双芯片无线H2S气体传感器系统，不需要额外的电子元件

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) Pub Date : 2019-06-23 DOI:10.1109/TRANSDUCERS.2019.8808294

D. Burnett, H. Fahad, Lydia Lee, F. Maksimovic, B. Wheeler, O. Khan, A. Javey, K. Pister

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引用次数: 4

摘要

我们描述了一种无线硫化氢(H2S)气体传感器系统，该系统由两个集成电路组成:一个化学敏感场效应晶体管(CS-FET)传感器和一个单片机微型传感器(SCµM)。传感器IC是一个具有响应H2S功能的大块晶体管。SCµM IC使用ARM Cortex M0通过ADC数字化传感器电压，并通过基于超小型、无晶、自由运行环形振荡器的2.4GHz FSK发射机传输数据。集成电路对的总体积小于4mm3，只需要一个电源和天线，不需要额外的组件，并且已经证明可以获取H2S气体产生的信号和2.4GHz的无线传输结果。

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Two-Chip Wireless H2S Gas Sensor System Requiring Zero Additional Electronic Components

We describe a wireless hydrogen sulfide (H2S) gas sensor system comprised of two integrated circuits: a chemically-sensitive field effect transistor (CS-FET) sensor and a single-chip micro-mote (SCµM). The sensor IC is a bulk transistor functionalized to respond to H2S. The SCµM IC uses an ARM Cortex M0 to digitize sensor voltage via an ADC and transmit data through a 2.4GHz FSK transmitter based on an ultra-small, crystal-free, free-running ring oscillator. The IC pair has combined volume <4mm3, requires only a power source & antenna and no additional components, and has been demonstrated to acquire signals resulting from H2S gas and wirelessly transmit results at 2.4GHz.

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来源期刊

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

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