JP2015506615A - 帯域幅が拡張されたドハティ電力増幅器 - Google Patents
帯域幅が拡張されたドハティ電力増幅器 Download PDFInfo
- Publication number
- JP2015506615A JP2015506615A JP2014549555A JP2014549555A JP2015506615A JP 2015506615 A JP2015506615 A JP 2015506615A JP 2014549555 A JP2014549555 A JP 2014549555A JP 2014549555 A JP2014549555 A JP 2014549555A JP 2015506615 A JP2015506615 A JP 2015506615A
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- dpa
- impedance
- doherty power
- bandwidth
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- 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
- H03F1/42—Modifications of amplifiers to extend the bandwidth
-
- 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
- H03F1/42—Modifications of amplifiers to extend the bandwidth
- H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic 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
- 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/36—Indexing scheme relating to amplifiers the amplifier comprising means for increasing the bandwidth
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21139—An impedance adaptation circuit being added at the output of a power amplifier stage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Microwave Amplifiers (AREA)
Abstract
Description
Zhigh_impedance=50*(1+γ)、
によって求められ、式中、γは電力比である。
Zhigh_impedance=50*(1+γ) (3)、
のように計算され、式中、γは、DPAの電力比である。
Claims (4)
- ドハティ電力増幅器であって、前記ドハティ電力増幅器の入力信号が入力される入力電力分配器を備え、前記入力電力分配器の一方の出力がキャリア増幅器に接続され、前記分配器の他方の出力が、第1の1/4波長線路に接続され、前記第1の1/4波長線路の他方端がピーキング増幅器に接続され、前記キャリア増幅器の一方端が第2の1/4波長線路に接続され、前記第2の1/4波長線路の他方端が前記ピーキング増幅器に接続され、前記第2の1/4波長線路と前記ピーキング増幅器との間の接合点が前記ドハティ電力増幅器の信号出力点である、ドハティ電力増幅器。
- 前記第2の1/4波長線路の特性インピーダンスZ01が、以下の等式、すなわち
- 前記ピーキング増幅器の負荷インピーダンスZ02が、以下の等式、すなわち
- 前記入力信号が小さいとき、前記ピーキング増幅器が閉じられ、前記キャリア増幅器が高インピーダンス状態で動作し、前記キャリア増幅器のインピーダンスが、以下の等式、すなわち
Zhigh_impedance=50*(1+γ)、
によって求められ、式中、γが電力比である、請求項1乃至3のいずれか1項に記載のドハティ電力増幅器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110458925.7A CN103187929B (zh) | 2011-12-29 | 带宽扩展的多尔蒂功率放大器 | |
CN201110458925.7 | 2011-12-29 | ||
PCT/IB2012/002864 WO2013098639A1 (en) | 2011-12-29 | 2012-12-12 | Bandwidth-extended doherty power amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2015506615A true JP2015506615A (ja) | 2015-03-02 |
Family
ID=47989307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014549555A Pending JP2015506615A (ja) | 2011-12-29 | 2012-12-12 | 帯域幅が拡張されたドハティ電力増幅器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9450543B2 (ja) |
EP (1) | EP2798735B1 (ja) |
JP (1) | JP2015506615A (ja) |
KR (1) | KR101678753B1 (ja) |
WO (1) | WO2013098639A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018151020A1 (ja) * | 2017-02-17 | 2018-08-23 | パナソニックIpマネジメント株式会社 | 高周波増幅器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10033335B1 (en) | 2017-05-08 | 2018-07-24 | City University Of Hong Kong | Doherty power amplifier |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006166141A (ja) * | 2004-12-08 | 2006-06-22 | Matsushita Electric Ind Co Ltd | ドハティ増幅器 |
WO2008035396A1 (fr) * | 2006-09-19 | 2008-03-27 | Panasonic Corporation | Appareil d'amplification de puissance |
JP2010226249A (ja) * | 2009-03-19 | 2010-10-07 | Hitachi Kokusai Electric Inc | 増幅装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100480496B1 (ko) | 2002-11-18 | 2005-04-07 | 학교법인 포항공과대학교 | 도허티 증폭기를 이용한 신호 증폭 장치 |
JP2004221646A (ja) | 2003-01-09 | 2004-08-05 | Nec Corp | ドハ−ティ増幅器 |
JP2004222151A (ja) | 2003-01-17 | 2004-08-05 | Nec Corp | ドハーティ増幅器 |
JP4520204B2 (ja) * | 2004-04-14 | 2010-08-04 | 三菱電機株式会社 | 高周波電力増幅器 |
KR20060077818A (ko) * | 2004-12-31 | 2006-07-05 | 학교법인 포항공과대학교 | 비대칭 전력 구동을 이용한 전력 증폭 장치 |
JP4792273B2 (ja) * | 2005-10-18 | 2011-10-12 | 株式会社日立国際電気 | 増幅器 |
ATE518298T1 (de) * | 2007-04-20 | 2011-08-15 | Fujitsu Ltd | Verstärkervorrichtung |
CN101836357A (zh) | 2007-11-21 | 2010-09-15 | 富士通株式会社 | 功率放大器 |
KR20090071834A (ko) * | 2007-12-28 | 2009-07-02 | 성균관대학교산학협력단 | 고조파 동조를 이용한 도허티 증폭기 |
KR100905948B1 (ko) * | 2008-08-28 | 2009-07-06 | (주)카이로넷 | 도허티 증폭기 및 이를 포함하는 신호 증폭 시스템, 신호 증폭 방법 |
KR101709347B1 (ko) * | 2009-12-16 | 2017-03-09 | 삼성전자주식회사 | 결합셀 도허티 전력 증폭 장치 및 방법 |
KR101091971B1 (ko) * | 2010-06-01 | 2011-12-09 | 포항공과대학교 산학협력단 | 이중 도허티 전력증폭기 |
JP5483581B2 (ja) * | 2010-07-20 | 2014-05-07 | 住友電工デバイス・イノベーション株式会社 | ドハティ増幅器および半導体装置 |
-
2012
- 2012-12-12 KR KR1020147020892A patent/KR101678753B1/ko active IP Right Grant
- 2012-12-12 WO PCT/IB2012/002864 patent/WO2013098639A1/en active Application Filing
- 2012-12-12 US US14/367,098 patent/US9450543B2/en active Active
- 2012-12-12 JP JP2014549555A patent/JP2015506615A/ja active Pending
- 2012-12-12 EP EP12834579.0A patent/EP2798735B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006166141A (ja) * | 2004-12-08 | 2006-06-22 | Matsushita Electric Ind Co Ltd | ドハティ増幅器 |
WO2008035396A1 (fr) * | 2006-09-19 | 2008-03-27 | Panasonic Corporation | Appareil d'amplification de puissance |
JP2010226249A (ja) * | 2009-03-19 | 2010-10-07 | Hitachi Kokusai Electric Inc | 増幅装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018151020A1 (ja) * | 2017-02-17 | 2018-08-23 | パナソニックIpマネジメント株式会社 | 高周波増幅器 |
JPWO2018151020A1 (ja) * | 2017-02-17 | 2019-12-12 | パナソニックIpマネジメント株式会社 | 高周波増幅器 |
US10862440B2 (en) | 2017-02-17 | 2020-12-08 | Panasonic Semiconductor Solutions Co., Ltd. | High-frequency amplifier |
Also Published As
Publication number | Publication date |
---|---|
US9450543B2 (en) | 2016-09-20 |
EP2798735A1 (en) | 2014-11-05 |
US20140347134A1 (en) | 2014-11-27 |
KR20140116439A (ko) | 2014-10-02 |
WO2013098639A1 (en) | 2013-07-04 |
EP2798735B1 (en) | 2017-07-05 |
KR101678753B1 (ko) | 2016-11-23 |
CN103187929A (zh) | 2013-07-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6184614B2 (ja) | 3ウェイ順次電力増幅器 | |
JP2006345341A (ja) | 増幅器 | |
US10069461B2 (en) | Doherty amplifier | |
JP2007150417A (ja) | 安定化回路、マルチバンド増幅回路 | |
JP2018085635A (ja) | 電力増幅器 | |
CN107508560B (zh) | 一种增强带宽性能的Doherty功率放大器及其实现方法 | |
US9935581B2 (en) | High-frequency semiconductor amplifier | |
JP2015506615A (ja) | 帯域幅が拡張されたドハティ電力増幅器 | |
US10224878B2 (en) | Power amplification device | |
Piazzon et al. | A method for designing broadband Doherty power amplifiers | |
CN108206674B (zh) | 带缺陷地结构的Doherty放大器 | |
JP5063779B2 (ja) | 低歪み増幅器および低歪み増幅器を用いたドハティ増幅器 | |
JP5862653B2 (ja) | スイッチング回路および高周波モジュール | |
JP6273741B2 (ja) | 電力増幅器、及び電力増幅器による制御方法 | |
JP4643666B2 (ja) | 2次高調波抑圧フィルタ | |
JP2007295367A (ja) | 高周波増幅器 | |
JP2015507878A (ja) | 広帯域回路及びこれを含む通信装置 | |
JP2018074255A (ja) | ドハティ型増幅器 | |
JP5685967B2 (ja) | 逓倍回路 | |
JP4142000B2 (ja) | 集積化電力増幅構造体 | |
JP5484206B2 (ja) | 差動増幅回路 | |
JP5921823B2 (ja) | 高調波抑圧回路 | |
JP5797154B2 (ja) | 分布形増幅器 | |
JP2009105507A (ja) | 減衰器および電子デバイス | |
JP4641285B2 (ja) | マイクロ波増幅器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150806 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150813 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20151113 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160212 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20160726 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161125 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20161206 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20170303 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20171225 |