DE10085422T1 - Gruppennachführverstärker mit verbesserter Verstärkung, Endeinrichtung für mobile Kommunikation, welche denselben einsetzt, und Verfahren zum Verbessern der Verstärkung, welches dazu in Bezug steht - Google Patents

Gruppennachführverstärker mit verbesserter Verstärkung, Endeinrichtung für mobile Kommunikation, welche denselben einsetzt, und Verfahren zum Verbessern der Verstärkung, welches dazu in Bezug steht

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Publication number
DE10085422T1
DE10085422T1 DE10085422T DE10085422T DE10085422T1 DE 10085422 T1 DE10085422 T1 DE 10085422T1 DE 10085422 T DE10085422 T DE 10085422T DE 10085422 T DE10085422 T DE 10085422T DE 10085422 T1 DE10085422 T1 DE 10085422T1
Authority
DE
Germany
Prior art keywords
gain
improving
terminal
mobile communication
same
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.)
Withdrawn
Application number
DE10085422T
Other languages
English (en)
Inventor
In-Ho Kang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020000007665A external-priority patent/KR20000030272A/ko
Application filed by Individual filed Critical Individual
Publication of DE10085422T1 publication Critical patent/DE10085422T1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
    • H03F1/086—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers with FET's
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/601—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators using FET's, e.g. GaAs FET's

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Transmitters (AREA)
DE10085422T 2000-02-15 2000-06-13 Gruppennachführverstärker mit verbesserter Verstärkung, Endeinrichtung für mobile Kommunikation, welche denselben einsetzt, und Verfahren zum Verbessern der Verstärkung, welches dazu in Bezug steht Withdrawn DE10085422T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020000007665A KR20000030272A (ko) 2000-02-15 2000-02-15 이동 통신 단말기의 정진폭 추적 증폭기의 이득 개선 방법
KR1020000024461A KR100325420B1 (ko) 2000-02-15 2000-05-08 개선된 이득을 갖는 포락선 추적 증폭기, 이를 이용한 이동 통신 단말기 및 그에 관한 이득 개선 방법
PCT/KR2000/000627 WO2001063795A1 (en) 2000-02-15 2000-06-13 Envelope - tracking amplifier having improved gain, terminal device for mobile communication using the same, and method for improving gain relating thereto
US10/150,923 US20040198271A1 (en) 2000-02-15 2002-05-21 Envelope-tracking amplifier for improving gain, Method for improving efficiency thereof, and terminal device of mobile communication applied to the same

Publications (1)

Publication Number Publication Date
DE10085422T1 true DE10085422T1 (de) 2003-04-30

Family

ID=33493959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10085422T Withdrawn DE10085422T1 (de) 2000-02-15 2000-06-13 Gruppennachführverstärker mit verbesserter Verstärkung, Endeinrichtung für mobile Kommunikation, welche denselben einsetzt, und Verfahren zum Verbessern der Verstärkung, welches dazu in Bezug steht

Country Status (7)

Country Link
US (1) US20040198271A1 (de)
JP (1) JP2003524988A (de)
KR (1) KR100325420B1 (de)
CN (1) CN1421073A (de)
DE (1) DE10085422T1 (de)
GB (1) GB2373938B (de)
WO (1) WO2001063795A1 (de)

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US6977562B2 (en) * 2002-09-19 2005-12-20 Agilent Technologies, Inc. Self-tuned matching network for high efficient power amplifiers
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US7453927B2 (en) * 2003-09-26 2008-11-18 Nokia Corporation Method and apparatus to compensate AM-PM delay mismatch in envelope restoration transmitter
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JP4679883B2 (ja) * 2004-11-18 2011-05-11 パナソニック株式会社 電力増幅器、電力増幅装置及び歪補償回路
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
JP4488309B2 (ja) * 2005-02-28 2010-06-23 株式会社ルネサステクノロジ 高周波電力増幅用電子部品
US7570931B2 (en) 2006-06-02 2009-08-04 Crestcom, Inc. RF transmitter with variably biased RF power amplifier and method therefor
JP5028966B2 (ja) * 2006-11-15 2012-09-19 日本電気株式会社 増幅器
CN101197580B (zh) * 2006-12-06 2011-06-08 联想移动通信科技有限公司 一种阻抗匹配处理装置及阻抗匹配处理方法
JP2008252267A (ja) * 2007-03-29 2008-10-16 Japan Radio Co Ltd 高周波電力増幅器
US7609115B2 (en) * 2007-09-07 2009-10-27 Raytheon Company Input circuitry for transistor power amplifier and method for designing such circuitry
US8064851B2 (en) * 2008-03-06 2011-11-22 Crestcom, Inc. RF transmitter with bias-signal-induced distortion compensation and method therefor
JP2010193152A (ja) * 2009-02-18 2010-09-02 Toshiba Corp 高周波増幅器および増幅方法
US8779857B2 (en) 2009-08-14 2014-07-15 Qualcomm Incorporated Amplifier with variable matching circuit to improve linearity
CN101656550B (zh) * 2009-09-04 2012-08-29 上海华为技术有限公司 包络限摆电路、信号限摆装置和包络跟踪功放
CN102142768B (zh) 2010-01-30 2013-10-09 华为技术有限公司 一种快速跟踪电源装置、控制方法及通信设备
EP2557681B1 (de) * 2010-04-09 2019-09-04 Huawei Device Co., Ltd. Spannungsantriebsvorrichtung für einen leistungsverstärker, leistungsverstärkungssystem, stromversorgungssystem für einen funkfrequenzleistungsverstärker und kommunikationsvorrichtung
CN102185572A (zh) * 2011-03-11 2011-09-14 京信通信系统（中国）有限公司 一种电调增益均衡器电路
CN102427338B (zh) * 2011-09-26 2015-05-20 无锡易芯微电子有限公司 自动变换输入阻抗的信号放大器及其实现方法
US8902002B2 (en) 2012-05-30 2014-12-02 Nujira Limited Adaptive biasing scheme for an amplifier
JP2014072543A (ja) * 2012-09-27 2014-04-21 Sumitomo Electric Ind Ltd 増幅装置、及び基本波処理回路
CN103795354B (zh) * 2012-10-30 2017-12-05 Dsp集团有限公司 包含低和高功率工作模式的高效线性集成功率放大器
WO2015006505A1 (en) * 2013-07-09 2015-01-15 Oleksandr Gorbachov Power amplifier with input power protection circuits
JP5958483B2 (ja) * 2013-07-31 2016-08-02 株式会社村田製作所 電力増幅モジュール
JP2015056743A (ja) * 2013-09-11 2015-03-23 シャープ株式会社 移動体通信端末および移動体通信端末の制御方法
WO2015131391A1 (en) * 2014-03-07 2015-09-11 Nokia Technologies Oy Device and method for current sensing and power supply modulator using the same
CN105024651B (zh) * 2014-04-29 2019-03-15 瑞昱半导体股份有限公司 射频功率放大器与提高功率附加效率及线性度的方法
US9445371B2 (en) * 2014-08-13 2016-09-13 Skyworks Solutions, Inc. Apparatus and methods for wideband envelope tracking systems
KR102163050B1 (ko) * 2015-03-12 2020-10-08 삼성전기주식회사 전력 증폭기 및 전력 증폭기의 위상 보정 방법
US9886658B1 (en) * 2015-06-26 2018-02-06 Impinj, Inc Impedance-change mitigation in RFID tags
US10572789B1 (en) * 2015-06-26 2020-02-25 Impinj, Inc. Impedance-change mitigation in RFID tags
US10103693B2 (en) 2015-09-30 2018-10-16 Skyworks Solutions, Inc. Power amplifier linearization system and method
CN106849879B (zh) * 2015-12-04 2020-08-04 财团法人工业技术研究院 功率放大器电路
KR102482045B1 (ko) * 2016-02-04 2022-12-28 한국과학기술원 임피던스 변화검출장치
US9848342B1 (en) 2016-07-20 2017-12-19 Ccip, Llc Excursion compensation in multipath communication systems having performance requirements parameters
US9735743B1 (en) 2016-06-16 2017-08-15 Ccip, Llc Minimizing impedence mismatch effects in a wireless device
US9853600B1 (en) 2016-06-27 2017-12-26 Raytheon Company System and method for adaptive power modulation for power amplifier
US10110169B2 (en) 2016-09-14 2018-10-23 Skyworks Solutions, Inc. Apparatus and methods for envelope tracking systems with automatic mode selection
US10236831B2 (en) 2017-05-12 2019-03-19 Skyworks Solutions, Inc. Envelope trackers providing compensation for power amplifier output load variation
US10516368B2 (en) 2017-06-21 2019-12-24 Skyworks Solutions, Inc. Fast envelope tracking systems for power amplifiers
US10615757B2 (en) 2017-06-21 2020-04-07 Skyworks Solutions, Inc. Wide bandwidth envelope trackers
JP2019057837A (ja) * 2017-09-21 2019-04-11 株式会社村田製作所 電力増幅回路
US10505498B2 (en) * 2017-10-24 2019-12-10 Samsung Electro-Mechanics Co., Ltd. Envelope tracking bias circuit and power amplifying device

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JP2001332935A (ja) * 2000-05-19 2001-11-30 Fujitsu Ltd マイクロ波増幅器

Also Published As

Publication number Publication date
KR100325420B1 (ko) 2002-02-21
KR20010015947A (ko) 2001-03-05
JP2003524988A (ja) 2003-08-19
WO2001063795A1 (en) 2001-08-30
CN1421073A (zh) 2003-05-28
GB2373938A (en) 2002-10-02
GB2373938B (en) 2004-02-25
US20040198271A1 (en) 2004-10-07
GB0215984D0 (en) 2002-08-21

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