JP4810094B2 - 供給及びバイアスの向上による電力増幅システム - Google Patents
供給及びバイアスの向上による電力増幅システム Download PDFInfo
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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
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
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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
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
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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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
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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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor 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
- H03F3/20—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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/004—Control by varying the supply voltage
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/18—Indexing scheme relating to amplifiers the bias of the gate of a FET being controlled by a control signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/181—A coil being added in the gate 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
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- 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
- H03F2200/411—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising two power stages
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/516—Some amplifier stages of an amplifier use supply voltages of different value
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/555—A voltage generating circuit being realised for biasing different circuit elements
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- 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7227—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch in the supply circuit of the amplifier
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Description
Claims (12)
- パワーアンプの作動方法であって、
バイアス電流回路に結合される高周波(RF)トランジスタのベース端子をRFトランジスタに設けるステップと、
前記RFトランジスタの前記バイアス電流回路から切り離された前記RFトランジスタのコレクタ端子に供給電圧を供給すると共に、前記供給電圧に依存しない参照電圧に基づいた参照電流を生成する電力コントローラを設けるステップと、
前記参照電流を前記バイアス電流回路に供給するステップと、
前記パワーアンプによって出力される出力電力に依存して変化する前記参照電流に基づいて前記バイアス電流回路の電流ドローをモニタするステップと、
前記バイアス電流回路の電流ドローに基づいて前記電力コントローラの前記供給電圧を変化するステップと、
前記パワーアンプによって出力される各々の出力電力レベル毎に前記RFトランジスタの前記ベース端子に概ね一定のバイアス電流を維持するステップと
を備えるパワーアンプの作動方法。 - 前記パワーアンプの前記出力電力は前記バイアス電流回路の前記電流ドローに比例する請求項1記載の方法。
- 前記電力コントローラは、複数の出力電力レベルを提供する請求項1記載の方法。
- パワーアンプの作動方法であって、
バイアス回路に結合される高周波(RF)トランジスタのベース端子をRFトランジスタに設けるステップと、
前記RFトランジスタの前記バイアス電流回路から切り離されたコレクタ端子を設けるステップと、
前記バイアス電流回路を供給電圧に依存しない参照電圧に連結するステップと、
前記供給電圧を前記RFトランジスタの前記コレクタ端子に供給するステップと、
前記RFトランジスタの前記コレクタ端子に前記供給電圧を供給する電力コントローラで前記参照電圧に基づいた参照電流を生成して前記バイアス電流回路に供給し、前記パワーアンプによって出力される出力電力に依存して変化する前記参照電流に基づいて前記バイアス電流回路の電流ドローをモニタするステップと、
前記バイアス電流回路の前記電流ドローに基づいて前記電力コントローラの前記供給電圧を変化するステップと、
前記パワーアンプの前記出力電力は前記バイアス電流回路の前記電流ドローに比例し、前記電力コントローラは複数の出力電力レベルを提供し、
さらに前記パワーアンプによって出力される各々の出力電力レベル毎に前記RFトランジスタの前記ベース端子に概ね一定のバイアス電流を維持するステップと
を備えるパワーアンプの作動方法。 - ベース端子、コレクタ端子及びエミッタ端子を有する少なくとも一つの高周波(RF)トランジスタを備えるパワーアンプと、
前記RFトランジスタのベース端子に概ね一定の電流を供給するバイアス電流回路であって前記RFトランジスタのコレクタ端子から切り離されるバイアス電流回路と、
前記RFトランジスタの前記バイアス電流回路から切り離された前記RFトランジスタの前記コレクタ端子に供給電圧を供給すると共に、前記供給電圧に依存しない参照電圧に基づいた参照電流を生成し、前記参照電流は前記パワーアンプによって出力される出力電力に依存して変化するものであり、前記参照電流を前記バイアス電流回路に供給し、前記参照電流に基づいて前記バイアス電流回路の電流ドローをモニタし、前記電流ドローに基づいて前記供給電圧を変化する電力コントローラとを備え、
前記電力コントローラによって提供される供給電圧は、前記パワーアンプの概ね線形の動作を継続しつつ、前記RFトランジスタのコレクタ端子に供給される電力増幅システム。 - 前記パワーアンプの前記出力電力は前記バイアス電流回路の電流ドローに比例する請求項5記載の電力増幅システム。
- 前記電力コントローラは複数の出力レベル提供、電流検出、及びルックアップテーブルの機能を提供するように構成される請求項5記載の電力増幅システム。
- 前記バイアス電流回路は前記パワーアンプによって出力される各々の出力電力レベル毎に前記RFトランジスタの前記ベース端子に概ね一定のバイアス電流を維持するためにも構成される請求項5記載の電力増幅システム。
- さらにパーソナルコミュニケーションデバイス用のデータ構造及びオペレーティングハードウェア及びオペレーティングソフトウェアを備える請求項5記載の電力増幅システム。
- 前記バイアス電流回路はさらに定電流源及びカレントミラー回路を備える請求項5記載の電力増幅システム。
- 前記パワーアンプは前記パワーアンプをターンオンするためのイネイブリング入力に連結される少なくとも一つのイネイブルピンをさらに備える請求項5記載の電力増幅システム。
- 前記パワーアンプに低バイアス電圧を供給するためのVモードピンをさらに備える請求項5記載の電力増幅システム。
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Application Number | Priority Date | Filing Date | Title |
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US10/167,530 | 2002-06-11 | ||
US10/167,530 US6784748B1 (en) | 2000-02-24 | 2002-06-11 | Power amplifying system with supply and bias enhancements |
PCT/US2003/017747 WO2003105338A1 (en) | 2002-06-11 | 2003-06-06 | Power amplifying system with supply and bias enhancements |
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JP2011156505A Division JP5330464B2 (ja) | 2002-06-11 | 2011-07-15 | 供給及びバイアスの向上による電力増幅システム |
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JP2005530387A JP2005530387A (ja) | 2005-10-06 |
JP4810094B2 true JP4810094B2 (ja) | 2011-11-09 |
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JP2004512285A Expired - Lifetime JP4810094B2 (ja) | 2002-06-11 | 2003-06-06 | 供給及びバイアスの向上による電力増幅システム |
JP2011156505A Expired - Lifetime JP5330464B2 (ja) | 2002-06-11 | 2011-07-15 | 供給及びバイアスの向上による電力増幅システム |
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JP2011156505A Expired - Lifetime JP5330464B2 (ja) | 2002-06-11 | 2011-07-15 | 供給及びバイアスの向上による電力増幅システム |
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Country | Link |
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US (1) | US6784748B1 (ja) |
EP (1) | EP1512221B1 (ja) |
JP (2) | JP4810094B2 (ja) |
AU (1) | AU2003274387A1 (ja) |
WO (1) | WO2003105338A1 (ja) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003216835A1 (en) * | 2002-03-20 | 2003-10-08 | Roke Manor Research Limited | A bias circuit for a bipolar transistor |
US6806767B2 (en) * | 2002-07-09 | 2004-10-19 | Anadigics, Inc. | Power amplifier with load switching circuit |
US6922107B1 (en) * | 2002-12-23 | 2005-07-26 | Dynalinear Technologies, Inc. | Dual (constant voltage/constant current) bias supply for linear power amplifiers |
US7026876B1 (en) | 2003-02-21 | 2006-04-11 | Dynalinear Technologies, Inc. | High linearity smart HBT power amplifiers for CDMA/WCDMA application |
US7057461B1 (en) | 2003-03-19 | 2006-06-06 | Dynalinear Technologies, Inc. | Heterostructure bipolar transistor power amplifier module with dynamic voltage supply for improved efficiency |
US7301400B1 (en) * | 2004-06-02 | 2007-11-27 | Rf Micro Devices, Inc. | Multi-phase switching power supply for mobile telephone applications |
JP2006033204A (ja) * | 2004-07-14 | 2006-02-02 | Toshiba Corp | オーディオ信号処理装置 |
EP1800395B1 (en) | 2004-10-08 | 2010-09-08 | Nxp B.V. | Dual bias control circuit |
JP4519659B2 (ja) * | 2005-01-06 | 2010-08-04 | ルネサスエレクトロニクス株式会社 | バイアス回路 |
JP2008529361A (ja) * | 2005-01-21 | 2008-07-31 | レスポンシブ イノベーションズ,エルエルシー | トランスミッタ制御コミュニケーションリンク |
US7330716B2 (en) | 2005-01-21 | 2008-02-12 | Responsive Innovations, Llc | Wireless communication system |
US8041347B2 (en) | 2005-01-21 | 2011-10-18 | Responsive Innovations, Llc | Transmitter controlled communication links |
US7362179B2 (en) * | 2005-01-24 | 2008-04-22 | Via Technologies Inc. | Power amplifier circuit and method thereof |
US7676239B1 (en) * | 2005-02-24 | 2010-03-09 | National Semiconductor Corporation | System and method for providing a power controller with flat amplitude and phase response |
US7242252B2 (en) * | 2005-03-29 | 2007-07-10 | Intel Corporation | Transistor bias current regulation apparatus, method, and system |
TWI324462B (en) * | 2005-12-20 | 2010-05-01 | Via Tech Inc | A control method for producing a ramp of output power and a transmitter utilizing the same |
US7542741B2 (en) * | 2006-01-31 | 2009-06-02 | Skyworks Solutions, Inc. | System and method for power mapping to compensate for power amplifier gain control variations |
US8032096B2 (en) * | 2006-09-29 | 2011-10-04 | Broadcom Corporation | Method and system for compensating for antenna pulling |
US20080108298A1 (en) * | 2006-11-07 | 2008-05-08 | Selen Mats A | Certified two way source initiated transfer |
US7787834B2 (en) * | 2007-02-08 | 2010-08-31 | Broadcom Corporation | Voice, data and RF integrated circuit with off-chip power amplifier and methods for use therewith |
KR20090049154A (ko) * | 2007-11-13 | 2009-05-18 | 삼성전자주식회사 | 다수개의 통신 모듈을 포함하는 통합 통신 모듈 및 제어방법 |
US8063621B2 (en) * | 2008-11-05 | 2011-11-22 | Semiconductor Components Industries Llc | Current balancing circuit and method |
US9088260B2 (en) | 2008-12-03 | 2015-07-21 | Freescale Semiconductor, Inc. | Operating parameter control for a power amplifier |
US8588433B2 (en) * | 2010-03-17 | 2013-11-19 | Baltic Latvian Universal Electronics, Llc | Electret microphone circuit |
US8688061B2 (en) * | 2010-08-09 | 2014-04-01 | Skyworks Solutions, Inc. | System and method for biasing a power amplifier |
KR101800728B1 (ko) * | 2011-10-14 | 2017-11-24 | 삼성전자주식회사 | 전력 증폭기의 동작 영역을 확대하기 위한 장치 및 방법 |
US9537456B2 (en) * | 2012-10-30 | 2017-01-03 | Eta Devices, Inc. | Asymmetric multilevel backoff amplifier with radio-frequency splitter |
US9166536B2 (en) | 2012-10-30 | 2015-10-20 | Eta Devices, Inc. | Transmitter architecture and related methods |
US8829993B2 (en) | 2012-10-30 | 2014-09-09 | Eta Devices, Inc. | Linearization circuits and methods for multilevel power amplifier systems |
US9455670B2 (en) * | 2013-07-23 | 2016-09-27 | Peregrine Semiconductor Corporation | Scalable periphery for digital power control |
US9455669B2 (en) * | 2013-10-11 | 2016-09-27 | Skyworks Solutions, Inc. | Apparatus and methods for phase compensation in power amplifiers |
JP5958774B2 (ja) | 2014-02-04 | 2016-08-02 | 株式会社村田製作所 | 電力増幅モジュール |
US9768731B2 (en) | 2014-07-23 | 2017-09-19 | Eta Devices, Inc. | Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions |
KR102304306B1 (ko) * | 2015-08-12 | 2021-09-23 | 삼성전자주식회사 | Rf 신호 송신을 위한 전자 장치의 동작 방법 및 그 전자 장치 |
KR102379096B1 (ko) * | 2015-08-12 | 2022-03-25 | 삼성전자주식회사 | Rf 신호 송신을 위한 전자 장치의 동작 방법 및 그 전자 장치 |
TWI591892B (zh) * | 2015-08-18 | 2017-07-11 | 啟碁科技股份有限公司 | 無線通訊裝置及其改善特定吸收比率值的方法 |
JP2018037839A (ja) * | 2016-08-31 | 2018-03-08 | 株式会社村田製作所 | 電力増幅回路 |
FR3059493B1 (fr) * | 2016-11-29 | 2019-11-22 | Stmicroelectronics Sa | Regulation d'un amplificateur rf |
DE102016123268B3 (de) | 2016-12-01 | 2018-03-01 | Lisa Dräxlmaier GmbH | Ladegerät und verfahren zum induktiven laden eines mobilen gerätes innerhalb eines kraftfahrzeuges |
US10666200B2 (en) | 2017-04-04 | 2020-05-26 | Skyworks Solutions, Inc. | Apparatus and methods for bias switching of power amplifiers |
JP2020022163A (ja) | 2018-08-01 | 2020-02-06 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | 可変電力増幅器バイアスインピーダンス |
US11901921B2 (en) * | 2020-11-02 | 2024-02-13 | Nokia Solutions And Networks Oy | Radio apparatus |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62277806A (ja) * | 1986-05-26 | 1987-12-02 | Nippon Telegr & Teleph Corp <Ntt> | 高周波増幅器 |
JPH0781254B2 (ja) * | 1989-10-02 | 1995-08-30 | 株式会社クボタ | 消波ブロック |
US5079517A (en) * | 1991-02-04 | 1992-01-07 | Motorola, Inc. | Circuit for DC control of a compressor |
JP2591466B2 (ja) * | 1994-04-13 | 1997-03-19 | 日本電気株式会社 | 電力増幅回路 |
US5493255A (en) * | 1995-03-21 | 1996-02-20 | Nokia Mobile Phones Ltd. | Bias control circuit for an RF power amplifier |
US5724005A (en) * | 1996-04-25 | 1998-03-03 | Lucent Technologies Inc. | Linear power amplifier with automatic gate/base bias control for optimum efficiency |
JPH1051245A (ja) * | 1996-07-29 | 1998-02-20 | Mitsubishi Electric Corp | バイポーラトランジスタのバイアス回路 |
GB2317289B (en) * | 1996-09-12 | 2001-03-14 | Nokia Mobile Phones Ltd | Amplifier system |
JP3479422B2 (ja) * | 1996-11-22 | 2003-12-15 | アルプス電気株式会社 | 利得制御型トランジスタ電力増幅器 |
JP3922773B2 (ja) * | 1997-11-27 | 2007-05-30 | 三菱電機株式会社 | 電力増幅器 |
US6081161A (en) * | 1998-05-18 | 2000-06-27 | Omnipoint Corporation | Amplifier with dynamatically adaptable supply voltage |
JP2000101205A (ja) * | 1998-09-21 | 2000-04-07 | Sony Chem Corp | 金属張積層板及びこれを用いたフレキシブルプリント配線板 |
JP2000101357A (ja) * | 1998-09-22 | 2000-04-07 | Wako Technical Kk | 自動バイアス調整回路及びこれを含む管球式アンプ |
US6178313B1 (en) * | 1998-12-31 | 2001-01-23 | Nokia Mobile Phones Limited | Control of gain and power consumption in a power amplifier |
JP3471648B2 (ja) * | 1999-02-26 | 2003-12-02 | 富士通カンタムデバイス株式会社 | パワーアンプ回路及びそのバイアス回路 |
FR2799063B1 (fr) * | 1999-09-24 | 2001-12-21 | Centre Nat Etd Spatiales | Emetteur de signaux radioelectriques modules a polarisation d'amplification auto-adaptee |
JP3474825B2 (ja) * | 2000-03-13 | 2003-12-08 | 富士通カンタムデバイス株式会社 | 高周波電力増幅器および通信装置 |
JP3532834B2 (ja) * | 2000-06-27 | 2004-05-31 | 富士通カンタムデバイス株式会社 | 高周波増幅器バイアス回路、高周波電力増幅器および通信装置 |
JP2002094337A (ja) * | 2000-09-14 | 2002-03-29 | Mitsubishi Electric Corp | ベース電流補償回路 |
JP3631426B2 (ja) * | 2000-09-25 | 2005-03-23 | 株式会社東芝 | 高出力増幅器 |
WO2002045253A1 (fr) * | 2000-12-01 | 2002-06-06 | Mitsubishi Denki Kabushiki Kaisha | Amplificateur haute fréquence |
-
2002
- 2002-06-11 US US10/167,530 patent/US6784748B1/en not_active Expired - Lifetime
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2003
- 2003-06-06 AU AU2003274387A patent/AU2003274387A1/en not_active Abandoned
- 2003-06-06 JP JP2004512285A patent/JP4810094B2/ja not_active Expired - Lifetime
- 2003-06-06 WO PCT/US2003/017747 patent/WO2003105338A1/en active Application Filing
- 2003-06-06 EP EP03741882.9A patent/EP1512221B1/en not_active Expired - Lifetime
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WO2003105338A1 (en) | 2003-12-18 |
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EP1512221B1 (en) | 2013-08-28 |
EP1512221A1 (en) | 2005-03-09 |
JP2005530387A (ja) | 2005-10-06 |
JP5330464B2 (ja) | 2013-10-30 |
US6784748B1 (en) | 2004-08-31 |
AU2003274387A1 (en) | 2003-12-22 |
JP2011239457A (ja) | 2011-11-24 |
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