多路复用器
前置放大器
低通滤波器
滤波器(信号处理)
放大器
带通滤波器
高通滤波器
噪音(视频)
电子工程
电气工程
CMOS芯片
工程类
计算机科学
多路复用
图像(数学)
人工智能
作者
Wadysaw Dbrowski,T. Fiutowski,Przemysław Rydygier,P. Wicek
标识
DOI:10.1016/j.mejo.2011.09.002
摘要
The paper presents the design and test results of a novel circuit with dual band-pass filter for simultaneous recording of Local Filed Potentials and spikes from individual neurons. Single readout channel is built of an input AC-coupling circuit with the cut-off frequency below 0.1 Hz, a low noise preamplifier and two parallel band-pass filters with nominal bandwidths from 2 Hz to 100 Hz and from 200 Hz to 2 kHz. The design is optimized for low noise, high dynamic range, and low power dissipation. The circuit has been designed and manufactured in a 0.35 μm CMOS process as a multichannel chip comprising also an analog multiplexer for serialization of the analog output signals.
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