GB2260871B - R.F. Power amplifier - Google Patents

R.F. Power amplifier

Info

Publication number
GB2260871B
GB2260871B GB9122733A GB9122733A GB2260871B GB 2260871 B GB2260871 B GB 2260871B GB 9122733 A GB9122733 A GB 9122733A GB 9122733 A GB9122733 A GB 9122733A GB 2260871 B GB2260871 B GB 2260871B
Authority
GB
United Kingdom
Prior art keywords
power amplifier
amplifier
power
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
GB9122733A
Other versions
GB9122733D0 (en
GB2260871A (en
Inventor
Michael Borwick
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9122733A priority Critical patent/GB2260871B/en
Publication of GB9122733D0 publication Critical patent/GB9122733D0/en
Publication of GB2260871A publication Critical patent/GB2260871A/en
Application granted granted Critical
Publication of GB2260871B publication Critical patent/GB2260871B/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
    • 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
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • 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)
GB9122733A 1991-10-25 1991-10-25 R.F. Power amplifier Expired - Fee Related GB2260871B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9122733A GB2260871B (en) 1991-10-25 1991-10-25 R.F. Power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9122733A GB2260871B (en) 1991-10-25 1991-10-25 R.F. Power amplifier

Publications (3)

Publication Number Publication Date
GB9122733D0 GB9122733D0 (en) 1991-12-11
GB2260871A GB2260871A (en) 1993-04-28
GB2260871B true GB2260871B (en) 1995-06-28

Family

ID=10703562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9122733A Expired - Fee Related GB2260871B (en) 1991-10-25 1991-10-25 R.F. Power amplifier

Country Status (1)

Country Link
GB (1) GB2260871B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6055418A (en) * 1996-07-05 2000-04-25 Thomcast Communications, Inc. Computer program product configured to control modular transmission system components
US6078794A (en) * 1997-02-19 2000-06-20 Motorola, Inc. Impedance matching for a dual band power amplifier
EP1041711B1 (en) * 1999-03-30 2007-11-14 Nxp B.V. Electronic device with a power amplifier
DE10250229B4 (en) 2002-10-29 2004-08-05 Hüttinger Elektronik GmbH & Co. KG Power control for high frequency amplifiers
KR100621135B1 (en) * 2004-04-08 2006-09-13 삼성전자주식회사 Antenna system for terrestrial broadcasting
US7102442B2 (en) * 2004-04-28 2006-09-05 Sony Ericsson Mobile Communications Ab Wireless terminals, methods and computer program products with transmit power amplifier input power regulation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Demand-switched supply boosts amplifier efficiency, Leiner, Electronics November 9,1978 p115. *

Also Published As

Publication number Publication date
GB9122733D0 (en) 1991-12-11
GB2260871A (en) 1993-04-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011025