DE69824873D1 - Verfahren und vorrichtung zum verstärken eines signals - Google Patents
Verfahren und vorrichtung zum verstärken eines signalsInfo
- Publication number
- DE69824873D1 DE69824873D1 DE69824873T DE69824873T DE69824873D1 DE 69824873 D1 DE69824873 D1 DE 69824873D1 DE 69824873 T DE69824873 T DE 69824873T DE 69824873 T DE69824873 T DE 69824873T DE 69824873 D1 DE69824873 D1 DE 69824873D1
- Authority
- DE
- Germany
- Prior art keywords
- amplifying
- signal
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
-
- 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
- H03F1/0216—Continuous control
- H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
- H03F1/0238—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply using supply converters
-
- 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
- H03F1/02—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
- H03G—CONTROL OF AMPLIFICATION
- H03G2201/00—Indexing scheme relating to subclass H03G
- H03G2201/10—Gain control characterised by the type of controlled element
- H03G2201/106—Gain control characterised by the type of controlled element being attenuating element
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US940563 | 1997-09-30 | ||
US08/940,563 US5886575A (en) | 1997-09-30 | 1997-09-30 | Apparatus and method for amplifying a signal |
PCT/US1998/009543 WO1999017443A1 (en) | 1997-09-30 | 1998-05-08 | Apparatus and method for amplifying a signal |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69824873D1 true DE69824873D1 (de) | 2004-08-05 |
DE69824873T2 DE69824873T2 (de) | 2005-06-30 |
Family
ID=25475057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69824873T Expired - Lifetime DE69824873T2 (de) | 1997-09-30 | 1998-05-08 | Verfahren und vorrichtung zum verstärken eines signals |
Country Status (7)
Country | Link |
---|---|
US (1) | US5886575A (de) |
EP (1) | EP1020026B1 (de) |
JP (1) | JP4088415B2 (de) |
KR (1) | KR100329133B1 (de) |
BR (1) | BR9812398A (de) |
DE (1) | DE69824873T2 (de) |
WO (1) | WO1999017443A1 (de) |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1724917A1 (de) * | 1999-03-31 | 2006-11-22 | NTT Mobile Communications Network Inc. | Vorwärtskopplungsverstärker |
EP1054507A3 (de) * | 1999-05-19 | 2001-07-04 | Nokia Mobile Phones Ltd. | Mobile Station mit asymetrischer Nutzung eines Differenzleistungsverstärkers für reduzierte Ausgangsleistung |
US6396350B2 (en) * | 2000-02-09 | 2002-05-28 | Paradigm Wireless Systems, Inc. | Power booster method and apparatus for improving the performance of radio frequency linear power amplifiers |
US6492867B2 (en) | 2000-03-10 | 2002-12-10 | Paragon Communications Ltd. | Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
US6437641B1 (en) | 2000-03-10 | 2002-08-20 | Paragon Communications Ltd. | Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
WO2001067593A2 (en) * | 2000-03-10 | 2001-09-13 | Paragon Communications Ltd. | Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
US6825719B1 (en) | 2000-05-26 | 2004-11-30 | Intel Corporation | RF power amplifier and methods for improving the efficiency thereof |
SE0002148L (sv) * | 2000-06-06 | 2001-11-26 | Ericsson Telefon Ab L M | Sammansatt förstärkare |
SE520760C2 (sv) * | 2000-06-06 | 2003-08-19 | Ericsson Telefon Ab L M | Doherty-förstärkare av flerstegstyp |
US6587511B2 (en) | 2001-01-26 | 2003-07-01 | Intel Corporation | Radio frequency transmitter and methods thereof |
US6864742B2 (en) * | 2001-06-08 | 2005-03-08 | Northrop Grumman Corporation | Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers |
US6469581B1 (en) | 2001-06-08 | 2002-10-22 | Trw Inc. | HEMT-HBT doherty microwave amplifier |
DE10135993A1 (de) * | 2001-07-24 | 2003-05-08 | Siemens Ag | Verfahren zur Reduzierung der Verlustleistung bei linearen Verstärkern und zugehörige Vorrichtung |
US20030125065A1 (en) * | 2001-12-27 | 2003-07-03 | Ilan Barak | Method and apparatus for generating an output signal |
US20030123566A1 (en) * | 2001-12-27 | 2003-07-03 | Jaime Hasson | Transmitter having a sigma-delta modulator with a non-uniform polar quantizer and methods thereof |
KR100553252B1 (ko) * | 2002-02-01 | 2006-02-20 | 아바고테크놀로지스코리아 주식회사 | 휴대용 단말기의 전력 증폭 장치 |
US7345537B2 (en) * | 2002-09-20 | 2008-03-18 | Triquint Semiconductor, Inc. | Linear power amplifier with multiple output power levels |
AU2003277174A1 (en) * | 2002-09-20 | 2004-04-08 | Triquint Semiconductor, Inc. | Saturated power amplifier with selectable and variable output power levels |
US6894561B2 (en) * | 2002-09-20 | 2005-05-17 | Triquint Semiconductor, Inc. | Efficient power control of a power amplifier by periphery switching |
JP4209652B2 (ja) * | 2002-09-24 | 2009-01-14 | 三菱電機株式会社 | 高周波電力増幅器 |
KR100480496B1 (ko) * | 2002-11-18 | 2005-04-07 | 학교법인 포항공과대학교 | 도허티 증폭기를 이용한 신호 증폭 장치 |
US7221219B2 (en) * | 2002-12-19 | 2007-05-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Composite amplifier structure |
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 |
US7336753B2 (en) * | 2003-06-26 | 2008-02-26 | Marvell International Ltd. | Transmitter |
US7912145B2 (en) * | 2003-12-15 | 2011-03-22 | Marvell World Trade Ltd. | Filter for a modulator and methods thereof |
US7356315B2 (en) * | 2003-12-17 | 2008-04-08 | Intel Corporation | Outphasing modulators and methods of outphasing modulation |
JP4715994B2 (ja) * | 2004-08-26 | 2011-07-06 | 日本電気株式会社 | ドハティ増幅器並列運転回路 |
US7327803B2 (en) * | 2004-10-22 | 2008-02-05 | Parkervision, Inc. | Systems and methods for vector power amplification |
US7355470B2 (en) * | 2006-04-24 | 2008-04-08 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
US7148746B2 (en) | 2004-10-26 | 2006-12-12 | Andrew Corporation | High efficiency amplifier |
US7142053B2 (en) * | 2004-12-06 | 2006-11-28 | Skyworks Solutions, Inc. | Voltage clamp for improved transient performance of a collector voltage controlled power amplifier |
JP4387936B2 (ja) * | 2004-12-13 | 2009-12-24 | 株式会社東芝 | 高周波用のドハティ型の高効率増幅器、およびその信号処理方法 |
WO2006068546A1 (en) * | 2004-12-21 | 2006-06-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Power amplifier system |
EP1708358A3 (de) * | 2005-03-11 | 2006-12-06 | LG Electronics Inc. | Mobiles Kommunikationsendgerät mit Steuerspannungsvorrichtung und Verfahren |
JP2007053540A (ja) * | 2005-08-17 | 2007-03-01 | Nec Corp | ドハティ型増幅器 |
US7911272B2 (en) | 2007-06-19 | 2011-03-22 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments |
US8013675B2 (en) | 2007-06-19 | 2011-09-06 | Parkervision, Inc. | Combiner-less multiple input single output (MISO) amplification with blended control |
US7248110B2 (en) * | 2005-12-06 | 2007-07-24 | Harris Corporation | Modified doherty amplifier |
US7831221B2 (en) * | 2005-12-13 | 2010-11-09 | Andrew Llc | Predistortion system and amplifier for addressing group delay modulation |
US7382194B2 (en) * | 2006-01-18 | 2008-06-03 | Triquint Semiconductor, Inc. | Switched distributed power amplifier |
ATE473549T1 (de) * | 2006-04-10 | 2010-07-15 | Ericsson Telefon Ab L M | Verfahren zum kompensieren von signalverzerrungen in zusammengesetzten verstärkern |
US7937106B2 (en) * | 2006-04-24 | 2011-05-03 | ParkerVision, Inc, | Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same |
US8031804B2 (en) | 2006-04-24 | 2011-10-04 | Parkervision, Inc. | Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion |
JP4831571B2 (ja) * | 2006-05-02 | 2011-12-07 | 富士通株式会社 | 増幅器ユニット及びその故障検出方法 |
JP2008035487A (ja) * | 2006-06-19 | 2008-02-14 | Renesas Technology Corp | Rf電力増幅器 |
WO2008012898A1 (fr) * | 2006-07-27 | 2008-01-31 | Panasonic Corporation | Appareil d'amplification de puissance |
US8315336B2 (en) * | 2007-05-18 | 2012-11-20 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment |
JPWO2008053534A1 (ja) * | 2006-10-31 | 2010-02-25 | パナソニック株式会社 | ドハティ増幅器 |
JPWO2008075561A1 (ja) * | 2006-12-19 | 2010-04-08 | 三菱電機株式会社 | 電力増幅装置 |
US7620129B2 (en) * | 2007-01-16 | 2009-11-17 | Parkervision, Inc. | RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals |
US7541868B2 (en) * | 2007-05-31 | 2009-06-02 | Andrew, Llc | Delay modulator pre-distortion circuit for an amplifier |
WO2009005768A1 (en) | 2007-06-28 | 2009-01-08 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
JP5169122B2 (ja) * | 2007-10-09 | 2013-03-27 | 住友電気工業株式会社 | ドハティ増幅装置 |
WO2009145887A1 (en) | 2008-05-27 | 2009-12-03 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
US7619468B1 (en) * | 2008-09-30 | 2009-11-17 | Nortel Networks Limited | Doherty amplifier with drain bias supply modulation |
US8736364B2 (en) * | 2009-10-13 | 2014-05-27 | Nec Corporation | Power amplifier and method of operation thereof |
WO2011048893A1 (ja) * | 2009-10-23 | 2011-04-28 | 日本碍子株式会社 | ドハティ増幅器用合成器 |
EP2339745A1 (de) | 2009-12-15 | 2011-06-29 | Nxp B.V. | Doherty-Verstärker |
EP2362541A1 (de) * | 2010-02-25 | 2011-08-31 | Alcatel Lucent | Parallelverstärker |
KR20140026458A (ko) | 2011-04-08 | 2014-03-05 | 파커비전, 인크. | Rf 전력 송신, 변조 및 증폭 시스템들 및 방법들 |
DE102011075314B4 (de) | 2011-05-05 | 2018-08-30 | Rohde & Schwarz Gmbh & Co. Kg | Geregelter Hochleistungsverstärker |
WO2012167111A2 (en) | 2011-06-02 | 2012-12-06 | Parkervision, Inc. | Antenna control |
WO2014110187A1 (en) | 2013-01-08 | 2014-07-17 | Aviat Networks, Inc. | Systems and methods for biasing amplifiers with adaptive closed loop control |
US9059666B2 (en) * | 2013-01-08 | 2015-06-16 | Aviat U.S., Inc. | Systems and methods for biasing amplifiers during high-power operation with adaptive closed-loop control |
US9160284B2 (en) | 2013-01-08 | 2015-10-13 | Aviat U.S., Inc. | Systems and methods for biasing amplifiers using adaptive closed-loop control and adaptive predistortion |
US9083350B1 (en) * | 2013-02-12 | 2015-07-14 | Aethercomm, Inc. | Method and apparatus for a digital non-linear loop control circuit |
DE102013207898A1 (de) | 2013-04-30 | 2014-10-30 | Novero Dabendorf Gmbh | Kompensation einer Signal-Dämpfung bei der Übertragung von Sendesignalen eines Mobilfunkgeräts |
JP2015046795A (ja) * | 2013-08-28 | 2015-03-12 | 株式会社東芝 | 電力増幅装置、及び電力増幅装置の制御方法 |
EP3047348A4 (de) | 2013-09-17 | 2016-09-07 | Parkervision Inc | Verfahren, vorrichtung und system für die darstellung einer datenträgerzeitfunktion |
JP5833094B2 (ja) * | 2013-12-26 | 2015-12-16 | 株式会社東芝 | 電力増幅装置、及び電力増幅装置の制御方法 |
JP2016225777A (ja) * | 2015-05-29 | 2016-12-28 | 日本電信電話株式会社 | 振幅検出回路 |
CN208710425U (zh) | 2017-10-06 | 2019-04-09 | 原星股份有限公司 | 助行车的座面结构 |
JP2019092131A (ja) | 2017-11-17 | 2019-06-13 | 株式会社村田製作所 | 電力増幅モジュール |
CN110635698B (zh) * | 2019-05-28 | 2021-04-30 | 电子科技大学 | 一种具有高回退范围的射频信号整流器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3900823A (en) * | 1973-03-28 | 1975-08-19 | Nathan O Sokal | Amplifying and processing apparatus for modulated carrier signals |
US4378530A (en) * | 1979-07-04 | 1983-03-29 | Unisearch Limited | High-efficiency low-distortion amplifier |
JPH03198407A (ja) * | 1989-12-26 | 1991-08-29 | Mitsubishi Electric Corp | 線形増幅器 |
JP2703667B2 (ja) * | 1991-01-10 | 1998-01-26 | 三菱電機株式会社 | 電力増幅装置 |
US5420541A (en) * | 1993-06-04 | 1995-05-30 | Raytheon Company | Microwave doherty amplifier |
US5974041A (en) * | 1995-12-27 | 1999-10-26 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
US5757229A (en) * | 1996-06-28 | 1998-05-26 | Motorola, Inc. | Bias circuit for a power amplifier |
-
1997
- 1997-09-30 US US08/940,563 patent/US5886575A/en not_active Expired - Lifetime
-
1998
- 1998-05-08 WO PCT/US1998/009543 patent/WO1999017443A1/en active IP Right Grant
- 1998-05-08 EP EP98921105A patent/EP1020026B1/de not_active Expired - Lifetime
- 1998-05-08 KR KR1020007003397A patent/KR100329133B1/ko not_active IP Right Cessation
- 1998-05-08 DE DE69824873T patent/DE69824873T2/de not_active Expired - Lifetime
- 1998-05-08 BR BR9812398-0A patent/BR9812398A/pt not_active IP Right Cessation
- 1998-05-08 JP JP2000514393A patent/JP4088415B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1999017443A1 (en) | 1999-04-08 |
EP1020026B1 (de) | 2004-06-30 |
BR9812398A (pt) | 2000-09-12 |
EP1020026A4 (de) | 2001-04-04 |
JP4088415B2 (ja) | 2008-05-21 |
JP2001518731A (ja) | 2001-10-16 |
EP1020026A1 (de) | 2000-07-19 |
US5886575A (en) | 1999-03-23 |
KR20010024337A (ko) | 2001-03-26 |
KR100329133B1 (ko) | 2002-03-18 |
DE69824873T2 (de) | 2005-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US |