神经信号采集与无线传输系统设计

2013 IEEE 11th International Conference on Dependable, Autonomic and Secure Computing Pub Date : 2013-12-21 DOI:10.1109/DASC.2013.81

Ruoyuan Qu, Tong Li, Shengwei Xu, Fang Han, Li Zhang, Xinxia Cai, H. Dang

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引用次数: 0

摘要

提出了一种用于自由运行测试的无线神经信号采集系统。它由低噪声、高输入阻抗模拟处理、射频(RF)发射机和接收机组成。首先，通过可变增益前置放大器放大弱神经信号，然后通过Sigma-delta ADC进行数字化处理。其次，采用基于IEEE STD802.15标准和开关键控(OOK)调制的射频电路对数字数据进行收发。该IC原型采用中芯国际0.18μm CMOS工艺，占地2.88mm2，功耗40mW。该系统功能完备，可为无线神经信号处理器提供广泛的解决方案。

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Neural Signal Acquisition and Wireless Transmission System Design

A wireless neural signal acquisition system is presented for freely-running test. It consists of low-noise, high input impedance analog processing, radio frequency (RF) transmitter and receiver. Firstly, the weak neural signal is amplified by a variable gain pre-amplifier and then digitalized by a Sigma-delta ADC. Secondly, the digital data is transmitted and received with couple of RF circuits based on IEEE STD802.15 standard and on-off keying (OOK) modulation. Fabricated in SMIC 0.18μm CMOS process, the IC prototype occupies 2.88mm2 and consumes 40mW. It works functionally, which can be a wide solution for wireless neural signal processor.

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2013 IEEE 11th International Conference on Dependable, Autonomic and Secure Computing

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