A programmable gain amplifier with DC-offset cancellation for power line communication - 文章详情页

作者：

Zhong, Chaoli (Zhong, Chaoli.) | Zhu, Di (Zhu, Di.) | Huang, Guanzhong (Huang, Guanzhong.) | Wan, Peiyuan (Wan, Peiyuan.) | Lin, Ping (Lin, Ping.)

收录：

EI Scopus

摘要：

This　paper　presents　an　improved　DC-offset　cancellation　(DCOC)　circuit　for　programmable-gain　amplifier　(PGA)　in　power　line　communication.　It　is　a　speed-enhanced　and　low-noisy　method　by　using　current-mode　feedback.　The　output　DC-offset　can　be　reduced　from　several　hundred　millivolts　to　less　than　5mV　over　64　dB　gain　range.　Furthermore,　this　proposed　technique　does　not　bring　in　excessive　design　complexity　or　large　chip　area　by　reusing　master-slave　configuration　that　already　existed　in　the　system.　The　circuit　is　designed　in　0.18μm　CMOS　technology.　©2010　IEEE.

关键词：

Carrier transmission on power lines Programmed control systems

作者机构：

[ 1 ] [Zhong, Chaoli]Beijing Embedded System Key Lab., Beijing University of Technology, Beijing 100124, China
[ 2 ] [Zhu, Di]Beijing Embedded System Key Lab., Beijing University of Technology, Beijing 100124, China
[ 3 ] [Huang, Guanzhong]Beijing Embedded System Key Lab., Beijing University of Technology, Beijing 100124, China
[ 4 ] [Wan, Peiyuan]Beijing Embedded System Key Lab., Beijing University of Technology, Beijing 100124, China
[ 5 ] [Lin, Ping]Beijing Embedded System Key Lab., Beijing University of Technology, Beijing 100124, China

通讯作者信息：

电子邮件地址：

zhongchaol@emails.bjut.edu.cn

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