公开(公告)号：WO2010022613A1

公开(公告)日：2010-03-04

申请号：PCT/CN2009/072349

申请日：2009-06-19

Applicant: 深圳华为通信技术有限公司 ,  张希坤 ,  孙捷 ,  殷为民 ,  张亚文 ,  吴剑锋 ,  吴俊

Inventor： 张希坤 ,  孙捷 ,  殷为民 ,  张亚文 ,  吴剑锋 ,  吴俊

IPC: H03F3/20 ,  H03F3/72 ,  H04W88/00

CPC classification number: H03F3/72 ,  H03F1/0266 ,  H03F1/0288 ,  H03F2200/432 ,  H03F2203/7206 ,  H04W88/08

公开(公告)号：WO2012059068A1

公开(公告)日：2012-05-10

申请号：PCT/CN2011/081790

申请日：2011-11-04

Applicant: 华为技术有限公司 ,  殷为民 ,  张希坤 ,  何松柏 ,  胡世飞

Inventor： 殷为民 ,  张希坤 ,  何松柏 ,  胡世飞

IPC: H04L25/02

CPC classification number: H04L27/361

Abstract: 本发明实施例提供一种校正极坐标发射机时延差的方法、装置与通信系统，所述方法包括：生成极坐标发射机输出信号的误差矢量幅度EVM；根据所述极坐标发射机的包络支路与相位支路的时延差与所述EVM之间的函数关系以及所述EVM，获取需要补偿的时延差值；根据所述需要补偿的时延差值对所述极坐标发射机的包络支路和/或所述相位支路进行时延补偿。该方法应用范围广，原理简单，易于实现；由于EVM对时延差非常敏感，并且EVM与时延差两者之间存在着函数关系，所以计算得到的时延差可以达到很高的测试精度。

公开(公告)号：WO2009052761A1

公开(公告)日：2009-04-30

申请号：PCT/CN2008/072745

申请日：2008-10-17

Applicant: 华为技术有限公司 ,  李松林 ,  李洪彩 ,  黄雄飞 ,  张希坤 ,  王传余 ,  李继厚

Inventor： 李松林 ,  李洪彩 ,  黄雄飞 ,  张希坤 ,  王传余 ,  李继厚

IPC: H05K1/14 ,  H05K3/36 ,  H05K7/20 ,  H05K3/42

CPC classification number: H05K1/0204 ,  H01L2224/48091 ,  H01L2924/19107 ,  H05K1/021 ,  H05K1/141 ,  H05K1/182 ,  H05K3/0061 ,  H05K3/3421 ,  H05K2201/09745 ,  H05K2201/10166 ,  H05K2201/10416 ,  H01L2924/00014

Abstract: A PCB device and a method of manufacture thereof. The PCB device includes: a first PCB (301), a second PCB (302), a power tube (305) and a heat sink (303). The second PCB (302) is a PCB of the high frequency and high power device. The SMT soldering side of the side end of the second PCB (302) is soldered with and fixed on the first PCB (301). The power tube (305) is connected with the hest sink (303) through an open window of the first PCB (301) and the second PCB (302). The pin of the power tube (305) is soldering with the second PCB (302). The heat sink (303) is connected with the lower surface of the first PCB (301).

公开(公告)号：WO2011144150A1

公开(公告)日：2011-11-24

申请号：PCT/CN2011/075180

申请日：2011-06-02

Applicant: 华为技术有限公司 ,  殷为民 ,  孙捷 ,  施俊钦 ,  张希坤 ,  焦伟

Inventor： 殷为民 ,  孙捷 ,  施俊钦 ,  张希坤 ,  焦伟

IPC: H03F3/20

CPC classification number: H03F3/193 ,  H01L23/66 ,  H01L24/48 ,  H01L24/49 ,  H01L25/0655 ,  H01L2223/6644 ,  H01L2224/48137 ,  H01L2224/48139 ,  H01L2224/48227 ,  H01L2224/49111 ,  H01L2224/49175 ,  H01L2924/00014 ,  H01L2924/1305 ,  H01L2924/3011 ,  H03F1/0288 ,  H03F3/211 ,  H03F3/601 ,  H03F3/602 ,  H03F2200/405 ,  H01L2924/00 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

公开(公告)号：WO2009082922A1

公开(公告)日：2009-07-09

申请号：PCT/CN2008/073510

申请日：2008-12-15

Applicant: 华为技术有限公司 ,  苏永革 ,  叶四清 ,  何丹东 ,  殷为民 ,  张希坤 ,  王晓仑 ,  韦前华

Inventor： 苏永革 ,  叶四清 ,  何丹东 ,  殷为民 ,  张希坤 ,  王晓仑 ,  韦前华

IPC: H03F1/32

CPC classification number: H03F1/3247 ,  H03F1/02 ,  H03F1/3241 ,  H03F2200/405 ,  H03F2200/408

Abstract: A high efficiency power amplifier is provided. The amplifier includes a drive amplifier and latter power amplifier. The amplifier also includes a first digital pre-distortion correction module for pre-distortion processing the non-linear characteristics of the drive signal outputted by the drive amplifier; A second digital pre-distortion correction module connected to the first digital pre-distortion correction module in series for pre-distortion processing the non-linear characteristics of the amplification signal outputted by the latter power amplifier. Another high efficiency power amplifier is also provided. The amplifier includes a drive amplifier and latter power amplifier. The amplifier also includes a second multiplex control module, a fourth digital pre-distortion correction module and a second selection module.

公开(公告)号：WO2009024058A1

公开(公告)日：2009-02-26

申请号：PCT/CN2008/071966

申请日：2008-08-13

Applicant: 华为技术有限公司 ,  殷为民 ,  张希坤 ,  孙捷 ,  陈卫 ,  孙益平 ,  孙益军

Inventor： 殷为民 ,  张希坤 ,  孙捷 ,  陈卫 ,  孙益平 ,  孙益军

IPC: H04B7/005 ,  H04B1/04

CPC classification number: H03F1/0211 ,  H03F1/02 ,  H03F1/0261 ,  H03F1/301 ,  H03F3/04 ,  H03F3/193 ,  H03F3/195 ,  H03F3/24 ,  H03F3/245 ,  H03F3/72 ,  H03F2200/18 ,  H03F2200/408 ,  H03F2200/411 ,  H03F2200/451 ,  H03F2203/7206 ,  H03G1/00 ,  H04B1/0475 ,  H04B2001/0416 ,  H04B2001/045

Abstract: A method and an equipment for controlling power amplification are disclosed. Wherein, the method for controlling power amplification includes: outputting a corresponding voltage signal based on the state of the network equipment; exerting the voltage signal on the grid electrode or the base electrode of at least one power amplification tube in the power amplifier. The equipment for controlling power amplification is disclosed, including: a main controlling unit, getting the equipment state and sending the corresponding voltage signal based on the state; a voltage controlling unit, outputting the corresponding voltage signal to the grid electrode or the base electrode of the power amplification tube in the power amplifier based on the voltage controlling signal. Based on the technology program, the invention can eliminate the static power dissipation when the power amplifier does not output the RF power and improve the efficiency of the power amplifier.