AU2003285622A1 - Preserving linearity of an isolator-free power amplifier by dynamically adjusting bias and supply of active devices - Google Patents

Preserving linearity of an isolator-free power amplifier by dynamically adjusting bias and supply of active devices

Info

Publication number
AU2003285622A1
AU2003285622A1 AU2003285622A AU2003285622A AU2003285622A1 AU 2003285622 A1 AU2003285622 A1 AU 2003285622A1 AU 2003285622 A AU2003285622 A AU 2003285622A AU 2003285622 A AU2003285622 A AU 2003285622A AU 2003285622 A1 AU2003285622 A1 AU 2003285622A1
Authority
AU
Australia
Prior art keywords
isolator
supply
power amplifier
active devices
dynamically adjusting
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
AU2003285622A
Other languages
English (en)
Inventor
Richard F. Keenan
Jaroslaw Lucek
Saleh Osman
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2003285622A1 publication Critical patent/AU2003285622A1/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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0466—Fault detection or indication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
  • Transmitters (AREA)
AU2003285622A 2002-12-12 2003-12-10 Preserving linearity of an isolator-free power amplifier by dynamically adjusting bias and supply of active devices Abandoned AU2003285622A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US43293902P 2002-12-12 2002-12-12
US60/432,939 2002-12-12
PCT/IB2003/005939 WO2004054096A1 (fr) 2002-12-12 2003-12-10 Conservation de la linearite d'un amplificateur de puissance sans isolateur par ajustement dynamique de la polarisation de l'alimentation de dispositifs actifs

Publications (1)

Publication Number Publication Date
AU2003285622A1 true AU2003285622A1 (en) 2004-06-30

Family

ID=32508016

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003285622A Abandoned AU2003285622A1 (en) 2002-12-12 2003-12-10 Preserving linearity of an isolator-free power amplifier by dynamically adjusting bias and supply of active devices

Country Status (5)

Country Link
EP (1) EP1573905A1 (fr)
JP (1) JP2006510258A (fr)
CN (1) CN1723614A (fr)
AU (1) AU2003285622A1 (fr)
WO (1) WO2004054096A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8716984B2 (en) * 2009-06-29 2014-05-06 Advanced Energy Industries, Inc. Method and apparatus for modifying the sensitivity of an electrical generator to a nonlinear load
US8868011B2 (en) * 2012-04-30 2014-10-21 Triquint Semiconductor, Inc. Power amplifier with fast loadline modulation
US9728378B2 (en) 2014-05-02 2017-08-08 Reno Technologies, Inc. Method for controlling an RF generator
US10431428B2 (en) 2014-01-10 2019-10-01 Reno Technologies, Inc. System for providing variable capacitance
US9345122B2 (en) 2014-05-02 2016-05-17 Reno Technologies, Inc. Method for controlling an RF generator
US10284238B1 (en) * 2018-06-11 2019-05-07 Texas Instruments Incorporated DC coupled radio frequency modulator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866136A (en) * 1973-04-23 1975-02-11 Motorola Inc Amplifier protection circuit
US4019150A (en) * 1975-11-17 1977-04-19 Motorola, Inc. PA protection circuit for a single sideband radio
US4122400A (en) * 1976-11-08 1978-10-24 Rca Corporation Amplifier protection circuit
US4353037A (en) * 1980-08-11 1982-10-05 Motorola, Inc. Amplifier protection circuit
US4547746A (en) * 1984-04-09 1985-10-15 Rockwell International Corporation VSWR Tolerant linear power amplifier
US6362690B1 (en) * 2000-04-19 2002-03-26 Ophir Rf, Inc. System and method for closed loop VSWR correction and tuning in RF power amplifiers

Also Published As

Publication number Publication date
WO2004054096A1 (fr) 2004-06-24
EP1573905A1 (fr) 2005-09-14
JP2006510258A (ja) 2006-03-23
CN1723614A (zh) 2006-01-18

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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