CN100472960C - 具有恒定输入阻抗的可控射频宽带放大器 - Google Patents

具有恒定输入阻抗的可控射频宽带放大器 Download PDF

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Publication number
CN100472960C
CN100472960C CNB2003801084610A CN200380108461A CN100472960C CN 100472960 C CN100472960 C CN 100472960C CN B2003801084610 A CNB2003801084610 A CN B2003801084610A CN 200380108461 A CN200380108461 A CN 200380108461A CN 100472960 C CN100472960 C CN 100472960C
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CN
China
Prior art keywords
amplifier
current limiting
basic
amplifier arrangement
limiting element
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
CNB2003801084610A
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English (en)
Chinese (zh)
Other versions
CN1736022A (zh
Inventor
海因里希·谢曼
梅米特·伊佩克
萨拜因·罗思
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Thomson Licensing SAS
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Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CN1736022A publication Critical patent/CN1736022A/zh
Application granted granted Critical
Publication of CN100472960C publication Critical patent/CN100472960C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • 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
    • 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
    • H03F2203/7203—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 a switch in the bias circuit of the amplifier controlling a bias current in the amplifier
    • 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
    • H03F2203/7206—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 a switch in the bias circuit of the amplifier controlling a bias voltage in the amplifier
    • 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
    • H03F2203/7227—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 a switch in the supply circuit of the amplifier

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CNB2003801084610A 2003-01-09 2003-12-05 具有恒定输入阻抗的可控射频宽带放大器 Expired - Fee Related CN100472960C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10300431.9 2003-01-09
DE10300431A DE10300431A1 (de) 2003-01-09 2003-01-09 Regelbarer HF-Breitbandverstärker mit konstanter Eingangsimpedanz

Publications (2)

Publication Number Publication Date
CN1736022A CN1736022A (zh) 2006-02-15
CN100472960C true CN100472960C (zh) 2009-03-25

Family

ID=32519734

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2003801084610A Expired - Fee Related CN100472960C (zh) 2003-01-09 2003-12-05 具有恒定输入阻抗的可控射频宽带放大器

Country Status (9)

Country Link
US (1) US7286017B2 (OSRAM)
EP (1) EP1581995B1 (OSRAM)
JP (1) JP5079213B2 (OSRAM)
KR (1) KR101007579B1 (OSRAM)
CN (1) CN100472960C (OSRAM)
AU (1) AU2003303699A1 (OSRAM)
DE (1) DE10300431A1 (OSRAM)
MX (1) MXPA05007301A (OSRAM)
WO (1) WO2004064250A1 (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7737785B2 (en) 2005-07-29 2010-06-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Amplifier circuit with adjustable amplification
JP2007221402A (ja) * 2006-02-16 2007-08-30 Fujitsu Ltd 可変利得増幅器及びその半導体集積装置
US9893693B2 (en) * 2012-12-07 2018-02-13 Futurewei Technologies, Inc. Gain control method for a broadband inductorless low noise amplifier
US9184707B2 (en) * 2013-01-17 2015-11-10 Qualcomm Incorporated Amplifier with switchable common gate gain buffer
KR102621951B1 (ko) * 2021-10-13 2024-01-09 고려대학교 산학협력단 삽입 손실 개선을 위한 능동형 스위치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530404A (en) * 1993-12-17 1996-06-25 Thomson-Csf Semiconducteurs Specifiques Variable gain amplifier having n parallel-connected elementary amplifiers
US6288608B1 (en) * 2000-04-28 2001-09-11 International Business Machines Corporation Radio frequency power amplifier for a battery powered handset unit of a wireless communications system
CN1389980A (zh) * 2001-05-18 2003-01-08 松下电器产业株式会社 可变增益放大器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10126215A (ja) * 1996-10-18 1998-05-15 Matsushita Electric Ind Co Ltd 可変減衰装置
JPH10190378A (ja) * 1996-12-27 1998-07-21 Nec Corp 超高効率線形増幅器
US5977828A (en) * 1997-12-12 1999-11-02 Nortel Networks Corporation Multiple-tail transconductance switchable gain amplifer
JP3684861B2 (ja) * 1998-09-28 2005-08-17 松下電器産業株式会社 可変利得増幅器
FI106412B (fi) * 1998-11-10 2001-01-31 Nokia Mobile Phones Ltd Lineaarinen tehovahvistinjärjestely ja menetelmä sen käyttämiseksi
DE19854847C2 (de) * 1998-11-27 2003-07-31 Vishay Semiconductor Gmbh Verstärkeranordnung
DE10132800C1 (de) * 2001-07-06 2003-01-30 Infineon Technologies Ag Rauscharme Verstärkerschaltung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530404A (en) * 1993-12-17 1996-06-25 Thomson-Csf Semiconducteurs Specifiques Variable gain amplifier having n parallel-connected elementary amplifiers
US6288608B1 (en) * 2000-04-28 2001-09-11 International Business Machines Corporation Radio frequency power amplifier for a battery powered handset unit of a wireless communications system
CN1389980A (zh) * 2001-05-18 2003-01-08 松下电器产业株式会社 可变增益放大器

Also Published As

Publication number Publication date
CN1736022A (zh) 2006-02-15
AU2003303699A1 (en) 2004-08-10
MXPA05007301A (es) 2006-02-17
DE10300431A1 (de) 2004-07-22
JP5079213B2 (ja) 2012-11-21
EP1581995B1 (en) 2012-02-08
US20060125565A1 (en) 2006-06-15
EP1581995A1 (en) 2005-10-05
KR20050093820A (ko) 2005-09-23
JP2006513615A (ja) 2006-04-20
KR101007579B1 (ko) 2011-01-14
WO2004064250A1 (en) 2004-07-29
US7286017B2 (en) 2007-10-23

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090325

Termination date: 20161205

CF01 Termination of patent right due to non-payment of annual fee