DE60019851D1 - Leistungsverstärker und Kommunikationsgerät mit einem Leistungsverstärker - Google Patents

Leistungsverstärker und Kommunikationsgerät mit einem Leistungsverstärker

Info

Publication number
DE60019851D1
DE60019851D1 DE60019851T DE60019851T DE60019851D1 DE 60019851 D1 DE60019851 D1 DE 60019851D1 DE 60019851 T DE60019851 T DE 60019851T DE 60019851 T DE60019851 T DE 60019851T DE 60019851 D1 DE60019851 D1 DE 60019851D1
Authority
DE
Germany
Prior art keywords
power amplifier
communication device
amplifier
power
communication
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
Application number
DE60019851T
Other languages
English (en)
Other versions
DE60019851T2 (de
Inventor
Keiichi Sakuno
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.)
Sharp Corp
Original Assignee
Sharp Corp
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
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE60019851D1 publication Critical patent/DE60019851D1/de
Application granted granted Critical
Publication of DE60019851T2 publication Critical patent/DE60019851T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier
DE60019851T 1999-07-19 2000-07-18 Leistungsverstärker und Kommunikationsgerät mit einem Leistungsverstärker Expired - Lifetime DE60019851T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP20448499 1999-07-19
JP20448499 1999-07-19
JP2000203516 2000-07-05
JP2000203516A JP3607855B2 (ja) 1999-07-19 2000-07-05 電力増幅器

Publications (2)

Publication Number Publication Date
DE60019851D1 true DE60019851D1 (de) 2005-06-09
DE60019851T2 DE60019851T2 (de) 2006-01-26

Family

ID=26514489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60019851T Expired - Lifetime DE60019851T2 (de) 1999-07-19 2000-07-18 Leistungsverstärker und Kommunikationsgerät mit einem Leistungsverstärker

Country Status (4)

Country Link
US (2) US6433641B1 (de)
EP (1) EP1071204B1 (de)
JP (1) JP3607855B2 (de)
DE (1) DE60019851T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030210041A1 (en) * 2000-04-07 2003-11-13 Le Cuong Duy Eddy current measuring system for monitoring and controlling a chemical vapor deposition (CVD) process
US6531924B2 (en) * 2001-04-18 2003-03-11 Qualcomm Incorporated Bias method and circuit for distortion reduction
JP3664990B2 (ja) 2001-04-25 2005-06-29 株式会社東芝 高周波回路及び通信システム
WO2003081771A1 (en) * 2002-03-20 2003-10-02 Roke Manor Research Limited A bias circuit for a bipolar transistor
AU2003255887A1 (en) 2002-08-12 2004-02-25 Koninklijke Philips Electronics N.V. Variable gain amplifier with improved control characteristics linearity
JP3790734B2 (ja) * 2002-10-04 2006-06-28 松下電器産業株式会社 高周波装置、高周波増幅方法
JP2005020476A (ja) * 2003-06-27 2005-01-20 Renesas Technology Corp 高周波電力増幅回路および無線通信システム
JP2005086620A (ja) 2003-09-10 2005-03-31 Sharp Corp バランス型の電力増幅器および高周波通信装置
US7274258B2 (en) * 2005-09-08 2007-09-25 Industrial Technology Research Institute Dynamic bias circuit for a radio-frequency amplifier
JP4332570B2 (ja) 2006-09-29 2009-09-16 シャープ株式会社 バイアス回路および電力増幅器
US8847689B2 (en) 2009-08-19 2014-09-30 Qualcomm Incorporated Stacked amplifier with diode-based biasing
JP5786745B2 (ja) * 2012-02-09 2015-09-30 三菱電機株式会社 電力増幅器
US9455669B2 (en) * 2013-10-11 2016-09-27 Skyworks Solutions, Inc. Apparatus and methods for phase compensation in power amplifiers
WO2018003152A1 (ja) * 2016-06-27 2018-01-04 シャープ株式会社 高周波加熱装置
TWI669905B (zh) * 2017-02-15 2019-08-21 立積電子股份有限公司 用於對放大器的線性度進行補償的前置補償器
TWI647905B (zh) 2017-02-15 2019-01-11 立積電子股份有限公司 用於對放大器的線性度進行補償的前置補償器
TWI693788B (zh) * 2017-02-15 2020-05-11 立積電子股份有限公司 用於對放大器的線性度進行補償的前置補償器
US10666200B2 (en) 2017-04-04 2020-05-26 Skyworks Solutions, Inc. Apparatus and methods for bias switching of power amplifiers
JP2018186376A (ja) * 2017-04-25 2018-11-22 新日本無線株式会社 増幅回路
CN110719077B (zh) * 2019-10-23 2022-08-16 广州慧智微电子股份有限公司 一种功率放大器及电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984783A (en) * 1975-03-27 1976-10-05 Motorola, Inc. Amplifier
US5241284A (en) * 1990-02-16 1993-08-31 Nokia Mobile Phones Ltd. Circuit arrangement for connecting RF amplifier and supply voltage filter
JPH05267585A (ja) * 1992-03-19 1993-10-15 Mitsubishi Electric Corp 増幅器
JP3175881B2 (ja) 1993-08-24 2001-06-11 松下電器産業株式会社 高周波増幅器
US5815038A (en) * 1995-04-28 1998-09-29 Mitsubishi Denki Kabushiki Kaisha Distortion compensation circuit
US5814038A (en) * 1995-06-07 1998-09-29 Sri International Surgical manipulator for a telerobotic system
JPH0951238A (ja) * 1995-08-09 1997-02-18 Mitsubishi Electric Corp マイクロ波増幅器回路
US5635872A (en) * 1995-11-16 1997-06-03 Maven Peal Instruments, Inc. Variable control of electronic power supplies
US5710523A (en) * 1996-01-16 1998-01-20 Trw Inc. Low noise-low distortion hemt low noise amplifier (LNA) with monolithic tunable HBT active feedback
JP3377675B2 (ja) 1996-03-19 2003-02-17 シャープ株式会社 高周波増幅回路
US5760651A (en) * 1996-07-30 1998-06-02 Philips Electronics North America Corporation Inductorless voltage biasing circuit for and Ac-coupled amplifier
GB2317289B (en) * 1996-09-12 2001-03-14 Nokia Mobile Phones Ltd Amplifier system
US6148220A (en) * 1997-04-25 2000-11-14 Triquint Semiconductor, Inc. Battery life extending technique for mobile wireless applications
US6262631B1 (en) * 1998-04-30 2001-07-17 The Whitaker Corporation Silicon power bipolar junction transistor with an integrated linearizer

Also Published As

Publication number Publication date
EP1071204B1 (de) 2005-05-04
JP3607855B2 (ja) 2005-01-05
US6433641B1 (en) 2002-08-13
JP2001094360A (ja) 2001-04-06
EP1071204A3 (de) 2003-01-02
EP1071204A2 (de) 2001-01-24
US6806774B2 (en) 2004-10-19
US20020167358A1 (en) 2002-11-14
DE60019851T2 (de) 2006-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition