AU7462896A - Wideband power amplifier control systems - Google Patents
Wideband power amplifier control systemsInfo
- Publication number
- AU7462896A AU7462896A AU74628/96A AU7462896A AU7462896A AU 7462896 A AU7462896 A AU 7462896A AU 74628/96 A AU74628/96 A AU 74628/96A AU 7462896 A AU7462896 A AU 7462896A AU 7462896 A AU7462896 A AU 7462896A
- Authority
- AU
- Australia
- Prior art keywords
- signal
- output
- power amplifier
- control
- carrier
- 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.)
- Abandoned
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
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
-
- 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
- H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51828795A | 1995-08-23 | 1995-08-23 | |
US518287 | 1995-08-23 | ||
PCT/US1996/010827 WO1997008822A1 (fr) | 1995-08-23 | 1996-06-25 | Systemes de commande d'amplificateur de puissance a bande large |
Publications (1)
Publication Number | Publication Date |
---|---|
AU7462896A true AU7462896A (en) | 1997-03-19 |
Family
ID=24063320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU74628/96A Abandoned AU7462896A (en) | 1995-08-23 | 1996-06-25 | Wideband power amplifier control systems |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU7462896A (fr) |
WO (1) | WO1997008822A1 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US6144255A (en) * | 1998-10-19 | 2000-11-07 | Powerwave Technologies, Inc. | Feedforward amplification system having mask detection compensation |
US6118339A (en) * | 1998-10-19 | 2000-09-12 | Powerwave Technologies, Inc. | Amplification system using baseband mixer |
US6493543B1 (en) * | 1998-10-19 | 2002-12-10 | Powerwave Technologies, Inc. | Multichannel amplification system using mask detection |
US6140874A (en) * | 1998-10-19 | 2000-10-31 | Powerwave Technologies, Inc. | Amplification system having mask detection and bias compensation |
US6147555A (en) * | 1998-10-19 | 2000-11-14 | Powerwave Technologies, Inc. | Amplification system having mask detection |
KR20030009337A (ko) * | 2000-01-07 | 2003-01-29 | 스펙트리안 코퍼레이션 | 알 에프 전력 증폭기 왜곡을 측정 및 정정하는데 사용된검출기를 소인하는 반송파-블랭킹 메카니즘 |
US20020146996A1 (en) | 2001-03-06 | 2002-10-10 | Bachman Thomas A. | Scanning receiver for use in power amplifier linearization |
US6829471B2 (en) | 2001-03-07 | 2004-12-07 | Andrew Corporation | Digital baseband receiver in a multi-carrier power amplifier |
US7038540B2 (en) * | 2003-02-14 | 2006-05-02 | Powerwave Technologies, Inc. | Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier |
US7403573B2 (en) | 2003-01-15 | 2008-07-22 | Andrew Corporation | Uncorrelated adaptive predistorter |
US7729668B2 (en) | 2003-04-03 | 2010-06-01 | Andrew Llc | Independence between paths that predistort for memory and memory-less distortion in power amplifiers |
US7259630B2 (en) | 2003-07-23 | 2007-08-21 | Andrew Corporation | Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter |
US6963242B2 (en) | 2003-07-31 | 2005-11-08 | Andrew Corporation | Predistorter for phase modulated signals with low peak to average ratios |
US7023273B2 (en) | 2003-10-06 | 2006-04-04 | Andrew Corporation | Architecture and implementation methods of digital predistortion circuitry |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4885551A (en) * | 1988-10-31 | 1989-12-05 | American Telephone And Telegraph Company At&T Bell Laboratories | Feed forward linear amplifier |
US5489875A (en) * | 1994-09-21 | 1996-02-06 | Simon Fraser University | Adaptive feedforward linearizer for RF power amplifiers |
-
1996
- 1996-06-25 AU AU74628/96A patent/AU7462896A/en not_active Abandoned
- 1996-06-25 WO PCT/US1996/010827 patent/WO1997008822A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
WO1997008822A1 (fr) | 1997-03-06 |
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