NDLI: An Integrated System for Multichannel Neuronal Recording with Spike / LFP Separation and Digital Output

Content Provider	IEEE Xplore Digital Library
Author	Perelman, Y. Ginosar, R.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Israel Inst. of Technol., Haifa (Perelman, Y.; Ginosar, R.)
Abstract	A mixed-signal front-end processor for multichannel neuronal recording is described. It receives twelve differential-input channels of implanted recording electrodes. A programmable cutoff HPF blocks DC and low frequency input drift. The signals are band-split at about 200 Hz to low frequency local field potential (LFP) and high-frequency spike data (SPK), which is band limited by a programmable-cutoff LPF. Amplifier offsets are compensated by calibration DACs. The SPK and LFP channels provide variable amplification rates of up to 5000 and 500, respectively. The analog signals are converted into digital form, and streamed out over a serial digital bus. A threshold filter supresses inactive portions of the signal and emits only spike segments. A prototype has been fabricated on a 0.35/mum CMOS process and tested successfully
Starting Page	377
Ending Page	380
File Size	1934920
Page Count	4
File Format	PDF
ISBN	0780387104
DOI	10.1109/CNE.2005.1419637
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Cutoff frequency Communication system control Very large scale integration CMOS process Digital recording Registers Calibration Sorting Radio access networks
Content Type	Text
Resource Type	Article

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