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author:

魏榕山 (魏榕山.) [1] | 陈锦锋 (陈锦锋.) [2] | 陈传东 (陈传东.) [3]

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CQVIP

Abstract:

本文设计了一个应用于温度传感器的Sigma-Delta调制器.该调制器采用二阶单环一位的结构,通过开关电容型全差分电路的使用,减小了偶次谐波、衬底以及电源噪声,达到了提高精度和降低功耗的目的.本设计采用Global foundries 0.18 μm CMOS工艺,电源电压为1.8V,过采样率为256,采样时钟频率为5 kHz.仿真结果表明该调制器信噪比达92.3 dB,整个调制器的功耗仅为1 mW.

Keyword:

SIGMA-DELTA调制器 温度传感器 过采样

Community:

  • [ 1 ] 福州大学物理与信息工程学院,福建福州350108

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Source :

中国集成电路

ISSN: 1681-5289

Year: 2014

Issue: 6

Volume: 23

Page: 41-46

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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