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AU2002231309A1 - Efficient, precise rf modulation using multiple amplifier stages - Google Patents

Efficient, precise rf modulation using multiple amplifier stages

Info

Publication number
AU2002231309A1
AU2002231309A1 AU2002231309A AU3130902A AU2002231309A1 AU 2002231309 A1 AU2002231309 A1 AU 2002231309A1 AU 2002231309 A AU2002231309 A AU 2002231309A AU 3130902 A AU3130902 A AU 3130902A AU 2002231309 A1 AU2002231309 A1 AU 2002231309A1
Authority
AU
Australia
Prior art keywords
modulation
precise
efficient
amplifier stages
multiple 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
AU2002231309A
Inventor
Wendell B. Sander
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.)
Tropian Inc
Original Assignee
Tropian Inc
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 Tropian Inc filed Critical Tropian Inc
Publication of AU2002231309A1 publication Critical patent/AU2002231309A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating 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
    • H03F1/0211—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
    • H03F1/0222—Continuous control by using a signal derived from the input 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
    • H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AU2002231309A 2000-12-21 2001-12-21 Efficient, precise rf modulation using multiple amplifier stages Abandoned AU2002231309A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/746,530 US6690233B2 (en) 2000-12-21 2000-12-21 Efficient, precise RF modulation using multiple amplifier stages
US09/746,530 2000-12-21
PCT/US2001/050605 WO2002050995A2 (en) 2000-12-21 2001-12-21 Efficient, precise rf modulation using multiple amplifier stages

Publications (1)

Publication Number Publication Date
AU2002231309A1 true AU2002231309A1 (en) 2002-07-01

Family

ID=25001236

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002231309A Abandoned AU2002231309A1 (en) 2000-12-21 2001-12-21 Efficient, precise rf modulation using multiple amplifier stages

Country Status (3)

Country Link
US (1) US6690233B2 (en)
AU (1) AU2002231309A1 (en)
WO (1) WO2002050995A2 (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6980092B2 (en) 2000-04-06 2005-12-27 Gentex Corporation Vehicle rearview mirror assembly incorporating a communication system
US7127005B2 (en) * 2001-03-23 2006-10-24 James Stuart Wight Computational circuits and methods for processing modulated signals having non-constant envelopes
US6993087B2 (en) * 2001-06-29 2006-01-31 Nokia Mobile Phones Ltd. Switching mode power amplifier using PWM and PPM for bandpass signals
US7151913B2 (en) * 2003-06-30 2006-12-19 M/A-Com, Inc. Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
US7221915B2 (en) * 2003-06-25 2007-05-22 M/A-Com, Inc. Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
US7751496B2 (en) * 2003-06-25 2010-07-06 Pine Valley Investments, Inc. Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
US7054597B2 (en) 2003-06-25 2006-05-30 Nokia Corporation Power control for a transmitter
US7460889B2 (en) * 2003-10-16 2008-12-02 Microsemi Corp.—Analog Mixed Signal Group Ltd. High power classification for power over Ethernet
US7492059B2 (en) * 2003-10-16 2009-02-17 Microsemi Corp.—Analog Mixed Signal Group Ltd. High power architecture for power over ethernet
US7299368B2 (en) * 2003-10-16 2007-11-20 Microsemi Corp.-Analog Mixed Signal Group Ltd. High power architecture for power over Ethernet
US7009447B2 (en) * 2003-11-25 2006-03-07 Intel Corporation Outphasing modulator
US20050136858A1 (en) * 2003-12-23 2005-06-23 Eliav Zipper Bipolar modulator
US7509114B2 (en) 2004-01-22 2009-03-24 Microsemi Corp. - Analog Mixed Signal Group Ltd. Redundant powered device circuit
US7369822B2 (en) * 2004-05-18 2008-05-06 Sige Semiconductor Inc. Segmented switching power amplifier
US7327803B2 (en) * 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
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
CA2609333A1 (en) 2005-05-27 2007-03-15 Ahmed Birafane High effeciency rf transmitter system using non-linear amplifiers
US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins 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
US8013675B2 (en) * 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US9106316B2 (en) * 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8334722B2 (en) * 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
JP2007166190A (en) * 2005-12-13 2007-06-28 Matsushita Electric Ind Co Ltd Class D amplifier
DE102006006875B3 (en) * 2006-02-15 2007-05-03 Rembold, Bernhard, Prof. Dr. Ing. Linear amplification arrangement for load-path HF signals, has voltage for non-linear amplifiers supplied from third amplifier for load-pass filter component of HF signal envelope
US7937106B2 (en) * 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
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
US7459973B2 (en) * 2006-06-12 2008-12-02 École De Technologie Supérieure Method and apparatus for amplifying a signal modulated in amplitude
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US8018276B2 (en) * 2006-09-28 2011-09-13 Motorola Mobility, Inc. Signal processing method and power amplifier device
US7881401B2 (en) * 2006-11-17 2011-02-01 Infineon Technologies Ag Transmitter arrangement and signal processing method
US7620129B2 (en) * 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
US7541867B2 (en) * 2007-05-31 2009-06-02 Intel Corporation Polar amplifier
US20110111711A1 (en) * 2008-03-31 2011-05-12 Agency For Science, Technology And Research High Efficiency Linear Transmitter
US8681894B2 (en) * 2009-11-03 2014-03-25 Telefonaktiebolaget L M (Publ) Digital affine transformation modulated power amplifier for wireless communications
US8416884B2 (en) * 2010-08-18 2013-04-09 Panasonic Corporation Digital RF transmitter optimized for linear quantized IQ up conversion
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
WO2013039030A1 (en) * 2011-09-15 2013-03-21 株式会社村田製作所 Power amplifier, and method for operating same
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-carrying time functions
US11038466B2 (en) * 2019-08-19 2021-06-15 Eridan Communications, Inc. Wideband envelope control in polar modulators

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686448A (en) * 1986-08-01 1987-08-11 The United States Of America As Represented By The Secretary Of The Air Force Slewing power supply for programmable phase shifter drive
US5901346A (en) * 1996-12-11 1999-05-04 Motorola, Inc. Method and apparatus utilizing a compensated multiple output signal source
US6285251B1 (en) * 1998-04-02 2001-09-04 Ericsson Inc. Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
US6054896A (en) * 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
US6377784B2 (en) * 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier

Also Published As

Publication number Publication date
US20020079962A1 (en) 2002-06-27
WO2002050995A3 (en) 2002-10-10
WO2002050995A2 (en) 2002-06-27
US6690233B2 (en) 2004-02-10

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