AU2003271959A1 - Amplifier assembly - Google Patents

Amplifier assembly

Info

Publication number: AU2003271959A1
Authority: AU; Australia
Prior art keywords: amplifier assembly; amplifier; assembly
Prior art date: 2002-11-01
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

AU2003271959A

Inventor

Martin Neuhaus

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.)

N AND L Ltd

Original Assignee

N AND L 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.)

2002-11-01

Filing date

2003-10-14

Publication date

2004-05-25

2003-10-14 Application filed by N AND L Ltd filed Critical N AND L Ltd

2004-05-25 Publication of AU2003271959A1 publication Critical patent/AU2003271959A1/en

Status Abandoned 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
- 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
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3221—Predistortion by overamplifying in a feedforward stage the distortion signal to have a combined main signal and "negative" distortion to form the predistorted signal for a further stage. so that after amplification in the further stage only the amplified main signal remains

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)

AU2003271959A 2002-11-01 2003-10-14 Amplifier assembly Abandoned AU2003271959A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB0225459A GB2395077A (en)	2002-11-01	2002-11-01	An amplifier arrangement linearised by predistortion and feedforward; adaptive bias for improved efficiency; thermal overload protection
GB0225459.7		2002-11-01
PCT/GB2003/004462 WO2004040751A1 (en)	2002-11-01	2003-10-14	Amplifier assembly

Publications (1)

Publication Number	Publication Date
AU2003271959A1 true AU2003271959A1 (en)	2004-05-25

Family

ID=9946996

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2003271959A Abandoned AU2003271959A1 (en)	2002-11-01	2003-10-14	Amplifier assembly

Country Status (3)

Country	Link
AU (1)	AU2003271959A1 (en)
GB (2)	GB2395077A (en)
WO (1)	WO2004040751A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2411303A (en) *	2004-02-20	2005-08-24	N & L Ltd	A base station RF amplifier with feedback-controlled bias for improved efficiency and linearity
EP2226932B1 (en)	2009-03-02	2013-10-16	Alcatel Lucent	Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof
FR2991527B1 (en)	2012-05-30	2014-06-27	Centre Nat Etd Spatiales	LINEARIZER CALIBRATION METHOD AND LINEARIZED ELECTRONIC COMPONENT
CN115808614B (en) *	2023-02-09	2023-05-16	四川省华盾防务科技股份有限公司	Power amplifier chip thermal performance monitoring method, system and storage medium

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3101453A (en) *	1957-01-21	1963-08-20	Modern Telephones Great Britai	Transistor amplifiers with protective circuit means
US4939786A (en) *	1987-03-09	1990-07-03	Motorola, Inc.	Adaptive thermal protection for a power amplifier by remote sense
US5420536A (en) *	1993-03-16	1995-05-30	Victoria University Of Technology	Linearized power amplifier
GB2296145B (en) *	1994-12-15	1999-09-22	Nokia Mobile Phones Ltd	Radio transmitters and methods of operation
US5570063A (en) *	1995-05-18	1996-10-29	Spectrian, Inc.	RF power amplifier with signal predistortion for improved linearity
KR100217416B1 (en) *	1995-11-16	1999-09-01	윤종용	Linear amplifier and method thereof
US5781069A (en) *	1996-05-16	1998-07-14	Xemod, Inc.	Pre-post distortion amplifier
US5831479A (en) *	1996-06-13	1998-11-03	Motorola, Inc.	Power delivery system and method of controlling the power delivery system for use in a radio frequency system
US5770971A (en) *	1996-07-26	1998-06-23	Northern Telecom Limited	Distortion compensation control for a power amplifier
GB2316561B (en) *	1996-08-22	2001-01-03	Motorola Ltd	Improved power amplifier and related method
US5850162A (en) *	1997-02-20	1998-12-15	Harris Corporation	Linearization of an amplifier employing modified feedforward correction
US5977826A (en) *	1998-03-13	1999-11-02	Behan; Scott T.	Cascaded error correction in a feed forward amplifier
US5963091A (en) *	1998-04-01	1999-10-05	Chen; Jiunn-Tsair	Article comprising a power amplifier with feed forward linearizer using a RLS parameter tracking algorithm
US6064269A (en) *	1998-07-31	2000-05-16	Motorola, Inc.	Power amplifier with variable input voltage source
GB9816820D0 (en) *	1998-08-04	1998-09-30	Koninkl Philips Electronics Nv	Orthogonal signal transmitter
GB2352570B (en) *	1999-07-28	2003-12-24	Wireless Systems Int Ltd	Distortion reduction
US6359507B1 (en) *	1999-08-18	2002-03-19	Lucent Technologies Inc.	Method and apparatus for an automatic predistortion system
US6285252B1 (en) *	1999-09-30	2001-09-04	Harmonic Inc.	Apparatus and method for broadband feedforward predistortion

2002
- 2002-11-01 GB GB0225459A patent/GB2395077A/en not_active Withdrawn
2003
- 2003-10-14 AU AU2003271959A patent/AU2003271959A1/en not_active Abandoned
- 2003-10-14 WO PCT/GB2003/004462 patent/WO2004040751A1/en not_active Ceased
- 2003-10-30 GB GB0325306A patent/GB2396498A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2396498A (en)	2004-06-23
GB0325306D0 (en)	2003-12-03
GB0225459D0 (en)	2002-12-11
WO2004040751A1 (en)	2004-05-13
GB2395077A (en)	2004-05-12

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AU2003253182A1 (en)	2004-03-03	Operational amplifier
AUPR752101A0 (en)	2001-09-27	Amplifier improvements
AU2003271959A1 (en)	2004-05-25	Amplifier assembly
AU2002952347A0 (en)	2002-11-14	Optical amplifier
AU2003301490A1 (en)	2004-05-04	Automatic-bias amplifier circuit
AU2003208685A1 (en)	2003-09-16	Podologic aid
AU2003243065A1 (en)	2003-12-02	Grin-lens arrangement
AU2003263214A1 (en)	2004-03-03	Amplifier
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AU2003900549A0 (en)	2003-02-20	An assembly

Legal Events

Date	Code	Title	Description
2005-07-14	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase