CN101286962B - 一种载波抵消射频预失真功放实现装置和方法 - Google Patents
一种载波抵消射频预失真功放实现装置和方法 Download PDFInfo
- Publication number
- CN101286962B CN101286962B CN2008101140507A CN200810114050A CN101286962B CN 101286962 B CN101286962 B CN 101286962B CN 2008101140507 A CN2008101140507 A CN 2008101140507A CN 200810114050 A CN200810114050 A CN 200810114050A CN 101286962 B CN101286962 B CN 101286962B
- Authority
- CN
- China
- Prior art keywords
- signal
- amplifier
- attenuator
- right bridge
- exports
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000003321 amplification Effects 0.000 claims abstract description 25
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000001228 spectrum Methods 0.000 claims description 10
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Images
Landscapes
- Amplifiers (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101140507A CN101286962B (zh) | 2008-05-30 | 2008-05-30 | 一种载波抵消射频预失真功放实现装置和方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101140507A CN101286962B (zh) | 2008-05-30 | 2008-05-30 | 一种载波抵消射频预失真功放实现装置和方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101286962A CN101286962A (zh) | 2008-10-15 |
CN101286962B true CN101286962B (zh) | 2010-10-06 |
Family
ID=40058935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101140507A Active CN101286962B (zh) | 2008-05-30 | 2008-05-30 | 一种载波抵消射频预失真功放实现装置和方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101286962B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9276617B2 (en) * | 2013-03-15 | 2016-03-01 | Analog Devices, Inc. | Radio frequency domain digital pre-distortion |
CN106549640A (zh) * | 2016-11-02 | 2017-03-29 | 苏州能讯高能半导体有限公司 | 一种预失真驱动电路 |
CN108134583B (zh) * | 2017-12-28 | 2020-11-06 | 电子科技大学 | 一种误差负反馈式线性化功率放大装置及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0844732A1 (en) * | 1996-11-25 | 1998-05-27 | Space Systems/Loral, Inc. | Linearizer bridge circuit |
CN1462153A (zh) * | 2002-05-29 | 2003-12-17 | 松下电器产业株式会社 | 功率放大器 |
CN1516493A (zh) * | 2003-01-10 | 2004-07-28 | 深圳市中兴通讯股份有限公司上海第二 | 一种功率放大器线性化方法和线性功率放大器装置 |
CN2847693Y (zh) * | 2005-06-15 | 2006-12-13 | 京信通信技术(广州)有限公司 | 用于3g系统宽带功放预失真校正电路的载波对消单元电路 |
CN1913343A (zh) * | 2006-08-29 | 2007-02-14 | 徐源 | 一种对功率自适应的rf基波抵消电路 |
-
2008
- 2008-05-30 CN CN2008101140507A patent/CN101286962B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0844732A1 (en) * | 1996-11-25 | 1998-05-27 | Space Systems/Loral, Inc. | Linearizer bridge circuit |
CN1462153A (zh) * | 2002-05-29 | 2003-12-17 | 松下电器产业株式会社 | 功率放大器 |
CN1516493A (zh) * | 2003-01-10 | 2004-07-28 | 深圳市中兴通讯股份有限公司上海第二 | 一种功率放大器线性化方法和线性功率放大器装置 |
CN2847693Y (zh) * | 2005-06-15 | 2006-12-13 | 京信通信技术(广州)有限公司 | 用于3g系统宽带功放预失真校正电路的载波对消单元电路 |
CN1913343A (zh) * | 2006-08-29 | 2007-02-14 | 徐源 | 一种对功率自适应的rf基波抵消电路 |
Also Published As
Publication number | Publication date |
---|---|
CN101286962A (zh) | 2008-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101534133B (zh) | 一种无线收发信机 | |
US20080111622A1 (en) | Hybrid Doherty Amplifier System and Method | |
WO2013127141A1 (zh) | 一种数字预失真处理方法及装置 | |
CN104704747B (zh) | 扩展带宽的数字多尔蒂发射机 | |
CN101656518B (zh) | 一种前馈功放电路及利用其实现功率放大的方法 | |
CA3059091C (en) | System and method for rf amplifiers | |
CN111181509B (zh) | 一种5g nr射频功率放大器 | |
WO2022227803A1 (zh) | 远端单元、多频段分布式系统以及信号处理方法 | |
US9236891B2 (en) | Radio communication transmitter apparatus and method | |
EP2878078B1 (en) | Digital upconversion for multi-band multi-order power amplifiers | |
CN101114811A (zh) | 基于模拟预失真的线性功率放大电路及方法 | |
KR20100040497A (ko) | 다중대역 중계기 | |
US20050181746A1 (en) | Methods and systems for signal amplification through envelope removal and restoration | |
CN113014275A (zh) | 远端单元、多频段分布式系统以及信号处理方法 | |
CN102710220B (zh) | 一种基于预失真和Doherty的前馈功率放大器 | |
CN105391456A (zh) | 多频段Doherty功放系统 | |
CN101286962B (zh) | 一种载波抵消射频预失真功放实现装置和方法 | |
KR101066640B1 (ko) | 2단 연결 바이어스 혼합 전력 증폭 장치 | |
JP5754362B2 (ja) | 増幅器 | |
JP2007243491A (ja) | 増幅回路 | |
KR20080065042A (ko) | 도허티 전력 증폭기를 위한 디지털 전치 왜곡 선형화기 | |
CN108900207B (zh) | 功放装置、射频信号处理系统和基站 | |
CN103219957A (zh) | 带数字预失真补偿及合路对消功能的功率放大器 | |
CN208707597U (zh) | 功放装置、射频信号处理系统和基站 | |
KR101106955B1 (ko) | 이동통신시스템의 출력단 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190918 Address after: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee after: Wuhan Hongxin Communication Technology Co., ltd. Address before: 100085, beacon building, No. 5-3, East Road, Beijing, Haidian District Patentee before: Beifang Fenghuo Tech Co., Ltd., Beijing |
|
TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP01 | Change in the name or title of a patent holder |
Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |
|
CP01 | Change in the name or title of a patent holder |