一种用于腕表式系统的54 μ w快速沉降动脉脉搏波传感器

2016 IEEE International Symposium on Circuits and Systems (ISCAS) Pub Date : 2016-05-22 DOI:10.1109/ISCAS.2016.7527432

Kwantae Kim, Minseo Kim, Hyunwoo Cho, Kwonjoon Lee, S. Ryu, H. Yoo

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引用次数: 1

摘要

一款专用于腕表型系统的超低功率动脉脉搏波(APW)传感器采用0.18 μm CMOS技术，电源为1.8 v。占空比控制(DCC)电流源(CS)可实现低功耗电流注入，功耗降低98%。一个直流平衡放大器减少72%的稳定时间，使快速APW信号采集时，运动伪影发生。仿真的2.125 mm2单片APW传感器功耗仅为54 μ w。

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A 54-μW fast-settling arterial pulse wave sensor for wrist watch type system

A dedicated ultra-low power arterial pulse wave (APW) sensor for wrist watch type system is implemented in 0.18-μm CMOS technology with 1.8-V supply. A duty cycle controlled (DCC) current source (CS) enables low-power consuming current injection with 98% power reduction. A DC balanced amplifier reduces settling time by 72%, enabling fast APW signal acquisition when motion artifact is occurred. The simulated 2.125-mm2 single chip APW sensor consumes only 54-μW.

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来源期刊

2016 IEEE International Symposium on Circuits and Systems (ISCAS)

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