AU2001280695A1 - Schemes for maximizing efficiency of power amplifier under power backoff conditions and reducing transmit-band noise floor and adjacent channel power - Google Patents

Schemes for maximizing efficiency of power amplifier under power backoff conditions and reducing transmit-band noise floor and adjacent channel power

Info

Publication number
AU2001280695A1
AU2001280695A1 AU2001280695A AU8069501A AU2001280695A1 AU 2001280695 A1 AU2001280695 A1 AU 2001280695A1 AU 2001280695 A AU2001280695 A AU 2001280695A AU 8069501 A AU8069501 A AU 8069501A AU 2001280695 A1 AU2001280695 A1 AU 2001280695A1
Authority
AU
Australia
Prior art keywords
power
schemes
adjacent channel
noise floor
band noise
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
AU2001280695A
Inventor
Cary L. Delano
Arun Jayaraman
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.)
Tripath Technology Inc
Original Assignee
Tripath Technology 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
Priority claimed from US09/908,879 external-priority patent/US6630899B2/en
Priority claimed from US09/908,967 external-priority patent/US6577189B2/en
Application filed by Tripath Technology Inc filed Critical Tripath Technology Inc
Publication of AU2001280695A1 publication Critical patent/AU2001280695A1/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
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • 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)
  • Amplifiers (AREA)
AU2001280695A 2000-07-20 2001-07-20 Schemes for maximizing efficiency of power amplifier under power backoff conditions and reducing transmit-band noise floor and adjacent channel power Abandoned AU2001280695A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US21986000P 2000-07-20 2000-07-20
US21995400P 2000-07-20 2000-07-20
US60219860 2000-07-20
US60219954 2000-07-20
US09/908,879 US6630899B2 (en) 2000-07-20 2001-07-18 Scheme for maximizing efficiency of power amplifier under power backoff conditions
US09908967 2001-07-18
US09908879 2001-07-18
US09/908,967 US6577189B2 (en) 2000-07-20 2001-07-18 Scheme for reducing transmit-band noise floor and adjacent channel power with power backoff
PCT/US2001/023110 WO2002009273A1 (en) 2000-07-20 2001-07-20 Schemes for maximizing efficiency of power amplifier under power backoff conditions and reducing transmit-band noise floor and adjacent channel power

Publications (1)

Publication Number Publication Date
AU2001280695A1 true AU2001280695A1 (en) 2002-02-05

Family

ID=27499163

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001280695A Abandoned AU2001280695A1 (en) 2000-07-20 2001-07-20 Schemes for maximizing efficiency of power amplifier under power backoff conditions and reducing transmit-band noise floor and adjacent channel power

Country Status (2)

Country Link
AU (1) AU2001280695A1 (en)
WO (1) WO2002009273A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2454890B (en) 2007-11-21 2010-08-25 Limited Cambridge Display Technology Light-emitting device and materials therefor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5352986A (en) * 1993-01-22 1994-10-04 Digital Fidelity, Inc. Closed loop power controller
US6246283B1 (en) * 1999-03-09 2001-06-12 Tripath Technology, Inc. Power efficient line driver

Also Published As

Publication number Publication date
WO2002009273A1 (en) 2002-01-31

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