A low-noise instrumentation amplifier with DC suppression for recording ENG signals

A low-noise instrumentation amplifier with DC suppression for recording ENG signals
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具有直流抑制功能的低噪声仪表放大器,用于记录 ENG 信号

DOI:
10.1109/embc.2015.7318947
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发表时间:
2015
期刊:
2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
影响因子:
--
通讯作者:
C. Toumazou
C. Toumazou
中科院分区:
--
文献类型:
--
作者:
Sivylla E. Paraskevopoulou;A. Eftekhar;N. Kulasekeram;C. Toumazou

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本文介绍了一种用于神经电图(ENG)活动记录的交流耦合仪表放大器。对于此设计,我们根据干扰源(电极、电源线、EMG)评估增益和噪声要求。该电路采用0.35μ mCMOS工艺实现,总功耗460μW。该放大器实现CMRR 107 dB和集成输入参考噪声940 nV。增益为63 dB,带宽为0.5 Hz- 13 kHz。选择的拓扑结构能够最大限度地减少片上电容(仅27 pF),总芯片面积为0.4mm2。
This paper presents an AC-coupled instrumentation amplifier for electroneurogram (ENG) activity recording. For this design, we evaluate gain and noise requirements based on interference sources (electrodes, power line, EMG). The circuit has been implemented in a commercially-available 0.35μm CMOS technology with total power consumption 460μW. The amplifier achieves CMRR 107 dB and integrated input referred noise 940 nV. The gain is 63 dB and the bandwidth is 0.5 Hz- 13 kHz. The chosen topology enables to minimise on-chip capacitance (only 27 pF), with a total chip area of 0.4mm2.
一种具有被动中和神经记录三极子肌电干扰功能的集成放大器
DOI: 10.1109/jsen.2013.2271477
发表时间: 2013
影响因子: 4.3
作者:
Demosthenous A
通讯作者: Demosthenous A