DE60018218D1 - System und verfahren zur automatischen einstellung der vorspannung eines verstärkers - Google Patents

System und verfahren zur automatischen einstellung der vorspannung eines verstärkers

Info

Publication number
DE60018218D1
DE60018218D1 DE60018218T DE60018218T DE60018218D1 DE 60018218 D1 DE60018218 D1 DE 60018218D1 DE 60018218 T DE60018218 T DE 60018218T DE 60018218 T DE60018218 T DE 60018218T DE 60018218 D1 DE60018218 D1 DE 60018218D1
Authority
DE
Germany
Prior art keywords
amplifier
bias
auto
present
power periods
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 - Lifetime
Application number
DE60018218T
Other languages
English (en)
Other versions
DE60018218T2 (de
Inventor
Eero Koukkari
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60018218D1 publication Critical patent/DE60018218D1/de
Publication of DE60018218T2 publication Critical patent/DE60018218T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03F1/301—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in MOSFET amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/447—Indexing scheme relating to amplifiers the amplifier being protected to temperature influence

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
DE60018218T 1999-12-07 2000-12-04 System und verfahren zur automatischen einstellung der vorspannung eines verstärkers Expired - Lifetime DE60018218T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US455939 1995-05-31
US09/455,939 US6429746B1 (en) 1999-12-07 1999-12-07 System and method for auto-bias of an amplifier
PCT/IB2000/001799 WO2001043277A1 (en) 1999-12-07 2000-12-04 System and method for auto-bias of an amplifier

Publications (2)

Publication Number Publication Date
DE60018218D1 true DE60018218D1 (de) 2005-03-24
DE60018218T2 DE60018218T2 (de) 2005-12-29

Family

ID=23810821

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60018218T Expired - Lifetime DE60018218T2 (de) 1999-12-07 2000-12-04 System und verfahren zur automatischen einstellung der vorspannung eines verstärkers

Country Status (10)

Country Link
US (1) US6429746B1 (de)
EP (1) EP1254508B1 (de)
JP (1) JP2003516689A (de)
CN (1) CN1408142A (de)
AT (1) ATE289459T1 (de)
AU (1) AU1721701A (de)
BR (1) BR0016188A (de)
DE (1) DE60018218T2 (de)
ES (1) ES2237472T3 (de)
WO (1) WO2001043277A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799063B1 (fr) * 1999-09-24 2001-12-21 Centre Nat Etd Spatiales Emetteur de signaux radioelectriques modules a polarisation d'amplification auto-adaptee
JP3841640B2 (ja) * 2000-11-24 2006-11-01 富士通株式会社 半導体集積回路
SE0101961D0 (sv) * 2001-06-01 2001-06-01 Ericsson Telefon Ab L M Bias current control in transistors
US6828859B2 (en) * 2001-08-17 2004-12-07 Silicon Laboratories, Inc. Method and apparatus for protecting devices in an RF power amplifier
CA2469182C (en) 2001-12-04 2014-06-03 Arichell Technologies, Inc. Electronic faucets for long-term operation
US6750722B2 (en) * 2002-06-28 2004-06-15 Freescale Semiconductor, Inc. Bias control for HBT power amplifiers
US7049891B2 (en) 2004-05-12 2006-05-23 Sige Semiconductor Inc. Amplifier bias enhancement technique
US7084705B2 (en) * 2004-06-01 2006-08-01 Agere Systems Inc. Automatic biasing of a power device for linear operation
US7113043B1 (en) 2004-06-16 2006-09-26 Marvell International Ltd. Active bias circuit for low-noise amplifiers
US7560991B2 (en) * 2006-02-21 2009-07-14 Realtek Semiconductor Corp. Dynamically compensated operational amplifier
JP4857189B2 (ja) 2007-05-16 2012-01-18 日本電信電話株式会社 広帯域低雑音増幅器
ITPI20070073A1 (it) * 2007-06-13 2008-12-14 Antonio Sebastiano Abbadessa Sistema per migliorare il rendimento di un amplificatore rf e l'amplificatore cosi ottenuto
US8243956B2 (en) * 2007-08-13 2012-08-14 Gentex Corporation Auto bias microphone system for use with multiple loads and method of forming same
WO2011023210A1 (en) * 2009-08-27 2011-03-03 Verigy ( Singapore) Pte. Ltd. Adjustable gain amplifier, automated test equipment and method for adjusting a gain of an amplifier
US8319559B2 (en) * 2009-10-05 2012-11-27 Hittite Microwave Corporation Active bias control circuit for an amplifier and method of power up sequencing the same
JP5485332B2 (ja) * 2012-05-09 2014-05-07 日本電信電話株式会社 可変利得増幅器、及び増幅回路
US8736379B1 (en) * 2013-02-08 2014-05-27 Infineon Technologies Ag Input match network for a power circuit
CN104682880B (zh) * 2013-11-26 2018-01-26 展讯通信（上海）有限公司 抑制音频输出噪声的电路和音频输出电路
FR3059493B1 (fr) * 2016-11-29 2019-11-22 Stmicroelectronics Sa Regulation d'un amplificateur rf

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984783A (en) * 1975-03-27 1976-10-05 Motorola, Inc. Amplifier
US4458213A (en) 1982-12-13 1984-07-03 Sony Corporation Constant quiescent current, class AB amplifier output stage
US4864251A (en) * 1988-11-14 1989-09-05 Tektronix, Inc. Compensation circuit for power amplifier
US5422522A (en) * 1992-08-20 1995-06-06 Sgs-Thomson Microelectronics, Inc. Device for biasing an RF device operating in quasi-linear modes with temperature compensation
JP3365428B2 (ja) * 1992-12-09 2003-01-14 ソニー株式会社 高周波パワーアンプのバイアス制御回路
JP3325348B2 (ja) * 1992-12-28 2002-09-17 株式会社東芝 電力増幅装置
GB2317289B (en) * 1996-09-12 2001-03-14 Nokia Mobile Phones Ltd Amplifier system
EP0895351B1 (de) * 1997-07-31 2005-05-11 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur automatischen Verstärkungsregelung für Mikrowellen
FI105611B (fi) * 1998-03-13 2000-09-15 Nokia Mobile Phones Ltd Radiotajuusvahvistimet
US6091302A (en) * 1998-03-23 2000-07-18 Ameramp, Llc Electronic circuit biasing control system
US6111466A (en) * 1999-03-22 2000-08-29 Motorola, Inc. Amplifier with feedback to provide bias adjustment

Also Published As

Publication number Publication date
CN1408142A (zh) 2003-04-02
ATE289459T1 (de) 2005-03-15
DE60018218T2 (de) 2005-12-29
ES2237472T3 (es) 2005-08-01
WO2001043277A1 (en) 2001-06-14
AU1721701A (en) 2001-06-18
EP1254508A1 (de) 2002-11-06
EP1254508B1 (de) 2005-02-16
US6429746B1 (en) 2002-08-06
JP2003516689A (ja) 2003-05-13
BR0016188A (pt) 2002-08-13

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