SE0402524D0 - Tunable predistorter - Google Patents
Tunable predistorterInfo
- Publication number
- SE0402524D0 SE0402524D0 SE0402524A SE0402524A SE0402524D0 SE 0402524 D0 SE0402524 D0 SE 0402524D0 SE 0402524 A SE0402524 A SE 0402524A SE 0402524 A SE0402524 A SE 0402524A SE 0402524 D0 SE0402524 D0 SE 0402524D0
- Authority
- SE
- Sweden
- Prior art keywords
- nonlinear
- adjusting
- impedance
- circuit
- tunable
- Prior art date
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
- H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/195—A hybrid coupler being used as power measuring circuit at the input of an amplifier circuit
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Lubricants (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402524A SE0402524D0 (sv) | 2004-09-21 | 2004-10-15 | Tunable predistorter |
AT05784881T ATE507612T1 (de) | 2004-09-21 | 2005-09-20 | Einstellbarer vorverzerrer |
DE602005027715T DE602005027715D1 (de) | 2004-09-21 | 2005-09-20 | Einstellbarer vorverzerrer |
US11/663,341 US7420416B2 (en) | 2004-09-21 | 2005-09-20 | Tunable predistorter |
CN200580031365XA CN101036289B (zh) | 2004-09-21 | 2005-09-20 | 模拟预失真器及其调节方法以及补偿信号变化的方法 |
EP05784881A EP1794879B1 (en) | 2004-09-21 | 2005-09-20 | Tunable predistorter |
PCT/SE2005/001381 WO2006033622A1 (en) | 2004-09-21 | 2005-09-20 | Tunable predistorter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402289A SE0402289D0 (sv) | 2004-09-21 | 2004-09-21 | Predistorter |
SE0402524A SE0402524D0 (sv) | 2004-09-21 | 2004-10-15 | Tunable predistorter |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0402524D0 true SE0402524D0 (sv) | 2004-10-15 |
Family
ID=33455740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0402524A SE0402524D0 (sv) | 2004-09-21 | 2004-10-15 | Tunable predistorter |
Country Status (6)
Country | Link |
---|---|
US (1) | US7420416B2 (sv) |
EP (1) | EP1794879B1 (sv) |
AT (1) | ATE507612T1 (sv) |
DE (1) | DE602005027715D1 (sv) |
SE (1) | SE0402524D0 (sv) |
WO (1) | WO2006033622A1 (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8624678B2 (en) | 2010-12-05 | 2014-01-07 | Rf Micro Devices (Cayman Islands), Ltd. | Output stage of a power amplifier having a switched-bulk biasing and adaptive biasing |
US7729667B2 (en) * | 2006-02-16 | 2010-06-01 | Raytheon Company | System and method for intermodulation distortion cancellation |
WO2009072944A1 (en) * | 2007-12-05 | 2009-06-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Load modulation arrangement |
US20090295759A1 (en) * | 2008-05-29 | 2009-12-03 | Sony Ericsson Mobile Communications Ab | Wireless touch screen pen |
US8604873B2 (en) | 2010-12-05 | 2013-12-10 | Rf Micro Devices (Cayman Islands), Ltd. | Ground partitioned power amplifier for stable operation |
US8766724B2 (en) | 2010-12-05 | 2014-07-01 | Rf Micro Devices (Cayman Islands), Ltd. | Apparatus and method for sensing and converting radio frequency to direct current |
US8629725B2 (en) | 2010-12-05 | 2014-01-14 | Rf Micro Devices (Cayman Islands), Ltd. | Power amplifier having a nonlinear output capacitance equalization |
US8610499B2 (en) | 2011-04-11 | 2013-12-17 | Auriga Measurement Systems, LLC | Radio frequency (RF) amplifier utilizing a predistortion circuit and related techniques |
US8843083B2 (en) | 2012-07-09 | 2014-09-23 | Rf Micro Devices (Cayman Islands), Ltd. | CMOS switching circuitry of a transmitter module |
US8731490B2 (en) | 2012-07-27 | 2014-05-20 | Rf Micro Devices (Cayman Islands), Ltd. | Methods and circuits for detuning a filter and matching network at the output of a power amplifier |
JP2015222912A (ja) * | 2014-05-23 | 2015-12-10 | 三菱電機株式会社 | リニアライザ |
US10211801B2 (en) * | 2016-07-15 | 2019-02-19 | Psemi Corporation | Hybrid coupler with phase and attenuation control |
US10530320B2 (en) | 2016-07-15 | 2020-01-07 | Psemi Corporation | Attenuator de-Qing loss improvement and phase balance |
CN108988802A (zh) * | 2017-06-02 | 2018-12-11 | 深圳宇臻集成电路科技有限公司 | 预失真电路 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4588959A (en) * | 1984-07-12 | 1986-05-13 | Harris Corporation | Hum neutralization circuit |
US5146177A (en) * | 1991-08-30 | 1992-09-08 | General Electric Co. | Balanced reflective nonlinear processor using FETs |
FR2696295B1 (fr) | 1992-09-29 | 1994-12-09 | Europ Agence Spatiale | Dispositif pour corriger les distorsions non-linéaires d'un amplificateur électronique. |
US6028477A (en) * | 1998-04-08 | 2000-02-22 | Powerwave Technologies, Inc. | Adaptive biasing in a power amplifier |
US6018266A (en) * | 1998-11-18 | 2000-01-25 | Hughes Electronics Corporation | Radio frequency system having reflective diode linearizer with balanced tunable impedance loads |
US6326843B1 (en) | 2000-02-25 | 2001-12-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Analog reflective predistorter for power amplifiers |
-
2004
- 2004-10-15 SE SE0402524A patent/SE0402524D0/sv unknown
-
2005
- 2005-09-20 EP EP05784881A patent/EP1794879B1/en not_active Not-in-force
- 2005-09-20 AT AT05784881T patent/ATE507612T1/de not_active IP Right Cessation
- 2005-09-20 US US11/663,341 patent/US7420416B2/en active Active
- 2005-09-20 WO PCT/SE2005/001381 patent/WO2006033622A1/en active Application Filing
- 2005-09-20 DE DE602005027715T patent/DE602005027715D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP1794879B1 (en) | 2011-04-27 |
WO2006033622A8 (en) | 2006-12-14 |
WO2006033622A1 (en) | 2006-03-30 |
DE602005027715D1 (de) | 2011-06-09 |
US7420416B2 (en) | 2008-09-02 |
US20080018398A1 (en) | 2008-01-24 |
EP1794879A1 (en) | 2007-06-13 |
ATE507612T1 (de) | 2011-05-15 |
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