A miniature telemetric system base on chip nRF24E1for recording EEG activity in freely moving rat
In this paper,we designed a telemetric system to record the electroencephalogram (EEG) from adult freely moving rats.The system has two units:Transmit-end and Receive-end.The Transmit-end is consists of three parts:the preamplifier,which is used instrument amplifier AD620; the LPF (low-pass filter) and the 50 Hz frequency notch filter,which is used the precision amplifier LM324; the transmitter,which is used nRF24E1 chip embedded 8051 core and 8 input ADC transmit the modulated signal at 2.4GHz.The Receiveend is consists of two parts:the receiver,which is used nRF24E1 chip also (nRF24E1 embed RF transmitter and receiver); the interface of Receive-end and PC,which is used MAX3232 (RS-232 chip).The Transmit-end fettered on the back of the rat has light weight (10g including battery) and small size (20mm×50mm).The system can measure the EEG signal of the rat in freely moving over a wireless transmission distance of up to 8 m and also can provide a new platform for behavioral and neurophysiological experiments.
telemetric system Wireless nRF24E1 EEG rat
Zhanping Wang Chong Luo Chunpeng Zhang Yang Xia
University of Electronic Science and Technology of China,Chengdu,P.R.China,610054
国际会议
7th Asian-Pacific Conference on Medical and Biological Engineering(第七届亚太地区生物工程学术会议)
北京
英文
2008-04-22（万方平台首次上网日期，不代表论文的发表时间）