ATE400922T1 - Stromgesteuerter leistungsverstärker - Google Patents

Stromgesteuerter leistungsverstärker

Info

Publication number
ATE400922T1
ATE400922T1 AT02745340T AT02745340T ATE400922T1 AT E400922 T1 ATE400922 T1 AT E400922T1 AT 02745340 T AT02745340 T AT 02745340T AT 02745340 T AT02745340 T AT 02745340T AT E400922 T1 ATE400922 T1 AT E400922T1
Authority
AT
Austria
Prior art keywords
power amplifier
controlled power
current controlled
circuit
current
Prior art date
Application number
AT02745340T
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
Application granted granted Critical
Publication of ATE400922T1 publication Critical patent/ATE400922T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier

Landscapes

  • Amplifiers (AREA)
AT02745340T 2001-06-12 2002-05-29 Stromgesteuerter leistungsverstärker ATE400922T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/879,075 US6522202B2 (en) 2001-06-12 2001-06-12 Current controlled power amplifier

Publications (1)

Publication Number Publication Date
ATE400922T1 true ATE400922T1 (de) 2008-07-15

Family

ID=25373387

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02745340T ATE400922T1 (de) 2001-06-12 2002-05-29 Stromgesteuerter leistungsverstärker

Country Status (5)

Country Link
US (1) US6522202B2 (de)
EP (1) EP1405409B1 (de)
AT (1) ATE400922T1 (de)
DE (1) DE60227522D1 (de)
WO (1) WO2002101921A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003001662A1 (en) * 2001-06-22 2003-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Gain control of a power amplifier
KR100595652B1 (ko) * 2004-02-12 2006-07-03 엘지전자 주식회사 이동 통신 단말기의 송신 전력 제어 장치 및 방법
US7102442B2 (en) * 2004-04-28 2006-09-05 Sony Ericsson Mobile Communications Ab Wireless terminals, methods and computer program products with transmit power amplifier input power regulation
US7288991B2 (en) * 2005-02-17 2007-10-30 Skyworks Solutions, Inc. Power control circuit for accurate control of power amplifier output power
US7551027B2 (en) * 2007-03-09 2009-06-23 Tri Quint Semiconductor, Inc. RF power amplifier mirror circuit for sensing current
US7768353B2 (en) 2008-06-13 2010-08-03 Samsung Electro-Mechanics Company, Ltd. Systems and methods for switching mode power amplifier control
US8749310B2 (en) * 2011-10-31 2014-06-10 Kevin M. Hayes Amplifier bias control
US11309882B2 (en) * 2019-12-20 2022-04-19 Texas Instruments Incorporated OPAMP overload power limit circuit, system, and a method thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158180A (en) * 1978-04-13 1979-06-12 General Electric Company Temperature control circuit
US4580287A (en) 1984-03-26 1986-04-01 Sprague Electric Company Radio receiver with logarithmic signal strength detector
US5311143A (en) 1992-07-02 1994-05-10 Motorola, Inc. RF amplifier bias control method and apparatus
JPH08501197A (ja) 1993-03-26 1996-02-06 クァルコム・インコーポレーテッド 電力増幅器バイアス制御回路および方法
GB2279779B (en) 1993-06-02 1997-03-05 Vtech Communications Ltd Amplifier power control system
EP1338254B1 (de) 1994-08-05 2008-12-03 Bausch & Lomb Incorporated Verfahren zum Verpacken einer Intraokularlinse
US5493255A (en) 1995-03-21 1996-02-20 Nokia Mobile Phones Ltd. Bias control circuit for an RF power amplifier
US5572166A (en) 1995-06-07 1996-11-05 Analog Devices, Inc. Linear-in-decibel variable gain amplifier
GB2306814B (en) * 1995-11-01 2000-03-15 Roke Manor Research Improvements in or relating to rf power amplifiers
DE19606799A1 (de) * 1996-02-23 1997-08-28 Daimler Benz Aerospace Ag Anordnung zur Regelung der Ausgangsamplitude eines Hochfrequenz-Leistungsverstärkers
JPH10276052A (ja) 1997-03-31 1998-10-13 Mitsumi Electric Co Ltd 可変利得増幅回路
US6148220A (en) * 1997-04-25 2000-11-14 Triquint Semiconductor, Inc. Battery life extending technique for mobile wireless applications
US6008698A (en) 1998-05-18 1999-12-28 Omnipoint Corporation Amplifier with dynamically adaptable supply current
US6178313B1 (en) 1998-12-31 2001-01-23 Nokia Mobile Phones Limited Control of gain and power consumption in a power amplifier

Also Published As

Publication number Publication date
EP1405409B1 (de) 2008-07-09
EP1405409A1 (de) 2004-04-07
DE60227522D1 (de) 2008-08-21
WO2002101921A1 (en) 2002-12-19
US20020186083A1 (en) 2002-12-12
US6522202B2 (en) 2003-02-18

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Legal Events

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