A smart 16-channel front-end system for extracelluar neural recording
Biomedical Circuits and Systems Conference（2010）
摘要
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-signal amplifiers and a microprocessor. The neural-signal amplifiers, which have been fabricated by a 0.35-μm CMOS process, have a mid-band gain of 66.5 dB, a high cut-off frequency at 9.6 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.
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关键词
low noise,smart 16-channel front-end system,frequency 9.6 khz,neural recording system,microelectrode arrays,microprocessor chips,neurophysiology,microprocessor,prosthetics,neural signal amplifiers,size 0.35 mum,neural signal amplifier,electrode array,silicon,extracelluar neural recording,cmos digital integrated circuits,microelectrodes,implant,elemental semiconductors,tunable low cut-off frequency,cmos,cutoff frequency,gain,microelectrode array,front end,preamplifiers
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