AU2001269373A1 - System and method for auto-bias of an amplifier - Google Patents

System and method for auto-bias of an amplifier

Info

Publication number
AU2001269373A1
AU2001269373A1 AU2001269373A AU6937301A AU2001269373A1 AU 2001269373 A1 AU2001269373 A1 AU 2001269373A1 AU 2001269373 A AU2001269373 A AU 2001269373A AU 6937301 A AU6937301 A AU 6937301A AU 2001269373 A1 AU2001269373 A1 AU 2001269373A1
Authority
AU
Australia
Prior art keywords
auto
bias
amplifier
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
AU2001269373A
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
Publication of AU2001269373A1 publication Critical patent/AU2001269373A1/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
    • H03F1/0261—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
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/481—A resistor being used as sensor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/483—A shunting switch being paralleled to the sensor
    • 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)
AU2001269373A 2000-07-31 2001-07-16 System and method for auto-bias of an amplifier Abandoned AU2001269373A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09628843 2000-07-31
US09/628,843 US6351189B1 (en) 2000-07-31 2000-07-31 System and method for auto-bias of an amplifier
PCT/IB2001/001265 WO2002011279A2 (en) 2000-07-31 2001-07-16 System and method for auto-bias of an amplifier

Publications (1)

Publication Number Publication Date
AU2001269373A1 true AU2001269373A1 (en) 2002-02-13

Family

ID=24520528

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001269373A Abandoned AU2001269373A1 (en) 2000-07-31 2001-07-16 System and method for auto-bias of an amplifier

Country Status (3)

Country Link
US (1) US6351189B1 (en)
AU (1) AU2001269373A1 (en)
WO (1) WO2002011279A2 (en)

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US6573796B2 (en) * 2001-09-24 2003-06-03 Infineon Technologies Ag Automatic LDMOS biasing with long term hot carrier compensation
US6566944B1 (en) 2002-02-21 2003-05-20 Ericsson Inc. Current modulator with dynamic amplifier impedance compensation
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ATE467263T1 (en) 2002-03-15 2010-05-15 Ericsson Telefon Ab L M R.F. OUTPUT POWER CONTROL
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
GB2389275B (en) * 2002-05-31 2006-10-25 Hitachi Ltd Apparatus for mobile communication system
IL150006A0 (en) * 2002-06-03 2002-12-01 Paragon Comm Ltd Apparatus for detecting the envelope of rf power signals
US6891438B2 (en) * 2002-12-12 2005-05-10 Northrop Grumman Corporation Adaptive active bias compensation technique for power amplifiers
ATE378729T1 (en) * 2003-03-03 2007-11-15 Alcatel Lucent METHOD FOR ADJUSTING THE WORKING POINT OF A TRANSISTOR IN A POWER AMPLIFIER
GB2400249B (en) * 2003-03-31 2005-08-10 Motorola Inc Power amplifier and a RF transmitter and terminal including the amplifier
JP4287193B2 (en) * 2003-05-15 2009-07-01 株式会社ルネサステクノロジ Electronic component for high frequency power amplification and wireless communication system
US7433658B1 (en) * 2003-09-30 2008-10-07 Marvell International Ltd. System and method for controlling true output power of a transmitter
EP1564898A1 (en) * 2004-02-13 2005-08-17 Thomson Licensing S.A. Radio transmitter with reduced power consumption
US20050208907A1 (en) * 2004-03-18 2005-09-22 Ryo Yamazaki Detecting and maintaining linearity in a power amplifier system through envelope power comparisons
US20050227646A1 (en) * 2004-03-18 2005-10-13 Ryo Yamazaki Detecting and maintaining linearity in a power amplifier system through comparing peak and RMS power levels
US20060214842A1 (en) * 2004-06-29 2006-09-28 Kyocera Corporation Mixer, High-Frequency transmitting/receiving apparatus having the same, radarapparatus having the high-frequency transmitting/receiving apparatus, and vehicle equipped with radar apparatus
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7693491B2 (en) * 2004-11-30 2010-04-06 Broadcom Corporation Method and system for transmitter output power compensation
DE102005007159A1 (en) * 2005-02-16 2006-08-24 Eads Deutschland Gmbh RF amplifier
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8031804B2 (en) * 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
WO2008078195A2 (en) 2006-12-26 2008-07-03 Dali Systems Co., Ltd. Method and system for baseband predistortion linearization in multi-channel wideband communication systems
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US8331882B1 (en) 2007-06-22 2012-12-11 Panasonic Corporation VSWR normalizing envelope modulator
US7554395B1 (en) * 2007-06-28 2009-06-30 Panasonic Corporation Automatic low battery compensation scaling across multiple power amplifier stages
US7702300B1 (en) 2007-07-12 2010-04-20 Panasonic Corporation Envelope modulator saturation detection using a DC-DC converter
US8243956B2 (en) * 2007-08-13 2012-08-14 Gentex Corporation Auto bias microphone system for use with multiple loads and method of forming same
DE602007005814D1 (en) * 2007-11-12 2010-05-20 Lucent Technologies Inc Radio frequency transmitter
WO2009145887A1 (en) * 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
CN103597807B (en) 2010-09-14 2015-09-30 大理系统有限公司 Long-range reconfigurable distributing antenna system and method
US8913970B2 (en) * 2010-09-21 2014-12-16 Apple Inc. Wireless transceiver with amplifier bias adjusted based on modulation scheme
US8738066B2 (en) 2010-10-07 2014-05-27 Apple Inc. Wireless transceiver with amplifier bias adjusted based on modulation scheme and transmit power feedback
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
US8786373B2 (en) * 2012-02-21 2014-07-22 Calogero D. Presti Adjustable bypass circuit for a supply voltage for an amplifier
US10750294B2 (en) * 2012-07-19 2020-08-18 Cochlear Limited Predictive power adjustment in an auditory prosthesis
US9059666B2 (en) 2013-01-08 2015-06-16 Aviat U.S., Inc. Systems and methods for biasing amplifiers during high-power operation with adaptive closed-loop control
US9160284B2 (en) 2013-01-08 2015-10-13 Aviat U.S., Inc. Systems and methods for biasing amplifiers using adaptive closed-loop control and adaptive predistortion
WO2014110187A1 (en) * 2013-01-08 2014-07-17 Aviat Networks, Inc. Systems and methods for biasing amplifiers with adaptive closed loop control
CN106415435B (en) 2013-09-17 2020-08-11 帕克维辛股份有限公司 Method, apparatus and system for presenting information bearing time function
CN104682880B (en) * 2013-11-26 2018-01-26 展讯通信（上海）有限公司 Suppress the circuit and audio output circuit of audio output noise
AU2016307964B2 (en) * 2015-08-14 2020-07-16 Viasat, Inc. Digital dynamic bias circuit
US10116264B1 (en) 2017-05-31 2018-10-30 Corning Optical Communications Wireless Ltd Calibrating a power amplifier such as in a remote unit in a wireless distribution system (WDS)
CN108829931B (en) * 2018-05-18 2022-07-05 龙迅半导体（合肥）股份有限公司 BMC transceiver

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US6148220A (en) * 1997-04-25 2000-11-14 Triquint Semiconductor, Inc. Battery life extending technique for mobile wireless applications
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US6111466A (en) 1999-03-22 2000-08-29 Motorola, Inc. Amplifier with feedback to provide bias adjustment
US6194968B1 (en) * 1999-05-10 2001-02-27 Tyco Electronics Logistics Ag Temperature and process compensating circuit and controller for an RF power amplifier

Also Published As

Publication number Publication date
US6351189B1 (en) 2002-02-26
WO2002011279A3 (en) 2002-06-27
WO2002011279A2 (en) 2002-02-07

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