JP2014030257A - 電流共有増幅器を用いた信号増幅 - Google Patents
電流共有増幅器を用いた信号増幅 Download PDFInfo
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- JP2014030257A JP2014030257A JP2013212954A JP2013212954A JP2014030257A JP 2014030257 A JP2014030257 A JP 2014030257A JP 2013212954 A JP2013212954 A JP 2013212954A JP 2013212954 A JP2013212954 A JP 2013212954A JP 2014030257 A JP2014030257 A JP 2014030257A
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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
- H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F3/505—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with field-effect devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Microwave Amplifiers (AREA)
Abstract
【解決手段】電力増幅器は増幅段を有する。増幅段はトランジスターを有する。また少なくとも1つの増幅段は駆動段を有する。増幅段は、第1のトランジスターを有し及び第1の出力電力と関連付けられた第1の増幅段、並びに第2の出力電力と関連付けられた第2のトランジスターを有する第2の増幅段、を有する。電流共有結合は、第1の増幅段と第2の増幅段を結合する。第1の増幅段と第2の増幅段は、電流共有結合を通じて電流を共有する。電流共有結合は、第1の出力電力と第2の出力電力のスケーリングを助ける。
【選択図】図1
Description
20 集積回路
30、50 抵抗器
38 駆動段
46 トランジスター
52 電流共有結合
Claims (1)
- 電力増幅器であって、信号を増幅し、
電力増幅器の複数の増幅段、及び
第1の増幅段と第2の増幅段を結合するよう機能する電流共有結合、を有し、
増幅段は前記電力増幅器により受信された信号を処理し、増幅段はトランジスターを有し、少なくとも1つの増幅段は次の段に励起を供給するよう機能する駆動段を有し前記信号を増幅し、前記複数の増幅段は、
第1の増幅段は第1の出力電力と関連付けられ、第1のトランジスターを有する第1の増幅段、及び
第2の増幅段は第2の出力電力と関連付けられ、第2のトランジスターを有する第2の増幅段、を有し、前記第1の増幅段及び前記第2の増幅段は前記電流共有結合を通じ電流を共有し、前記電流共有結合は前記第1の出力電力及び前記第2の出力電力のスケーリングを助けるよう機能する、電力増幅器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/104,777 | 2005-04-12 | ||
US11/104,777 US7256654B2 (en) | 2005-04-12 | 2005-04-12 | Amplifying a signal using a current shared power amplifier |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008506458A Division JP2008536445A (ja) | 2005-04-12 | 2006-03-02 | 電流共有増幅器を用いた信号増幅 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2014030257A true JP2014030257A (ja) | 2014-02-13 |
Family
ID=36694989
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008506458A Pending JP2008536445A (ja) | 2005-04-12 | 2006-03-02 | 電流共有増幅器を用いた信号増幅 |
JP2012029623A Pending JP2012120245A (ja) | 2005-04-12 | 2012-02-14 | 電流共有増幅器を用いた信号増幅 |
JP2013212954A Pending JP2014030257A (ja) | 2005-04-12 | 2013-10-10 | 電流共有増幅器を用いた信号増幅 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008506458A Pending JP2008536445A (ja) | 2005-04-12 | 2006-03-02 | 電流共有増幅器を用いた信号増幅 |
JP2012029623A Pending JP2012120245A (ja) | 2005-04-12 | 2012-02-14 | 電流共有増幅器を用いた信号増幅 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7256654B2 (ja) |
JP (3) | JP2008536445A (ja) |
WO (1) | WO2006112957A2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10082488B2 (en) | 2015-12-02 | 2018-09-25 | Butterfly Network, Inc. | Time gain compensation circuit and related apparatus and methods |
US10187020B2 (en) | 2015-12-02 | 2019-01-22 | Butterfly Network, Inc. | Trans-impedance amplifier for ultrasound device and related apparatus and methods |
US9492144B1 (en) | 2015-12-02 | 2016-11-15 | Butterfly Network, Inc. | Multi-level pulser and related apparatus and methods |
JP6585828B2 (ja) * | 2016-03-31 | 2019-10-02 | 日本電信電話株式会社 | ドライバ回路および光送信器 |
TW202034624A (zh) * | 2018-11-09 | 2020-09-16 | 美商蝴蝶網路公司 | 用於超音波裝置的跨阻抗放大器(tia) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS549544A (en) * | 1977-06-24 | 1979-01-24 | Citizen Watch Co Ltd | Mutual complement type insulation gate type electric field effect transistor circuit |
JPH0346806A (ja) * | 1989-07-15 | 1991-02-28 | Fujitsu Ltd | 半導体装置のバイアス回路 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61245608A (ja) * | 1985-04-24 | 1986-10-31 | Hitachi Ltd | たて積み回路 |
US4901032A (en) | 1988-12-01 | 1990-02-13 | General Electric Company | Digitally controlled variable power amplifier |
DD282789A5 (de) | 1989-04-26 | 1990-09-19 | Suhl Feinmesszeugfab Veb | Verfahren fuer einen leistungsverstaerker mit geringer phasendrehung, insbesondere fuer eine variable induktive last |
IT1229692B (it) | 1989-04-27 | 1991-09-06 | Sgs Thomson Microelectronics | Stadio di disaccoppiamento di tensione con uscita indipendente dalla temperatura. |
JPH0548480A (ja) * | 1991-08-14 | 1993-02-26 | Matsushita Electric Ind Co Ltd | マイクロ波コンバータ |
FR2688361A1 (fr) | 1992-03-03 | 1993-09-10 | Thomson Composants Militaires | Etage de sortie push-pull pour amplificateur en circuit integre. |
JP2682415B2 (ja) * | 1993-12-22 | 1997-11-26 | 日本電気株式会社 | 半導体集積回路 |
JPH09260974A (ja) | 1996-03-26 | 1997-10-03 | Mitsumi Electric Co Ltd | 増幅回路 |
DE19616443A1 (de) | 1996-04-25 | 1997-10-30 | Cafer Borucu | Gegentakt-Endstufe für analoge und digitale Schaltungen |
US5808511A (en) | 1996-08-09 | 1998-09-15 | Trw Inc. | Active feedback pre-distortion linearization |
FR2756680B1 (fr) | 1996-11-29 | 1999-02-12 | Sgs Thomson Microelectronics | Amplificateur a transconductance a dynamique elevee et faible bruit |
US5808501A (en) | 1997-03-13 | 1998-09-15 | Burr-Brown Corporation | Voltage level shifter and method |
US5889432A (en) * | 1997-09-30 | 1999-03-30 | Samsung Electronics Co., Ltd. | Two-stage differential microwave amplifier with bias current sharing and automatic gain control |
JPH11346125A (ja) | 1998-06-01 | 1999-12-14 | Sony Corp | Srpp回路 |
US6320462B1 (en) | 2000-04-12 | 2001-11-20 | Raytheon Company | Amplifier circuit |
US6864742B2 (en) | 2001-06-08 | 2005-03-08 | Northrop Grumman Corporation | Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers |
JP3932259B2 (ja) * | 2001-12-12 | 2007-06-20 | 株式会社ルネサステクノロジ | 高周波電力増幅回路および無線通信用電子部品 |
JP2003332864A (ja) * | 2002-05-17 | 2003-11-21 | Mitsubishi Electric Corp | 多段増幅回路 |
JP2004193846A (ja) * | 2002-12-10 | 2004-07-08 | Renesas Technology Corp | 高周波電力増幅用電子部品および無線通信システム |
-
2005
- 2005-04-12 US US11/104,777 patent/US7256654B2/en not_active Expired - Fee Related
-
2006
- 2006-03-02 JP JP2008506458A patent/JP2008536445A/ja active Pending
- 2006-03-02 WO PCT/US2006/007522 patent/WO2006112957A2/en active Application Filing
-
2012
- 2012-02-14 JP JP2012029623A patent/JP2012120245A/ja active Pending
-
2013
- 2013-10-10 JP JP2013212954A patent/JP2014030257A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS549544A (en) * | 1977-06-24 | 1979-01-24 | Citizen Watch Co Ltd | Mutual complement type insulation gate type electric field effect transistor circuit |
JPH0346806A (ja) * | 1989-07-15 | 1991-02-28 | Fujitsu Ltd | 半導体装置のバイアス回路 |
Also Published As
Publication number | Publication date |
---|---|
US20060226902A1 (en) | 2006-10-12 |
US7256654B2 (en) | 2007-08-14 |
JP2012120245A (ja) | 2012-06-21 |
JP2008536445A (ja) | 2008-09-04 |
WO2006112957A3 (en) | 2007-02-08 |
WO2006112957A2 (en) | 2006-10-26 |
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