CA2345089A1 - High efficiency switched gain power amplifier - Google Patents

High efficiency switched gain power amplifier Download PDF

Info

Publication number
CA2345089A1
CA2345089A1 CA002345089A CA2345089A CA2345089A1 CA 2345089 A1 CA2345089 A1 CA 2345089A1 CA 002345089 A CA002345089 A CA 002345089A CA 2345089 A CA2345089 A CA 2345089A CA 2345089 A1 CA2345089 A1 CA 2345089A1
Authority
CA
Canada
Prior art keywords
signal
power amplifier
amplifier
switch
bypass path
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.)
Abandoned
Application number
CA002345089A
Other languages
English (en)
French (fr)
Inventor
Ralph Kaufman
Darin Hunzeker
Richard J. Camarillo
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.)
Qualcomm Inc
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 US09/158,456 external-priority patent/US6060949A/en
Application filed by Individual filed Critical Individual
Publication of CA2345089A1 publication Critical patent/CA2345089A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • 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
    • H03F3/602—Combinations of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
CA002345089A 1998-09-22 1999-09-22 High efficiency switched gain power amplifier Abandoned CA2345089A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/158,456 US6060949A (en) 1998-09-22 1998-09-22 High efficiency switched gain power amplifier
US09/158,456 1998-09-22
US09/248,048 US6208202B1 (en) 1998-09-22 1999-02-10 High efficiency switched gain power amplifier
US09/248,048 1999-02-10
PCT/US1999/021758 WO2000018005A1 (en) 1998-09-22 1999-09-22 High efficiency switched gain power amplifier

Publications (1)

Publication Number Publication Date
CA2345089A1 true CA2345089A1 (en) 2000-03-30

Family

ID=26855042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002345089A Abandoned CA2345089A1 (en) 1998-09-22 1999-09-22 High efficiency switched gain power amplifier

Country Status (6)

Country Link
EP (1) EP1116325A1 (enExample)
JP (1) JP2002525951A (enExample)
CN (1) CN1326614A (enExample)
AU (2) AU772636B2 (enExample)
CA (1) CA2345089A1 (enExample)
WO (2) WO2000018005A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2207714C2 (ru) * 2001-07-05 2003-06-27 Государственное унитарное предприятие Государственный Рязанский приборный завод - дочернее предприятие государственного унитарного предприятия Военно-промышленного комплекса "МАПО" Импульсный усилитель сверхвысокой частоты
US6806768B2 (en) 2001-10-31 2004-10-19 Qualcomm Incorporated Balanced power amplifier with a bypass structure
US7902925B2 (en) * 2005-08-02 2011-03-08 Qualcomm, Incorporated Amplifier with active post-distortion linearization
US8089312B2 (en) 2007-12-17 2012-01-03 Panasonic Corporation Amplifying circuit with bypass circuit, and electronic device using the same
JP2011004556A (ja) * 2009-06-22 2011-01-06 Mitsubishi Electric Corp 車両用電源装置
CN104158505A (zh) * 2013-05-14 2014-11-19 中兴通讯股份有限公司 一种射频功放电路、控制方法及终端
US9281976B2 (en) 2014-02-04 2016-03-08 Texas Instruments Incorporated Transmitter and method of transmitting
CN104852749B (zh) * 2014-02-19 2018-01-16 华为终端（东莞）有限公司 射频电路及终端设备
CN104485894A (zh) * 2014-11-12 2015-04-01 广州中大微电子有限公司 一种用于运算放大器共模电平偏移的处理电路及其方法
CN106330121A (zh) * 2015-07-02 2017-01-11 株式会社村田制作所 放大电路
CN105353295A (zh) * 2015-12-01 2016-02-24 无锡比迅科技有限公司 一种运放增益测量电路
CN110708040A (zh) * 2019-10-14 2020-01-17 中国科学院微电子研究所 匹配滤波设备
CN114244378B (zh) * 2021-12-13 2023-05-16 遨海科技有限公司 一种可动态输出功率的vdes发射机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857106A (en) * 1970-09-04 1974-12-24 Bell Telephone Labor Inc Amplifier with n-port signal excitation
US4010426A (en) * 1975-11-12 1977-03-01 The United States Of America As Represented By The Secretary Of The Air Force Rf power amplifier parallel redundant system
GB8517180D0 (en) * 1985-07-06 1985-08-14 W & G Instr Ltd High frequency switched attenuator
US5093667A (en) * 1989-10-16 1992-03-03 Itt Corporation T/R module with error correction
DE59009594D1 (de) * 1990-06-28 1995-10-05 Siemens Ag Pulsleistungsverstärker.
JPH04129309A (ja) * 1990-09-19 1992-04-30 Matsushita Electric Ind Co Ltd 増幅回路
JPH07115331A (ja) * 1993-10-19 1995-05-02 Mitsubishi Electric Corp 増幅装置
JPH09148852A (ja) * 1995-11-24 1997-06-06 Matsushita Electric Ind Co Ltd 送信出力可変装置
US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
JPH09232815A (ja) * 1996-02-23 1997-09-05 Kokusai Electric Co Ltd 高周波用可変減衰器
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
JP2000078035A (ja) * 1998-09-01 2000-03-14 Matsushita Electric Ind Co Ltd 送信回路及び方法

Also Published As

Publication number Publication date
WO2000018004A1 (en) 2000-03-30
AU772636B2 (en) 2004-05-06
WO2000018005A1 (en) 2000-03-30
EP1116325A1 (en) 2001-07-18
AU6154999A (en) 2000-04-10
AU6154899A (en) 2000-04-10
JP2002525951A (ja) 2002-08-13
CN1326614A (zh) 2001-12-12

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued