WO2002101916A3 - Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre - Google Patents
Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre Download PDFInfo
- Publication number
- WO2002101916A3 WO2002101916A3 PCT/FR2002/001916 FR0201916W WO02101916A3 WO 2002101916 A3 WO2002101916 A3 WO 2002101916A3 FR 0201916 W FR0201916 W FR 0201916W WO 02101916 A3 WO02101916 A3 WO 02101916A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- amplifier
- amplitude modulation
- radio frequency
- frequency signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
Landscapes
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02748935A EP1417748A2 (fr) | 2001-06-13 | 2002-06-05 | Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre |
US10/480,670 US7024167B2 (en) | 2001-06-13 | 2002-06-05 | Method for amplitude modulation of a radio frequency signal, and device therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/07746 | 2001-06-13 | ||
FR0107746A FR2826205B1 (fr) | 2001-06-13 | 2001-06-13 | Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002101916A2 WO2002101916A2 (fr) | 2002-12-19 |
WO2002101916A3 true WO2002101916A3 (fr) | 2004-02-26 |
Family
ID=8864274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/001916 WO2002101916A2 (fr) | 2001-06-13 | 2002-06-05 | Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre |
Country Status (4)
Country | Link |
---|---|
US (1) | US7024167B2 (fr) |
EP (1) | EP1417748A2 (fr) |
FR (1) | FR2826205B1 (fr) |
WO (1) | WO2002101916A2 (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6801784B1 (en) * | 2000-11-02 | 2004-10-05 | Skyworks Solutions, Inc. | Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier |
FR2824437B1 (fr) * | 2001-05-04 | 2005-06-03 | Eads Defence & Security Ntwk | Generateur d'un signal radiofrequence module en phase ou frequence et en amplitude, et emetteur l'incorporant |
US7116951B2 (en) * | 2003-12-16 | 2006-10-03 | Motorola, Inc. | Transmitter circuit and method for modulation distortion compensation |
US7787570B2 (en) * | 2005-07-13 | 2010-08-31 | Skyworks Solutions, Inc. | Polar loop radio frequency (RF) transmitter having increased dynamic range amplitude control |
JP2007116651A (ja) * | 2005-09-22 | 2007-05-10 | Renesas Technology Corp | 高周波電力増幅用電子部品および無線通信装置 |
US7869542B2 (en) * | 2006-02-03 | 2011-01-11 | Quantance, Inc. | Phase error de-glitching circuit and method of operating |
US7761065B2 (en) * | 2006-02-03 | 2010-07-20 | Quantance, Inc. | RF power amplifier controller circuit with compensation for output impedance mismatch |
CN101401261B (zh) * | 2006-02-03 | 2012-11-21 | 匡坦斯公司 | 功率放大器控制器电路 |
US7917106B2 (en) * | 2006-02-03 | 2011-03-29 | Quantance, Inc. | RF power amplifier controller circuit including calibrated phase control loop |
US8095090B2 (en) * | 2006-02-03 | 2012-01-10 | Quantance, Inc. | RF power amplifier controller circuit |
US7933570B2 (en) * | 2006-02-03 | 2011-04-26 | Quantance, Inc. | Power amplifier controller circuit |
US8032097B2 (en) * | 2006-02-03 | 2011-10-04 | Quantance, Inc. | Amplitude error de-glitching circuit and method of operating |
US7580629B2 (en) * | 2006-05-15 | 2009-08-25 | Nortel Networks Limited | Los beat detector |
US7894546B2 (en) * | 2006-08-04 | 2011-02-22 | Axiom Microdevices, Inc. | Replica linearized power amplifier |
US7466195B2 (en) * | 2007-05-18 | 2008-12-16 | Quantance, Inc. | Error driven RF power amplifier control with increased efficiency |
US7783269B2 (en) * | 2007-09-20 | 2010-08-24 | Quantance, Inc. | Power amplifier controller with polar transmitter |
JP4867891B2 (ja) * | 2007-10-31 | 2012-02-01 | アイコム株式会社 | Am送信機及びその変調方法 |
US8014735B2 (en) * | 2007-11-06 | 2011-09-06 | Quantance, Inc. | RF power amplifier controlled by estimated distortion level of output signal of power amplifier |
US7777566B1 (en) * | 2009-02-05 | 2010-08-17 | Quantance, Inc. | Amplifier compression adjustment circuit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
WO2000030245A1 (fr) * | 1998-11-18 | 2000-05-25 | Ericsson Inc. | Circuit et procede de modulation i/q avec modulation d'amplitude independante, tres efficace |
WO2000035080A1 (fr) * | 1998-12-07 | 2000-06-15 | Ericsson Inc. | Procede d'annulation de la modulation d'amplitude en modulation de phase dans un amplificateur rf |
US6236267B1 (en) * | 1998-12-29 | 2001-05-22 | International Business Machines Corporation | Linearization for power amplifiers using feed-forward and feedback control |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1278231A (en) * | 1970-01-10 | 1972-06-21 | Plessey Co Ltd | Improvements in and relating to feedback control systems |
JP2834304B2 (ja) * | 1990-10-19 | 1998-12-09 | 松下電器産業株式会社 | 線形電力増幅回路 |
US5430416A (en) * | 1994-02-23 | 1995-07-04 | Motorola | Power amplifier having nested amplitude modulation controller and phase modulation controller |
US5589796A (en) * | 1994-11-01 | 1996-12-31 | Motorola, Inc | Method and apparatus for increasing amplifier efficiency |
-
2001
- 2001-06-13 FR FR0107746A patent/FR2826205B1/fr not_active Expired - Lifetime
-
2002
- 2002-06-05 WO PCT/FR2002/001916 patent/WO2002101916A2/fr not_active Application Discontinuation
- 2002-06-05 EP EP02748935A patent/EP1417748A2/fr not_active Withdrawn
- 2002-06-05 US US10/480,670 patent/US7024167B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000030245A1 (fr) * | 1998-11-18 | 2000-05-25 | Ericsson Inc. | Circuit et procede de modulation i/q avec modulation d'amplitude independante, tres efficace |
WO2000035080A1 (fr) * | 1998-12-07 | 2000-06-15 | Ericsson Inc. | Procede d'annulation de la modulation d'amplitude en modulation de phase dans un amplificateur rf |
US6236267B1 (en) * | 1998-12-29 | 2001-05-22 | International Business Machines Corporation | Linearization for power amplifiers using feed-forward and feedback control |
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
Also Published As
Publication number | Publication date |
---|---|
WO2002101916A2 (fr) | 2002-12-19 |
FR2826205A1 (fr) | 2002-12-20 |
EP1417748A2 (fr) | 2004-05-12 |
US7024167B2 (en) | 2006-04-04 |
FR2826205B1 (fr) | 2003-12-05 |
US20040162039A1 (en) | 2004-08-19 |
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