Low-Voltage Fully Differential CMOS Neural Amplifier based on CFOA

被引：0
|
作者：
ElGuindy, Mona [1 ]
Madian, Ahmed H. [1 ]
机构：
[1] German Univ Cairo, Elect & Elect Engn Dept, Cairo, Egypt
来源：
2013 IEEE 20TH INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS, AND SYSTEMS (ICECS) | 2013年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a low voltage fully differential neural amplifier based on current feedback operational amplifier (CFOA) is introduced. The gains of LFP and spikes signals can be tuned using the amplifiers capacitors. The designed amplifier provides a maximum output gain up to 50 dB, a total power consumption of 4.218 nW, and an input referred noise of 3.38 mu V/Hz(1/2) and 5.96 mu V/Hz(1/2) for LFP signals and spikes signals, respectively. Moreover, the lower cutoff frequencies of the amplifier can be tuned using the pseudo-resistor. The neural amplifier has been simulated using LTspice with a CMOS technology of 90nm provided from MOSIS and power supply voltage of +/- 0.6V. The simulation results is demonstrated and discussed. Also, a performance comparison between the proposed amplifier and other neural amplifiers is presented.
引用
收藏
页码：526 / 529
页数：4
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