JP4836253B2 - 電力増幅装置および携帯電話端末 - Google Patents
電力増幅装置および携帯電話端末 Download PDFInfo
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- JP4836253B2 JP4836253B2 JP2006238118A JP2006238118A JP4836253B2 JP 4836253 B2 JP4836253 B2 JP 4836253B2 JP 2006238118 A JP2006238118 A JP 2006238118A JP 2006238118 A JP2006238118 A JP 2006238118A JP 4836253 B2 JP4836253 B2 JP 4836253B2
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- power amplifier
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- 230000003321 amplification Effects 0.000 title claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 title claims description 6
- 239000003990 capacitor Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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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
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0277—Selecting one or more amplifiers from a plurality of 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
-
- 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
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
-
- 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
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- 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
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/108—A coil being added in the drain circuit of a FET amplifier stage, e.g. for noise reducing purposes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/222—A circuit being added at the input of an amplifier to adapt the input impedance of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/318—A matching circuit being used as coupling element between two amplifying stages
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/391—Indexing scheme relating to amplifiers the output circuit of an amplifying stage comprising an LC-network
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/417—A switch coupled in the output circuit of an amplifier being controlled by a circuit
-
- 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
- H03F2203/21145—Output signals are combined by switching a plurality of paralleled power amplifiers to a common output
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Description
Claims (2)
- 入力信号を受ける入力端子と、
前記入力信号を増幅する、A級またはAB級動作にバイアス設定した第1の電力増幅器と、
この第1の電力増幅器の出力が接続される出力端子と、
前記入力信号の一部を分岐して入力し増幅する、C級動作にバイアス設定した第2の電力増幅器と、
この第2の電力増幅器の出力と前記出力端子との間に接続したスイッチとを備え、
前記スイッチは、カソード端子に前記第2の電力増幅器の出力を受け、アノード端子が前記出力端子に接続されたPINダイオードを含み、
入力信号の電力値に応じて、前記電力値が低いときは前記第1の電力増幅器が動作状態となり前記第2の電力増幅器は休止状態となるとともに前記PINダイオードはOFF状態にあり、入力信号の電力値に応じて、前記電力値が増加し、ある値を超えた場合に、前記第2の電力増幅器が動作状態となるとともに、前記PINダイオードがオンし、前記第1および第2の電力増幅器の出力が合成される
ことを特徴とする電力増幅装置。 - OFDM変調信号の電力増幅を行う電力増幅装置を備えた携帯電話端末であって、
前記電力増幅装置は、
入力信号を受ける入力端子と、
前記入力信号を増幅する、A級またはAB級動作にバイアス設定した第1の電力増幅器と、
この第1の電力増幅器の出力が接続される出力端子と、
前記入力信号の一部を分岐して入力し増幅する、C級動作にバイアス設定した第2の電力増幅器と、
この第2の電力増幅器の出力と前記出力端子との間に接続したスイッチとを備え、
前記スイッチは、カソード端子に前記第2の電力増幅器の出力を受け、アノード端子が前記出力端子に接続されたPINダイオードを含み、
入力信号の電力値に応じて、前記電力値が低いときは前記第1の電力増幅器が動作状態となり前記第2の電力増幅器は休止状態となるとともに前記PINダイオードはOFF状態にあり、入力信号の電力値に応じて、前記電力値が増加し、ある値を超えた場合に、前記第2の電力増幅器が動作状態となるとともに、前記PINダイオードがオンし、前記第1および第2の電力増幅器の出力が合成される
ことを特徴とする携帯電話端末。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006238118A JP4836253B2 (ja) | 2006-09-01 | 2006-09-01 | 電力増幅装置および携帯電話端末 |
US11/840,691 US7589589B2 (en) | 2006-09-01 | 2007-08-17 | Power amplifying apparatus and mobile communication terminal |
EP07115307A EP1898521B1 (en) | 2006-09-01 | 2007-08-30 | Power amplifying apparatus and mobile communication terminal |
KR1020070088113A KR20080020960A (ko) | 2006-09-01 | 2007-08-31 | 전력 증폭 장치 및 휴대 전화 단말기 |
US12/423,344 US7928799B2 (en) | 2006-09-01 | 2009-04-14 | Power amplifying apparatus and mobile communication terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006238118A JP4836253B2 (ja) | 2006-09-01 | 2006-09-01 | 電力増幅装置および携帯電話端末 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008061124A JP2008061124A (ja) | 2008-03-13 |
JP4836253B2 true JP4836253B2 (ja) | 2011-12-14 |
Family
ID=38709142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006238118A Expired - Fee Related JP4836253B2 (ja) | 2006-09-01 | 2006-09-01 | 電力増幅装置および携帯電話端末 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7589589B2 (ja) |
EP (1) | EP1898521B1 (ja) |
JP (1) | JP4836253B2 (ja) |
KR (1) | KR20080020960A (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5099908B2 (ja) * | 2008-07-31 | 2012-12-19 | パナソニック株式会社 | ドハティ合成回路及びドハティ増幅器 |
EP2426816A1 (en) * | 2009-04-28 | 2012-03-07 | Panasonic Corporation | Power amplifier |
KR101087629B1 (ko) * | 2009-12-30 | 2011-11-30 | 광주과학기술원 | 다중 대역 전력증폭기 |
JP5444173B2 (ja) * | 2010-09-08 | 2014-03-19 | 株式会社東芝 | 増幅器及びアンプ制御方法 |
CN102185571A (zh) * | 2011-04-29 | 2011-09-14 | 中兴通讯股份有限公司 | 峰值放大器的导通控制方法、装置及多合体功率放大器 |
CN102761310B (zh) | 2011-04-29 | 2015-06-10 | 中兴通讯股份有限公司 | 一种多合体功率放大器及其实现方法 |
JP5696911B2 (ja) * | 2011-05-18 | 2015-04-08 | 株式会社村田製作所 | 電力増幅器およびその動作方法 |
US8649744B2 (en) | 2011-09-08 | 2014-02-11 | Alcatel Lucent | Radio-frequency transmitter, such as for broadcasting and cellular base stations |
US8798561B2 (en) | 2011-09-08 | 2014-08-05 | Alcatel Lucent | Radio-frequency circuit having a transcoupling element |
JP5754362B2 (ja) * | 2011-12-07 | 2015-07-29 | 富士通株式会社 | 増幅器 |
JP2013192135A (ja) * | 2012-03-15 | 2013-09-26 | Panasonic Corp | ドハティ増幅器 |
US8847687B2 (en) * | 2012-03-26 | 2014-09-30 | Agilent Technologies, Inc. | Multi-path broadband amplifier |
JP2014116844A (ja) * | 2012-12-11 | 2014-06-26 | Murata Mfg Co Ltd | 半導体モジュール |
US9071202B2 (en) * | 2013-10-18 | 2015-06-30 | Alcatel Lucent | Doherty amplifier with peak branch RF conditioning |
JP5900756B2 (ja) * | 2014-02-28 | 2016-04-06 | 株式会社村田製作所 | 電力増幅モジュール |
CN107408928A (zh) * | 2014-12-29 | 2017-11-28 | 西门子有限责任公司 | 用于rf高功率生成的布置 |
US10243525B2 (en) * | 2015-06-15 | 2019-03-26 | Hitachi Kokusai Electric Inc. | Power amplifier and radio transmitter |
EP3926827A1 (en) * | 2020-06-18 | 2021-12-22 | Renesas Electronics America Inc. | Variable gain amplifier system, particularly for optical receiver systems |
CN111682859A (zh) * | 2020-07-09 | 2020-09-18 | 西安电子科技大学 | 一种低功耗ab类cmos的功率放大器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9305438A (pt) * | 1992-03-13 | 1994-08-02 | Motorola Inc | Rede combinada amplificadora de potência de sinal de radiofrequência (RF) e dispositivo de comunicações de sinal de radiofrequência de modo duplo |
US5420541A (en) | 1993-06-04 | 1995-05-30 | Raytheon Company | Microwave doherty amplifier |
SE0200127D0 (en) | 2002-01-16 | 2002-01-16 | Ericsson Telefon Ab L M | Composite amplifier |
US6700444B2 (en) | 2002-01-28 | 2004-03-02 | Cree Microwave, Inc. | N-way RF power amplifier with increased backoff power and power added efficiency |
US6853244B2 (en) | 2003-06-24 | 2005-02-08 | Northrop Grumman Corproation | Multi-mode multi-amplifier architecture |
JP4589665B2 (ja) * | 2003-08-29 | 2010-12-01 | ルネサスエレクトロニクス株式会社 | 増幅器及びそれを用いた高周波電力増幅器 |
JP2005117599A (ja) | 2003-10-08 | 2005-04-28 | Hiroshi Suzuki | 高周波増幅器 |
JP4137815B2 (ja) * | 2004-02-19 | 2008-08-20 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 電力増幅装置及び携帯通信端末装置 |
JP4541113B2 (ja) * | 2004-11-19 | 2010-09-08 | パナソニック株式会社 | ドハティアンプ |
JP4537187B2 (ja) * | 2004-12-06 | 2010-09-01 | 株式会社日立国際電気 | 増幅装置 |
KR101083920B1 (ko) * | 2006-08-11 | 2011-11-15 | 엘지에릭슨 주식회사 | 다중 입출력 경로 도허티 증폭기 |
-
2006
- 2006-09-01 JP JP2006238118A patent/JP4836253B2/ja not_active Expired - Fee Related
-
2007
- 2007-08-17 US US11/840,691 patent/US7589589B2/en not_active Expired - Fee Related
- 2007-08-30 EP EP07115307A patent/EP1898521B1/en not_active Expired - Fee Related
- 2007-08-31 KR KR1020070088113A patent/KR20080020960A/ko not_active Application Discontinuation
-
2009
- 2009-04-14 US US12/423,344 patent/US7928799B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2008061124A (ja) | 2008-03-13 |
US7589589B2 (en) | 2009-09-15 |
US7928799B2 (en) | 2011-04-19 |
US20080055001A1 (en) | 2008-03-06 |
EP1898521B1 (en) | 2011-07-27 |
US20090201085A1 (en) | 2009-08-13 |
EP1898521A1 (en) | 2008-03-12 |
KR20080020960A (ko) | 2008-03-06 |
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