DE69518099T2 - Leistungsverstärker und Verfahren dazu - Google Patents

Leistungsverstärker und Verfahren dazu

Info

Publication number
DE69518099T2
DE69518099T2 DE69518099T DE69518099T DE69518099T2 DE 69518099 T2 DE69518099 T2 DE 69518099T2 DE 69518099 T DE69518099 T DE 69518099T DE 69518099 T DE69518099 T DE 69518099T DE 69518099 T2 DE69518099 T2 DE 69518099T2
Authority
DE
Germany
Prior art keywords
power amplifiers
methods therefor
therefor
methods
amplifiers
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 - Fee Related
Application number
DE69518099T
Other languages
English (en)
Other versions
DE69518099D1 (de
Inventor
Haruhiko Koizumi
Akihisa Sugimura
Kazuki Tateoka
Kunihiko Kanazawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics 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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Application granted granted Critical
Publication of DE69518099D1 publication Critical patent/DE69518099D1/de
Publication of DE69518099T2 publication Critical patent/DE69518099T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03F1/0244—Stepped control
    • 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
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69518099T 1994-03-14 1995-03-13 Leistungsverstärker und Verfahren dazu Expired - Fee Related DE69518099T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP06042112A JP3103712B2 (ja) 1994-03-14 1994-03-14 電力増幅器及び増幅方法

Publications (2)

Publication Number Publication Date
DE69518099D1 DE69518099D1 (de) 2000-08-31
DE69518099T2 true DE69518099T2 (de) 2000-12-14

Family

ID=12626879

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69518099T Expired - Fee Related DE69518099T2 (de) 1994-03-14 1995-03-13 Leistungsverstärker und Verfahren dazu

Country Status (6)

Country Link
US (1) US5546051A (de)
EP (1) EP0673112B1 (de)
JP (1) JP3103712B2 (de)
KR (1) KR0138567B1 (de)
CN (1) CN1056256C (de)
DE (1) DE69518099T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
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JP2940595B2 (ja) * 1996-06-21 1999-08-25 日本電気株式会社 アンテナスイッチ付き受信機
US5973557A (en) * 1996-10-18 1999-10-26 Matsushita Electric Industrial Co., Ltd. High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier
KR100266806B1 (ko) * 1996-12-11 2000-09-15 윤종용 휴대용무선통신단말기의전력제어회로및방법
US6072995A (en) * 1997-02-26 2000-06-06 Ericsson Inc. Flexible current control in power amplifiers
US6064857A (en) * 1997-04-15 2000-05-16 Globalstar L.P. Dual mode satellite telephone with hybrid battery/capacitor power supply
US6188877B1 (en) 1997-07-03 2001-02-13 Ericsson Inc. Dual-band, dual-mode power amplifier with reduced power loss
US6298244B1 (en) 1997-07-03 2001-10-02 Ericsson Inc. Dual-band, dual-mode power amplifier
US6091966A (en) * 1997-09-29 2000-07-18 Ericsson, Inc. Dual-band, dual-mode power amplifier
JP3167662B2 (ja) * 1997-09-26 2001-05-21 株式会社ウェルパインコミュニケーションズ 電源システム
KR19990047207A (ko) * 1997-12-03 1999-07-05 이형도 시분할 및 주파수분할 혼용통신방식의 무선송수신기
US6285251B1 (en) * 1998-04-02 2001-09-04 Ericsson Inc. Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
US6281755B1 (en) * 1998-12-28 2001-08-28 Siemens Aktiengesellschaft High-frequency power amplifier
US6281748B1 (en) * 2000-01-14 2001-08-28 Motorola, Inc. Method of and apparatus for modulation dependent signal amplification
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
US6567653B1 (en) * 2000-04-12 2003-05-20 Ericsson Inc. Dual-mode communications transmitter
US6711392B1 (en) 2000-06-30 2004-03-23 International Business Machines Corporation Balanced power amplifier for low power radio communications
GB2366461B (en) * 2000-08-31 2004-06-23 Element 14 Inc Switched supply for operational amplifier
KR100453708B1 (ko) * 2000-11-03 2004-10-20 네오피델리티 주식회사 고효율 스위칭 증폭기
US6819941B2 (en) 2001-10-11 2004-11-16 Rf Micro Devices, Inc. Single output stage power amplification for multimode applications
FR2846489B1 (fr) * 2002-10-25 2005-03-25 Lpa Concepts Amplificateur de puissance pour systemes de transmission radiofrequences
KR100495654B1 (ko) * 2002-11-22 2005-06-17 에스엠 종합개발 주식회사 Ａｂｃ 배전용 클램프
US6803821B1 (en) * 2003-04-03 2004-10-12 Fairchild Semiconductor Corporation Switchable amplifier circuit having reduced shutdown current
EP1564898A1 (de) * 2004-02-13 2005-08-17 Thomson Licensing S.A. Radiosender mit reduzierter Leistungsaufnahme
US7245888B2 (en) * 2004-06-16 2007-07-17 Nokia Corporation Phone energy management for low battery voltages
JP4487754B2 (ja) * 2004-12-10 2010-06-23 日本電気株式会社 携帯電話端末およびその電圧供給制御装置、ならびに電圧供給制御方法
US9172404B1 (en) * 2005-02-07 2015-10-27 Rf Micro Devices, Inc. Switch architecture for TDMA and FDD multiplexing
JP4330549B2 (ja) * 2005-04-19 2009-09-16 パナソニック株式会社 高周波電力増幅装置
US20090258616A1 (en) * 2006-06-21 2009-10-15 Matsushita Electric Industrial Co., Ltd. Multisystem wireless communication apparatus
US20080171523A1 (en) * 2006-12-20 2008-07-17 Sony Ericsson Mobile Communications Ab Power Amplifier Bias Control
US7643800B2 (en) * 2007-01-30 2010-01-05 Broadcom Corporation Transmit power management for a communication device and method for use therewith
US8150339B2 (en) 2007-11-05 2012-04-03 Qualcomm, Incorporated Switchable-level voltage supplies for multimode communications
WO2009079865A1 (fr) * 2007-12-25 2009-07-02 Zte Corporation Appareil pour le réglage dynamique d'un amplificateur de puissance d'un terminal mobile
KR102039637B1 (ko) * 2012-09-26 2019-11-01 삼성전자주식회사 송신장치에서의 전력제어장치 및 방법
US9806405B2 (en) * 2013-01-31 2017-10-31 Atmel Corporation Integrated circuit for remote keyless entry system
EP3070842A1 (de) * 2015-03-17 2016-09-21 Nokia Technologies OY Verfahren und vorrichtung für die stromversorgung eines verstärkers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US258714A (en) * 1882-05-30 clement
US4721919A (en) * 1986-12-22 1988-01-26 General Motors Corporation Class G bridge amplifier with unipolar supplies
FI86013C (fi) * 1989-03-29 1992-06-25 Nokia Mobira Oy Foerfarande foer omvandling av en operationsklass av en saendare.
JPH0466826U (de) * 1990-10-16 1992-06-12
JP2703667B2 (ja) * 1991-01-10 1998-01-26 三菱電機株式会社 電力増幅装置
JPH05110348A (ja) * 1991-10-14 1993-04-30 Nec Corp 高周波増幅器
US5251331A (en) * 1992-03-13 1993-10-05 Motorola, Inc. High efficiency dual mode power amplifier apparatus
US5423078A (en) * 1993-03-18 1995-06-06 Ericsson Ge Mobile Communications Inc. Dual mode power amplifier for analog and digital cellular telephones

Also Published As

Publication number Publication date
EP0673112A1 (de) 1995-09-20
US5546051A (en) 1996-08-13
EP0673112B1 (de) 2000-07-26
CN1115521A (zh) 1996-01-24
DE69518099D1 (de) 2000-08-31
JP3103712B2 (ja) 2000-10-30
KR950028292A (ko) 1995-10-18
CN1056256C (zh) 2000-09-06
JPH07250017A (ja) 1995-09-26
KR0138567B1 (ko) 1998-06-15

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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: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD., KADOMA,

8339 Ceased/non-payment of the annual fee