CN1236576C - 码分多址系统的功率放大器及其方法 - Google Patents
码分多址系统的功率放大器及其方法 Download PDFInfo
- Publication number
- CN1236576C CN1236576C CNB011439998A CN01143999A CN1236576C CN 1236576 C CN1236576 C CN 1236576C CN B011439998 A CNB011439998 A CN B011439998A CN 01143999 A CN01143999 A CN 01143999A CN 1236576 C CN1236576 C CN 1236576C
- Authority
- CN
- China
- Prior art keywords
- power
- signal
- gain
- control
- power amplification
- 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.)
- Expired - Fee Related
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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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0087333A KR100469408B1 (ko) | 2000-12-30 | 2000-12-30 | Cdma 시스템의 선형 증폭 장치 및 방법 |
KR87333/2000 | 2000-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1364006A CN1364006A (zh) | 2002-08-14 |
CN1236576C true CN1236576C (zh) | 2006-01-11 |
Family
ID=19704135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011439998A Expired - Fee Related CN1236576C (zh) | 2000-12-30 | 2001-12-30 | 码分多址系统的功率放大器及其方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6642785B2 (zh) |
KR (1) | KR100469408B1 (zh) |
CN (1) | CN1236576C (zh) |
BR (1) | BR0110806A (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101106955B1 (ko) * | 2009-12-16 | 2012-01-20 | 장세주 | 이동통신시스템의 출력단 |
KR102379096B1 (ko) * | 2015-08-12 | 2022-03-25 | 삼성전자주식회사 | Rf 신호 송신을 위한 전자 장치의 동작 방법 및 그 전자 장치 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4737731A (en) * | 1985-04-10 | 1988-04-12 | Harris Corporation | Method and apparatus for reducing distortion in amplifiers |
US5111155A (en) * | 1991-03-04 | 1992-05-05 | Motorola, Inc. | Distortion compensation means and method |
KR100266795B1 (ko) * | 1997-11-29 | 2000-09-15 | 윤종용 | 무선통신시스템의전력증폭기를적응적사전왜곡방식에의해선형화시키기위한장치및방법 |
JPH11196140A (ja) * | 1998-01-05 | 1999-07-21 | Hitachi Denshi Ltd | 電力増幅器 |
US5959500A (en) * | 1998-01-26 | 1999-09-28 | Glenayre Electronics, Inc. | Model-based adaptive feedforward amplifier linearizer |
US6054894A (en) * | 1998-06-19 | 2000-04-25 | Datum Telegraphic Inc. | Digital control of a linc linear power amplifier |
KR100326176B1 (ko) * | 1998-08-06 | 2002-04-17 | 윤종용 | 이동통신시스템의전력증폭장치및방법 |
JP3570898B2 (ja) * | 1998-08-24 | 2004-09-29 | 日本電気株式会社 | プレディストーション回路 |
US6069530A (en) * | 1998-09-16 | 2000-05-30 | Motorola, Inc. | Apparatus and method for linear power amplification |
-
2000
- 2000-12-30 KR KR10-2000-0087333A patent/KR100469408B1/ko not_active IP Right Cessation
-
2001
- 2001-12-27 US US10/026,827 patent/US6642785B2/en not_active Expired - Fee Related
- 2001-12-27 BR BR0110806-9A patent/BR0110806A/pt not_active IP Right Cessation
- 2001-12-30 CN CNB011439998A patent/CN1236576C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1364006A (zh) | 2002-08-14 |
KR20020057081A (ko) | 2002-07-11 |
BR0110806A (pt) | 2003-09-09 |
KR100469408B1 (ko) | 2005-01-31 |
US6642785B2 (en) | 2003-11-04 |
US20020113647A1 (en) | 2002-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LG- NORTEL CO., LTD. Free format text: FORMER OWNER: LG ELECTRONIC CO., LTD. Effective date: 20061124 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061124 Address after: Seoul, South Kerean Patentee after: LG Nortel Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Electronics Inc. |
|
C56 | Change in the name or address of the patentee |
Owner name: LG-ERICSSON CO., LTD. Free format text: FORMER NAME: LG-NORTEL CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Seoul, South Kerean Patentee after: Novera Optics Korea Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Nortel Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060111 Termination date: 20141230 |
|
EXPY | Termination of patent right or utility model |