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GB2316561B - Improved power amplifier and related method - Google Patents

Improved power amplifier and related method

Info

Publication number
GB2316561B
GB2316561B GB9617641A GB9617641A GB2316561B GB 2316561 B GB2316561 B GB 2316561B GB 9617641 A GB9617641 A GB 9617641A GB 9617641 A GB9617641 A GB 9617641A GB 2316561 B GB2316561 B GB 2316561B
Authority
GB
United Kingdom
Prior art keywords
power amplifier
related method
improved power
improved
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.)
Expired - Fee Related
Application number
GB9617641A
Other versions
GB2316561A (en
GB9617641D0 (en
Inventor
Michael John Welch
Thomas Paul Groves
Andrew Pinnell-Hutchison
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.)
Motorola Solutions UK Ltd
Original Assignee
Motorola Ltd
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 Motorola Ltd filed Critical Motorola Ltd
Priority to GB9617641A priority Critical patent/GB2316561B/en
Publication of GB9617641D0 publication Critical patent/GB9617641D0/en
Publication of GB2316561A publication Critical patent/GB2316561A/en
Application granted granted Critical
Publication of GB2316561B publication Critical patent/GB2316561B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
GB9617641A 1996-08-22 1996-08-22 Improved power amplifier and related method Expired - Fee Related GB2316561B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9617641A GB2316561B (en) 1996-08-22 1996-08-22 Improved power amplifier and related method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9617641A GB2316561B (en) 1996-08-22 1996-08-22 Improved power amplifier and related method

Publications (3)

Publication Number Publication Date
GB9617641D0 GB9617641D0 (en) 1996-10-02
GB2316561A GB2316561A (en) 1998-02-25
GB2316561B true GB2316561B (en) 2001-01-03

Family

ID=10798833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9617641A Expired - Fee Related GB2316561B (en) 1996-08-22 1996-08-22 Improved power amplifier and related method

Country Status (1)

Country Link
GB (1) GB2316561B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2329087A (en) * 1997-09-08 1999-03-10 Motorola Inc Improving the efficiency of a transmitter amplifier by controlling an amplifier voltage using a voltage conditioner such as a switched mode converter
US6223056B1 (en) * 1997-12-31 2001-04-24 Samsung Electronics Co., Ltd. Systems and methods for dynamically controlling a variable power amplifier
GB0028689D0 (en) * 2000-11-24 2001-01-10 Qualcomm Uk Ltd Amplifier circuit
GB2393595B (en) * 2002-09-26 2007-04-04 Qualcomm A transmitter and a method of calibrating power in signals output from a transmitter
GB2395077A (en) * 2002-11-01 2004-05-12 N & L Ltd An amplifier arrangement linearised by predistortion and feedforward; adaptive bias for improved efficiency; thermal overload protection
RU203913U1 (en) * 2021-02-09 2021-04-28 Акционерное общество "Ижевский мотозавод "Аксион-холдинг" Broadband power amplifier for radio transmitting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294833A (en) * 1994-11-01 1996-05-08 Motorola Inc Increasing amplifier efficiency using variable bias

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294833A (en) * 1994-11-01 1996-05-08 Motorola Inc Increasing amplifier efficiency using variable bias

Also Published As

Publication number Publication date
GB2316561A (en) 1998-02-25
GB9617641D0 (en) 1996-10-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010822