GB2260871B - R.F. Power amplifier - Google Patents

R.F. Power amplifier

Info

Publication number: GB2260871B
Authority: GB; United Kingdom
Prior art keywords: power amplifier; amplifier; power
Prior art date: 1991-10-25
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.)

1991-10-25

Filing date

1991-10-25

Publication date

1995-06-28

1991-10-25 Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd

1991-10-25 Priority to GB9122733A priority Critical patent/GB2260871B/en

1991-12-11 Publication of GB9122733D0 publication Critical patent/GB9122733D0/en

1993-04-28 Publication of GB2260871A publication Critical patent/GB2260871A/en

1995-06-28 Application granted granted Critical

1995-06-28 Publication of GB2260871B publication Critical patent/GB2260871B/en

2011-10-25 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
US6078222A (en) *	1996-07-05	2000-06-20	Thomcast Communications, Inc.	Controller-based radio frequency amplifier module and method
US6078794A (en) *	1997-02-19	2000-06-20	Motorola, Inc.	Impedance matching for a dual band power amplifier
DE60037060T2 (en) *	1999-03-30	2008-09-18	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

1991
- 1991-10-25 GB GB9122733A patent/GB2260871B/en not_active Expired - Fee Related

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
2000-08-09	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2002-06-12	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20011025