KR100870866B1 - 멀티밴드 도허티 증폭기 - Google Patents
멀티밴드 도허티 증폭기 Download PDFInfo
- Publication number
- KR100870866B1 KR100870866B1 KR1020070059772A KR20070059772A KR100870866B1 KR 100870866 B1 KR100870866 B1 KR 100870866B1 KR 1020070059772 A KR1020070059772 A KR 1020070059772A KR 20070059772 A KR20070059772 A KR 20070059772A KR 100870866 B1 KR100870866 B1 KR 100870866B1
- Authority
- KR
- South Korea
- Prior art keywords
- amplifier
- impedance
- ghz
- frequency
- doherty amplifier
- Prior art date
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- 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
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- 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
-
- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/543—A transmission line being used as coupling element between two amplifying stages
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Microwave Amplifiers (AREA)
Abstract
Description
Claims (4)
- 멀티밴드 도허티 증폭기로서,입력 신호를 두 개로 분배하는 분배기와,상기 분배기의 일측 출력단에 접속되며, 분배된 일측 신호를 증폭시키는 캐리어 증폭기와,상기 분배기의 타측 출력단에 접속되며, 분배된 타측 신호를 지연시키는 지연기와,상기 지연기의 출력단에 접속되며, 그 출력 신호를 증폭시키는 피크 증폭기와,상기 캐리어 증폭기의 출력단에 접속되며, 임피던스 변환을 행하는 임피던스 변환기와,상기 피크 증폭기의 출력단과 상기 임피던스 변환기의 출력단에 접속되며, 그들의 출력 신호를 합성하는 합성기를 포함하며,상기 지연기의 전기 길이는 상기 임피던스 변환기의 전기 길이와 동일하고,상기 임피던스 변환기는 N종류(N은 2 이상의 정수)의 임피던스 변환용 전송 선로의 캐스케이드 접속을 가지며, N종류의 주파수에 대하여 동일한 임피던스 변환을 행하도록 되어 있는 것을 특징으로 하는 멀티밴드 도허티 증폭기.
- 삭제
- 제 1 항에 있어서, 상기 합성기는 상기 피크 증폭기의 출력단과 상기 임피던스 변환기의 출력단이 접합된 접합부에 N종류의 임피던스 변환용 전송 선로의 제2의 캐스케이드 접속을 가지며, 상기 N종류의 주파수에 대하여 동일한 임피던스 변환을 행하는 것을 특징으로 하는 멀티밴드 도허티 증폭기.
- 제 3 항에 있어서, 상기 합성기의 제2의 캐스케이드 접속은, 상기 피크 증폭기가 증폭 동작 상태에 있어서, 상기 N종류의 주파수에 대하여 상기 접합부에서 본 부하 임피던스를 해당 접합부에서 본 출력 임피던스로 정합시키는 것을 특징으로 하는 멀티밴드 도허티 증폭기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2006-00174191 | 2006-06-23 | ||
JP2006174191A JP4486620B2 (ja) | 2006-06-23 | 2006-06-23 | マルチバンドドハティ増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070122140A KR20070122140A (ko) | 2007-12-28 |
KR100870866B1 true KR100870866B1 (ko) | 2008-11-27 |
Family
ID=38582373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070059772A KR100870866B1 (ko) | 2006-06-23 | 2007-06-19 | 멀티밴드 도허티 증폭기 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7602241B2 (ko) |
EP (1) | EP1871004B1 (ko) |
JP (1) | JP4486620B2 (ko) |
KR (1) | KR100870866B1 (ko) |
CN (1) | CN100578920C (ko) |
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KR100905948B1 (ko) * | 2008-08-28 | 2009-07-06 | (주)카이로넷 | 도허티 증폭기 및 이를 포함하는 신호 증폭 시스템, 신호 증폭 방법 |
US8115546B2 (en) * | 2009-05-15 | 2012-02-14 | Samsung Electronics Co., Ltd. | Apparatus and method for maximizing performance of peaking amplifier in doherty amplifier |
CN102137518B (zh) * | 2010-01-25 | 2013-04-17 | 华为技术有限公司 | Doherty功放和多频段信号参数调整装置 |
US8314654B2 (en) * | 2010-05-17 | 2012-11-20 | Alcatel Lucent | Multi-band high-efficiency Doherty amplifier |
JP5527563B2 (ja) | 2010-07-02 | 2014-06-18 | 日本電気株式会社 | 高周波電力増幅器 |
US8193857B1 (en) * | 2011-03-01 | 2012-06-05 | Infineon Technologies Ag | Wideband doherty amplifier circuit |
EP2700158B1 (en) | 2011-04-20 | 2018-10-10 | NXP USA, Inc. | Amplifiers and related integrated circuits |
US8502599B2 (en) * | 2011-10-19 | 2013-08-06 | Futurewei Technologies, Inc. | System and method for a multi-band power-amplifier |
CN103178785B (zh) * | 2011-12-20 | 2016-08-03 | 上海贝尔股份有限公司 | 一种新型道尔蒂功率放大器 |
CN102801387A (zh) * | 2012-09-13 | 2012-11-28 | 电子科技大学 | 一种双模双带高效率Doherty功率放大器 |
CN202818232U (zh) | 2012-09-18 | 2013-03-20 | 中兴通讯股份有限公司 | 一种Doherty功放电路 |
JP2015002538A (ja) * | 2013-06-18 | 2015-01-05 | 富士通株式会社 | 増幅装置 |
WO2014205725A1 (zh) * | 2013-06-27 | 2014-12-31 | 华为技术有限公司 | 一种多频段功率放大装置 |
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CN104917472B (zh) * | 2014-03-10 | 2019-04-16 | 中兴通讯股份有限公司 | 功放电路、功率放大装置及其宽带匹配方法 |
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WO2015193782A1 (en) | 2014-06-16 | 2015-12-23 | Telefonaktiebolaget L M Ericsson (Publ) | Wideband impedance transformer |
JP6308920B2 (ja) * | 2014-09-16 | 2018-04-11 | 三菱電機株式会社 | 広帯域増幅器 |
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JP6122044B2 (ja) * | 2015-01-09 | 2017-04-26 | 株式会社東芝 | ドハティ増幅器 |
JP6403801B2 (ja) * | 2015-01-16 | 2018-10-10 | 株式会社日立国際電気 | 電力増幅器 |
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KR102140192B1 (ko) * | 2015-05-29 | 2020-08-03 | 삼성전기주식회사 | 도허티 전력 증폭기 |
US10243525B2 (en) * | 2015-06-15 | 2019-03-26 | Hitachi Kokusai Electric Inc. | Power amplifier and radio transmitter |
JP6513225B2 (ja) * | 2016-01-05 | 2019-05-15 | 三菱電機株式会社 | ドハティ増幅器 |
DE112016006472T5 (de) * | 2016-02-23 | 2018-11-08 | Mitsubishi Electric Corporation | Lastmodulationsverstärker |
US11233483B2 (en) * | 2017-02-02 | 2022-01-25 | Macom Technology Solutions Holdings, Inc. | 90-degree lumped and distributed Doherty impedance inverter |
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CN107332518B (zh) * | 2017-06-28 | 2020-09-08 | 苏州远创达科技有限公司 | 一种宽带多赫蒂功率放大器 |
US11283410B2 (en) | 2017-10-02 | 2022-03-22 | Macom Technology Solutions Holdings, Inc. | No-load-modulation, high-efficiency power amplifier |
US11705869B2 (en) | 2018-10-05 | 2023-07-18 | Macom Technology Solutions Holdings, Inc. | Low-load-modulation power amplifier |
CN109450383A (zh) * | 2018-11-27 | 2019-03-08 | 江苏大学 | 一种基于相位延迟双频输出匹配网络的宽带双频段Doherty功率放大器 |
DE102019000324A1 (de) | 2019-01-20 | 2020-07-23 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Sende- und Empfangsvorrichtung mit einem Breitband HF-Leistungsverstärker, insbesondere N-Wege-Doherty Verstärker mit aktiver Lastmodulation |
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KR102546533B1 (ko) * | 2021-05-31 | 2023-06-23 | 한밭대학교 산학협력단 | 쉬프만 위상 천이기를 이용한 다중 대역 도허티 증폭기 |
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2006
- 2006-06-23 JP JP2006174191A patent/JP4486620B2/ja active Active
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2007
- 2007-06-15 US US11/763,898 patent/US7602241B2/en active Active
- 2007-06-19 KR KR1020070059772A patent/KR100870866B1/ko active IP Right Grant
- 2007-06-21 CN CN200710112208A patent/CN100578920C/zh not_active Expired - Fee Related
- 2007-06-22 EP EP07012227A patent/EP1871004B1/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003188651A (ja) | 2001-12-13 | 2003-07-04 | Ntt Docomo Inc | 高効率増幅器 |
Also Published As
Publication number | Publication date |
---|---|
KR20070122140A (ko) | 2007-12-28 |
EP1871004A1 (en) | 2007-12-26 |
JP2008005321A (ja) | 2008-01-10 |
JP4486620B2 (ja) | 2010-06-23 |
EP1871004B1 (en) | 2011-10-19 |
CN101093978A (zh) | 2007-12-26 |
CN100578920C (zh) | 2010-01-06 |
US20080007331A1 (en) | 2008-01-10 |
US7602241B2 (en) | 2009-10-13 |
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