AU772636B2 - High efficiency switched gain power amplifier - Google Patents

High efficiency switched gain power amplifier Download PDF

Info

Publication number
AU772636B2
AU772636B2 AU61549/99A AU6154999A AU772636B2 AU 772636 B2 AU772636 B2 AU 772636B2 AU 61549/99 A AU61549/99 A AU 61549/99A AU 6154999 A AU6154999 A AU 6154999A AU 772636 B2 AU772636 B2 AU 772636B2
Authority
AU
Australia
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.)
Ceased
Application number
AU61549/99A
Other languages
English (en)
Other versions
AU6154999A (en
Inventor
Richard J. Camarillo
Darin Hunzeker
Ralph Kaufman
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
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU6154999A publication Critical patent/AU6154999A/en
Application granted granted Critical
Publication of AU772636B2 publication Critical patent/AU772636B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU61549/99A 1998-09-22 1999-09-22 High efficiency switched gain power amplifier Ceased AU772636B2 (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
US09/158456 1998-09-22
US09/248048 1999-02-10
US09/248,048 US6208202B1 (en) 1998-09-22 1999-02-10 High efficiency switched gain power amplifier
PCT/US1999/021758 WO2000018005A1 (en) 1998-09-22 1999-09-22 High efficiency switched gain power amplifier

Publications (2)

Publication Number Publication Date
AU6154999A AU6154999A (en) 2000-04-10
AU772636B2 true AU772636B2 (en) 2004-05-06

Family

ID=26855042

Family Applications (2)

Application Number Title Priority Date Filing Date
AU61549/99A Ceased AU772636B2 (en) 1998-09-22 1999-09-22 High efficiency switched gain power amplifier
AU61548/99A Abandoned AU6154899A (en) 1998-09-22 1999-09-22 High efficiency switched gain power amplifier

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU61548/99A Abandoned AU6154899A (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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909643A (en) * 1995-11-24 1999-06-01 Matsushita Electric Industrial Co., Ltd. Transmitter power varying device having a bypass line for a power amplifier

Family Cites Families (11)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909643A (en) * 1995-11-24 1999-06-01 Matsushita Electric Industrial Co., Ltd. Transmitter power varying device having a bypass line for a power amplifier

Also Published As

Publication number Publication date
CA2345089A1 (en) 2000-03-30
WO2000018004A1 (en) 2000-03-30
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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Date Code Title Description
FGA Letters patent sealed or granted (standard patent)