JP7009711B2 - ドハティアンプ - Google Patents
ドハティアンプ Download PDFInfo
- Publication number
- JP7009711B2 JP7009711B2 JP2017230714A JP2017230714A JP7009711B2 JP 7009711 B2 JP7009711 B2 JP 7009711B2 JP 2017230714 A JP2017230714 A JP 2017230714A JP 2017230714 A JP2017230714 A JP 2017230714A JP 7009711 B2 JP7009711 B2 JP 7009711B2
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- JP
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- Prior art keywords
- output
- amplifier
- transmission line
- peak
- carrier
- Prior art date
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Classifications
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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
-
- 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
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
- H03F3/3044—Junction FET SEPP output stages
- H03F3/305—Junction FET SEPP output stages with symmetrical driving of the end stage
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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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/405—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising more than three power stages
-
- 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
Description
Claims (4)
- 1つのキャリアアンプと第1~第3のピークアンプを備えるドハティアンプであって、
入力信号を前記キャリアアンプと前記第1~第3のピークアンプに等しく分配する入力分配器と、
前記キャリアアンプと前記第1~第3のピークアンプを含むアンプユニットと、
前記キャリアアンプの出力に接続されたキャリアオフセット伝送線路と、前記第1~第3のピークアンプそれぞれの出力に接続された第1~第3のオフセット伝送線路を有するオフセットユニットと、
前記キャリアオフセット伝送線路および前記第1~第3のオフセット伝送線路の出力を複数の結合伝送線路を介して結合する出力結合器と、を備え、
前記キャリアオフセット伝送線路および前記第1~第3のオフセット伝送線路は、前記キャリアアンプ及び前記第1~第3のピークアンプがオフされている時の出力インピーダンスをショート状態に変換する伝送線路であり、
前記出力結合器は結合ノードを含み、前記キャリアオフセット伝送線路の出力は直接に、前記第1のピークアンプの出力に接続した前記第1のオフセット伝送線路の出力は第1の結合伝送線路を介して、前記第2のピークアンプの出力に接続した前記第2のオフセット伝送線路の出力は、第2の結合伝送線路及び前記第1の結合伝送線路を介して、前記第3のピークアンプの出力に接続した前記第3のオフセット伝送線路の出力は第3の結合伝送線路を介して、それぞれ前記結合ノードに接続する、
ドハティアンプ。 - 前記ドハティアンプの出力は、前記結合ノードに接続した出力伝送線路を介して取り出される、請求項1に記載のドハティアンプ。
- 前記キャリアオフセット伝送線路、前記第1~第3のオフセット伝送線路、及び前記第2、第3の結合伝送線路はλ/4の線路長を有し、かつ、インピーダンスが負荷インピーダンスに等しく、
前記第1の結合伝送線路は、λ/4の線路長を有し、かつ、負荷インピーダンスの1/2のインピーダンスを有する、請求項1に記載のドハティアンプ。 - 前記出力伝送線路はλ/4の線路長を有し、負荷インピーダンスの1/2のインピーダンスを有する、請求項2に記載のドハティアンプ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662427931P | 2016-11-30 | 2016-11-30 | |
US62/427,931 | 2016-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018093490A JP2018093490A (ja) | 2018-06-14 |
JP7009711B2 true JP7009711B2 (ja) | 2022-01-26 |
Family
ID=62191114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017230714A Active JP7009711B2 (ja) | 2016-11-30 | 2017-11-30 | ドハティアンプ |
Country Status (3)
Country | Link |
---|---|
US (1) | US10187015B2 (ja) |
JP (1) | JP7009711B2 (ja) |
CN (1) | CN108123690B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109327191B (zh) * | 2017-07-31 | 2023-10-24 | 安普林荷兰有限公司 | 四路多尔蒂放大器及移动通信基站 |
US10601375B2 (en) * | 2017-10-03 | 2020-03-24 | Sumitomo Electronic Devices Innovations, Inc. | Modified three-stage doherty amplifier |
CN109660214A (zh) * | 2018-12-20 | 2019-04-19 | 佛山臻智微芯科技有限公司 | 一种应用于第五代移动通信基站Doherty功率放大器 |
CN113517862A (zh) * | 2020-04-10 | 2021-10-19 | 华为技术有限公司 | 信号处理方法及装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007535828A (ja) | 2003-03-28 | 2007-12-06 | アンドリュー・コーポレーション | 高効率増幅器およびその設計方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5568086A (en) * | 1995-05-25 | 1996-10-22 | Motorola, Inc. | Linear power amplifier for high efficiency multi-carrier performance |
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 |
US6812786B2 (en) * | 2002-04-11 | 2004-11-02 | Andrew Corporation | Zero-bias bypass switching circuit using mismatched 90 degrees hybrid |
KR20060077818A (ko) * | 2004-12-31 | 2006-07-05 | 학교법인 포항공과대학교 | 비대칭 전력 구동을 이용한 전력 증폭 장치 |
KR101484796B1 (ko) | 2007-04-23 | 2015-01-20 | 달리 시스템즈 씨오. 엘티디. | N-웨이 도허티 분산형 전력 증폭기 |
EP2159912A1 (en) * | 2008-08-29 | 2010-03-03 | Alcatel, Lucent | Multi-band Doherty amplifier |
JP5243192B2 (ja) * | 2008-11-12 | 2013-07-24 | 株式会社日立国際電気 | 増幅器 |
US8115546B2 (en) * | 2009-05-15 | 2012-02-14 | Samsung Electronics Co., Ltd. | Apparatus and method for maximizing performance of peaking amplifier in doherty amplifier |
EP2403135B1 (en) | 2010-06-24 | 2013-12-11 | Alcatel Lucent | Power amplifier for mobile telecommunications |
US9077285B2 (en) | 2012-04-06 | 2015-07-07 | Freescale Semiconductor, Inc. | Electronic devices with multiple amplifier stages and methods of their manufacture |
JP2014075717A (ja) * | 2012-10-04 | 2014-04-24 | Fujitsu Ltd | ドハティ増幅器 |
JP2014175761A (ja) * | 2013-03-07 | 2014-09-22 | Japan Radio Co Ltd | ドハティ電力増幅器 |
EP2876810B1 (en) * | 2013-11-22 | 2016-04-13 | Samba Holdco Netherlands B.V. | Doherty Amplifier |
EP2933918B1 (en) * | 2014-04-15 | 2017-11-22 | Ampleon Netherlands B.V. | Ultra wideband doherty amplifier |
JP6467956B2 (ja) * | 2015-02-02 | 2019-02-13 | 日本電気株式会社 | 負荷インピーダンス調整回路を備えたドハティ増幅回路 |
EP3054589B1 (en) * | 2015-02-04 | 2018-07-04 | Ampleon Netherlands B.V. | Doherty amplifier |
CN105897182B (zh) * | 2016-05-11 | 2019-03-05 | 杭州电子科技大学 | 一种基于谐波控制的高效率Doherty功率放大器 |
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2017
- 2017-11-30 US US15/827,541 patent/US10187015B2/en active Active
- 2017-11-30 JP JP2017230714A patent/JP7009711B2/ja active Active
- 2017-11-30 CN CN201711237150.4A patent/CN108123690B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007535828A (ja) | 2003-03-28 | 2007-12-06 | アンドリュー・コーポレーション | 高効率増幅器およびその設計方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108123690B (zh) | 2023-04-28 |
US20180152149A1 (en) | 2018-05-31 |
CN108123690A (zh) | 2018-06-05 |
US10187015B2 (en) | 2019-01-22 |
JP2018093490A (ja) | 2018-06-14 |
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