioning |
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-
2001
- 2001-03-21 KR KR1020010014516A patent/KR100546491B1/ko active IP Right Grant
-
2002
- 2002-02-19 US US10/076,636 patent/US6617929B2/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100749870B1 (ko) * | 2006-06-07 | 2007-08-17 | (주) 와이팜 | 도허티 전력 증폭 장치 |
KR100862056B1 (ko) * | 2007-08-06 | 2008-10-14 | (주) 와이팜 | 광대역 전력 증폭 장치 |
WO2009020325A3 (en) * | 2007-08-06 | 2009-04-02 | Wipam Inc | Broadband power amplifier |
US8198938B2 (en) | 2007-08-06 | 2012-06-12 | Wipam, Inc. | Broadband power amplifier |
KR101021471B1 (ko) * | 2008-12-08 | 2011-03-15 | 광운대학교 산학협력단 | 다이나믹 도허티 전력증폭기 |
Also Published As
Publication number | Publication date |
---|---|
US6617929B2 (en) | 2003-09-09 |
KR100546491B1 (ko) | 2006-01-26 |
US20020135425A1 (en) | 2002-09-26 |
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