BR0009744A - Amplificador, e, telefone móvel - Google Patents

Amplificador, e, telefone móvel

Info

Publication number
BR0009744A
BR0009744A BR0009744-6A BR0009744A BR0009744A BR 0009744 A BR0009744 A BR 0009744A BR 0009744 A BR0009744 A BR 0009744A BR 0009744 A BR0009744 A BR 0009744A
Authority
BR
Brazil
Prior art keywords
source
impedance
bypass capacitor
amplifier
ground
Prior art date
Application number
BR0009744-6A
Other languages
English (en)
Inventor
Per-Olof Brandt
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR0009744A publication Critical patent/BR0009744A/pt

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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/306—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in junction-FET amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/541—Transformer coupled at the output of an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/75—Indexing scheme relating to amplifiers the amplifier stage being a common source configuration MOSFET

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Bipolar Transistors (AREA)
  • Bipolar Integrated Circuits (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

"AMPLIFICADOR, E, TELEFONE MóVEL". é proposto um amplificador de potência para aplicações tendo uma baixa voltagem de abastecimento de um só ponto e uma alta potência de saída requerida. O amplificador inclui um FET (10) com sua porta acoplada a uma entrada (Pin) e seu dreno acoplado a uma saída (pin) através de um estágio de correspondência de impedância (60, 70). O portão de transistor é polarizado por uma impedância (30) e um elemento de polarização de fonte (90, 91) derivado por um capacitor de desvio (80, 81) acopla a fonte à terra. Um terminal comum (A) é proporcionado entre a fonte de transistor e o estágio de conjugação de impedância e é conectado à terra através do elemento de polarização de fonte. Isso tem o efeito de levantar a impedância na fonte percebida pelo capacitor de desvio. As correntes de pico que passam através do elemento de capacitor de desvio podem assim, ser consideravelmente reduzidas, especificamente até um nível que permite que o capacitor seja de um tamanho mais gerenciável e seja implementado em chip.
BR0009744-6A 1999-04-13 2000-03-31 Amplificador, e, telefone móvel BR0009744A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9901304A SE514160C2 (sv) 1999-04-13 1999-04-13 Förspänningsarrangemang för fälteffekttransistorer
PCT/SE2000/000632 WO2000062418A1 (en) 1999-04-13 2000-03-31 Biasing arrangement for field effect transistors

Publications (1)

Publication Number Publication Date
BR0009744A true BR0009744A (pt) 2002-01-08

Family

ID=20415186

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0009744-6A BR0009744A (pt) 1999-04-13 2000-03-31 Amplificador, e, telefone móvel

Country Status (14)

Country Link
US (1) US6377124B1 (pt)
EP (1) EP1169776B1 (pt)
JP (1) JP4430246B2 (pt)
KR (1) KR20010110743A (pt)
CN (1) CN1158754C (pt)
AT (1) ATE375624T1 (pt)
AU (1) AU4631300A (pt)
BR (1) BR0009744A (pt)
DE (1) DE60036696D1 (pt)
HK (1) HK1046069B (pt)
IL (1) IL145603A (pt)
MY (1) MY123482A (pt)
SE (1) SE514160C2 (pt)
WO (1) WO2000062418A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514257C2 (sv) * 1999-03-16 2001-01-29 Ericsson Telefon Ab L M Portabel radiosändare/mottagare
CN100407572C (zh) * 2004-08-02 2008-07-30 阎跃军 场效应管偏置电路
US7154337B2 (en) 2004-10-28 2006-12-26 Raytheon Company Amplifying a signal using a control modulator that provides a bias resistance
JP2009088751A (ja) * 2007-09-28 2009-04-23 Muneo Yamabe 増幅回路
EP2443741B1 (en) * 2009-06-19 2015-02-25 Koninklijke Philips N.V. Improving input impedance of low noise preamplifiers used for mri
WO2011104933A1 (ja) * 2010-02-25 2011-09-01 シャープ株式会社 バイアス回路、ｌｎａ、ｌｎｂ、通信用受信機、通信用送信機、およびセンサーシステム
JP5770561B2 (ja) * 2011-08-19 2015-08-26 日本放送協会 電波受信・光伝送システム
US8723602B2 (en) * 2012-08-10 2014-05-13 Tensorcom, Inc. Method and apparatus for a class-E load tuned beamforming 60 GHz transmitter
US8873339B2 (en) 2012-08-10 2014-10-28 Tensorcom, Inc. Method and apparatus for a clock and signal distribution network for a 60 GHz transmitter system
JP5952447B2 (ja) * 2015-03-02 2016-07-13 日本放送協会 電波受信・光伝送システム
CN105048969B (zh) * 2015-07-15 2018-01-09 京信通信系统（中国）有限公司 GaN HEMT偏置电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631493A (en) * 1985-03-18 1986-12-23 Eaton Corporation Circuit for DC biasing
US5162755A (en) * 1991-10-29 1992-11-10 Raytheon Company Radio frequency amplifier circuit
JPH07240638A (ja) * 1994-03-01 1995-09-12 Sumitomo Electric Ind Ltd 高周波増幅器
JPH0878969A (ja) * 1994-08-31 1996-03-22 Sanyo Electric Co Ltd 電力増幅回路
KR970055703A (ko) * 1995-12-20 1997-07-31 양승택 능동 직각 전력 분배기
JPH09283710A (ja) * 1996-04-08 1997-10-31 Oki Electric Ind Co Ltd Ｆｅｔのゲートバイアス回路
JP3695938B2 (ja) * 1998-05-28 2005-09-14 アルプス電気株式会社 緩衝増幅回路

Also Published As

Publication number Publication date
SE514160C2 (sv) 2001-01-15
US6377124B1 (en) 2002-04-23
EP1169776B1 (en) 2007-10-10
MY123482A (en) 2006-05-31
WO2000062418A1 (en) 2000-10-19
HK1046069A1 (en) 2002-12-20
ATE375624T1 (de) 2007-10-15
JP4430246B2 (ja) 2010-03-10
IL145603A0 (en) 2002-06-30
SE9901304L (sv) 2000-10-14
CN1158754C (zh) 2004-07-21
SE9901304D0 (sv) 1999-04-13
CN1346537A (zh) 2002-04-24
AU4631300A (en) 2000-11-14
DE60036696D1 (de) 2007-11-22
HK1046069B (zh) 2005-04-22
EP1169776A1 (en) 2002-01-09
JP2002542643A (ja) 2002-12-10
KR20010110743A (ko) 2001-12-13
IL145603A (en) 2005-05-17

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A,8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 NA RPI2003 DE 26/05/2009.