A smart 16-channel front-end system for extracelluar neural recording

An implantable 16-channel neural recording front-end system is presented for acute neural recording. This system consists of implantable silicon-based microelectrode arrays, neural amplifiers and a microprocessor. The neural amplifiers, which have been fabricated in 0.35 μm 2P4M CMOS process, have a...

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Main Authors: Yun Gui, Xu Zhang, Weihua Pei, Beiju Huang, Hongda Chen
Format: Conference Proceeding
Language:English
Subjects:
Cutoff frequency
Frequency control
Gain
Microelectrodes
Microprocessors
Voltage measurement
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creator Yun Gui
Xu Zhang
Weihua Pei
Beiju Huang
Hongda Chen
description An implantable 16-channel neural recording front-end system is presented for acute neural recording. This system consists of implantable silicon-based microelectrode arrays, neural amplifiers and a microprocessor. The neural amplifiers, which have been fabricated in 0.35 μm 2P4M CMOS process, have a mid-band gain of 66.5 dB, a high cut-off frequency of 5.7 kHz. Each recording channel has a tunable low cut-off frequency independently which is controlled by a microprocessor to fit different kinds of neural signals. The system has been tested and verified in-vitro experiment.
doi_str_mv 10.1109/PRIMEASIA.2010.5604877
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ispartof 2010 Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics (PrimeAsia), 2010, p.408-411
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source IEEE Xplore All Conference Series
subjects Cutoff frequency
Frequency control
Gain
Microelectrodes
Microprocessors
Voltage measurement
title A smart 16-channel front-end system for extracelluar neural recording
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