用于高速串行收发器的低功耗静噪检测器  

A Low Power Squelch Detector for High Speed Serial Transceiver

作　　者：宋鑫宇 虞致国 刘彦航 赵琳娜 王恬 顾晓峰 SONG Xinyu;YU Zhiguo;LIU Yanhang;ZHAO Linna;WANG Tian;GU Xiaofeng(Engineering Research Center of Internet of Things Technology Applications of Ministry of Education,Department of Electronic Engineering,Jiangnan University Wuxi,Jiangsu 214122,P.R.China)

机构地区：[1]江南大学电子工程系物联网技术应用教育部工程研究中心,江苏无锡214122

出　　处：《微电子学》2020年第3期339-343,共5页Microelectronics

基　　金：中央高校基本科研业务费专项资金资助项目(JUSRP51510);江苏省研究生科研与实践创新计划项目(SJCX18_0647)。

摘　　要：提出了一种基于0.13μm CMOS工艺实现的低功耗静噪检测器,可应用于通用串行总线(USB)等高速串行数据链路。该静噪检测器包括电平转换器、比较器和输出检测器。电平转换器中,引入了基准电流源和电流镜,电源电压较传统电路降低20%以上。仿真结果表明,在1.35~1.65 V电源电压、0℃~70℃温度范围内,在480 Mbit/s输入数据速率下,静噪检测阈值电压的最大值、最小值分别为140 mV、106 mV。电路面积为0.036 mm^2,功耗仅为3.7 mW@1.5 V。A low power squelch detector based on a 0.13μm CMOS process was presented,which could be applied to serial high speed data links such as Universal Serial Bus(USB).The proposed architecture consisted of three major parts:level shifter,comparator and output detector.The reference current source and current mirror were introduced into the level shifter,and the power supply voltage was reduced by more than 20%compared with the conventional circuit.The simulation results showed that in the range of 1.35~1.65 V power supply voltage and 0℃~70℃temperature,at 480 Mbit/s input data rate,the maximum and minimum values of the threshold voltage of noise detection were 140 mV and 106 mV respectively.The circuit area was 0.036 mm^2,and the power consumption was only 3.7 mW@1.5 V.

关 键 词：静噪检测器 低功耗 电平转换器 USB 

分 类 号：TN432[电子电信—微电子学与固体电子学]