AU3985399A - Amplifier with dynamically adaptable supply current - Google Patents

Amplifier with dynamically adaptable supply current

Info

Publication number
AU3985399A
AU3985399A AU39853/99A AU3985399A AU3985399A AU 3985399 A AU3985399 A AU 3985399A AU 39853/99 A AU39853/99 A AU 39853/99A AU 3985399 A AU3985399 A AU 3985399A AU 3985399 A AU3985399 A AU 3985399A
Authority
AU
Australia
Prior art keywords
amplifier
supply current
dynamically adaptable
adaptable supply
dynamically
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.)
Abandoned
Application number
AU39853/99A
Inventor
Farron L. Dacus
Russell A. Morris
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.)
Omnipoint Corp
Original Assignee
Omnipoint Corp
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 US09/080,812 external-priority patent/US6137354A/en
Priority claimed from US09/080,773 external-priority patent/US6008698A/en
Priority claimed from US09/080,811 external-priority patent/US6081161A/en
Application filed by Omnipoint Corp filed Critical Omnipoint Corp
Publication of AU3985399A publication Critical patent/AU3985399A/en
Abandoned 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244—Stepped control
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244—Stepped control
    • H03F1/0255—Stepped control by using a signal derived from the output 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H03F1/0272—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the output 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/004—Control by varying the supply voltage
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AU39853/99A 1998-05-18 1999-05-07 Amplifier with dynamically adaptable supply current Abandoned AU3985399A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US09/080,812 US6137354A (en) 1998-05-18 1998-05-18 Bypassable amplifier
US09080811 1998-05-18
US09/080,773 US6008698A (en) 1998-05-18 1998-05-18 Amplifier with dynamically adaptable supply current
US09080773 1998-05-18
US09080812 1998-05-18
US09/080,811 US6081161A (en) 1998-05-18 1998-05-18 Amplifier with dynamatically adaptable supply voltage
PCT/US1999/010439 WO1999060698A1 (en) 1998-05-18 1999-05-07 Amplifier with dynamically adaptable supply current

Publications (1)

Publication Number Publication Date
AU3985399A true AU3985399A (en) 1999-12-06

Family

ID=27373771

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39853/99A Abandoned AU3985399A (en) 1998-05-18 1999-05-07 Amplifier with dynamically adaptable supply current

Country Status (3)

Country Link
EP (1) EP1095449A4 (en)
AU (1) AU3985399A (en)
WO (1) WO1999060698A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6265943B1 (en) * 2000-01-27 2001-07-24 Rf Micro Devices, Inc. Integrated RF power sensor that compensates for bias changes
GB2393595B (en) 2002-09-26 2007-04-04 Qualcomm A transmitter and a method of calibrating power in signals output from a transmitter
KR20070043002A (en) * 2004-08-12 2007-04-24 코닌클리케 필립스 일렉트로닉스 엔.브이. Dual mode audio amplifier
US7288991B2 (en) * 2005-02-17 2007-10-30 Skyworks Solutions, Inc. Power control circuit for accurate control of power amplifier output power
WO2008074149A1 (en) 2006-12-21 2008-06-26 Icera Canada ULC Current controlled biasing for current-steering based rf variable gain amplifiers
US20100271119A1 (en) * 2006-10-23 2010-10-28 Walid Karoui Envelope detector, linearization circuit, amplifier circuit, method for detecting a modulation envelope and wireless communication unit
DE102009050491A1 (en) * 2009-10-23 2011-04-28 Rohde & Schwarz Gmbh & Co. Kg Compensation circuit for improving the level control of integrated amplifier modules
WO2011124116A1 (en) * 2010-04-09 2011-10-13 华为终端有限公司 Voltage driving apparatus for power amplifier, power amplifying system, power supply device for radio frequency power amplifier and communication device
TWI686693B (en) * 2019-03-20 2020-03-01 龍華科技大學 Method for estimating output current of power supply for server and power supply for server adopting the method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320350A (en) * 1979-11-29 1982-03-16 Rockwell International Corporation Sliding power supply for RF power amplifier
US4994757A (en) * 1989-11-01 1991-02-19 Motorola, Inc. Efficiency improvement of power amplifiers
JPH0440105A (en) * 1990-06-06 1992-02-10 Oki Electric Ind Co Ltd Linear amplifier circuit
JP3325348B2 (en) * 1992-12-28 2002-09-17 株式会社東芝 Power amplifier
JPH06260864A (en) * 1993-03-08 1994-09-16 Matsushita Electric Ind Co Ltd Transmission output amplifier
US5420536A (en) * 1993-03-16 1995-05-30 Victoria University Of Technology Linearized power amplifier
GB2279779B (en) * 1993-06-02 1997-03-05 Vtech Communications Ltd Amplifier power control system
US5530923A (en) * 1994-03-30 1996-06-25 Nokia Mobile Phones Ltd. Dual mode transmission system with switched linear amplifier
JP3444653B2 (en) * 1994-06-09 2003-09-08 三菱電機株式会社 Power amplifier
US5661434A (en) * 1995-05-12 1997-08-26 Fujitsu Compound Semiconductor, Inc. High efficiency multiple power level amplifier circuit
GB2306814B (en) * 1995-11-01 2000-03-15 Roke Manor Research Improvements in or relating to rf power amplifiers
US5777519A (en) * 1996-07-18 1998-07-07 Simopoulos; Anastasios V. High efficiency power amplifier

Also Published As

Publication number Publication date
EP1095449A4 (en) 2005-11-09
EP1095449A1 (en) 2001-05-02
WO1999060698A1 (en) 1999-11-25

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase