GB0204047D0 - An apparatus and method for power amplifier linerisation - Google Patents
An apparatus and method for power amplifier linerisationInfo
- Publication number
- GB0204047D0 GB0204047D0 GB0204047A GB0204047A GB0204047D0 GB 0204047 D0 GB0204047 D0 GB 0204047D0 GB 0204047 A GB0204047 A GB 0204047A GB 0204047 A GB0204047 A GB 0204047A GB 0204047 D0 GB0204047 D0 GB 0204047D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- linerisation
- power amplifier
- amplifier
- power
- amplifier linerisation
- 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.)
- Withdrawn
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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3264—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits in audio 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
- H03F1/32—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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3294—Acting on the real and imaginary components of the input signal
-
- 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
- H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0204047A GB2385730A (en) | 2002-02-20 | 2002-02-20 | An apparatus and method for power amplifier linearisation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0204047A GB2385730A (en) | 2002-02-20 | 2002-02-20 | An apparatus and method for power amplifier linearisation |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0204047D0 true GB0204047D0 (en) | 2002-04-03 |
GB2385730A GB2385730A (en) | 2003-08-27 |
Family
ID=9931466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0204047A Withdrawn GB2385730A (en) | 2002-02-20 | 2002-02-20 | An apparatus and method for power amplifier linearisation |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2385730A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7349490B2 (en) * | 2003-04-16 | 2008-03-25 | Powerwave Technologies, Inc. | Additive digital predistortion system employing parallel path coordinate conversion |
KR100518456B1 (en) | 2003-10-10 | 2005-09-30 | 학교법인 포항공과대학교 | Digital feedback linearizer for linearizing power amplifier and method therefor |
DE60335670D1 (en) | 2003-11-25 | 2011-02-17 | Ericsson Telefon Ab L M | POWER AMP predistorter TRAINING |
GB2463015A (en) * | 2008-08-27 | 2010-03-03 | Roke Manor Research | An RF transmitter with distortion reduction by feedforward of a model-derived error signal |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5049832A (en) * | 1990-04-20 | 1991-09-17 | Simon Fraser University | Amplifier linearization by adaptive predistortion |
US5923712A (en) * | 1997-05-05 | 1999-07-13 | Glenayre Electronics, Inc. | Method and apparatus for linear transmission by direct inverse modeling |
GB2337169A (en) * | 1998-05-07 | 1999-11-10 | Nokia Mobile Phones Ltd | An adaptive predistorter for an amplifier |
GB2351624B (en) * | 1999-06-30 | 2003-12-03 | Wireless Systems Int Ltd | Reducing distortion of signals |
US6356146B1 (en) * | 1999-07-13 | 2002-03-12 | Pmc-Sierra, Inc. | Amplifier measurement and modeling processes for use in generating predistortion parameters |
JP2001111438A (en) * | 1999-10-13 | 2001-04-20 | Nec Corp | Transmitter and distortion compensation method to be used for the transmitter |
-
2002
- 2002-02-20 GB GB0204047A patent/GB2385730A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2385730A (en) | 2003-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |