一种基于CNTFET的血糖监测系统多级跨阻抗放大器

2018 IEEE 9th Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON) Pub Date : 2018-11-01 DOI:10.1109/IEMCON.2018.8614830

Kavyashree Puttananjegowda, Sylvia W. Thomas

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引用次数: 6

摘要

本文设计了一种超低功耗、低噪声的基于碳纳米管场效应晶体管(CNTFET)的跨阻抗放大器(TIA)，用于可穿戴设备的电流测量血糖监测系统。采用CNTFET技术设计并实现了级联码共源多级跨阻放大电路。研究表明，通过考虑碳纳米管的最佳数量、碳纳米管间距和碳纳米管直径，可以提高所提出的TIA的性能。TIA显着增加了跨阻增益572 MΩ，带宽为200 MHz，输入参考电流噪声为8.3 fA/⇃Hz，输入电流为2 nA。总功耗为11pw，电源为1.8 V。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A CNTFET based Multi-Stage Transimpedance Amplifier for Blood Glucose Monitoring Systems

In this paper, the design of an ultra-low-power, low noise carbon nanotube field effect transistor (CNTFET) based transimpedance amplifier (TIA) is presented for an amperiometric based blood glucose monitoring system for wearable devices. The proposed cascode common source multistage transimpedance amplifier circuit is designed and implemented in CNTFET technology. It has been demonstrated that the performance of the proposed TIA can be enhanced by considering an optimum number of CNTs, the CNT pitch and CNT diameter. The TIA shows a significant increase in transimpedance gain, 572 MΩ, with a bandwidth of 200 MHz and an input referred current noise of 8.3 fA/⇃Hz for an input current of 2 nA. The total power consumption is 11 pW with a 1.8 V supply.

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来源期刊

2018 IEEE 9th Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON)

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