By Amir Zjajo
This booklet offers an entire assessment of important layout demanding situations in appreciate to circuit miniaturization and tool relief of the neural recording method, besides circuit topologies, structure tendencies, and (post-silicon) circuit optimization algorithms. The brought novel circuits for sign conditioning, quantization, and category, in addition to process configurations concentrate on optimized power-per-area functionality, from the spatial solution (i.e. variety of channels), possible instant information bandwidth and knowledge caliber to the introduced strength of implantable system.
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Extra info for Brain-Machine Interface: Circuits and Systems
Sample text
The architecture as described above is not limited to two stages. Because the inter-stage sample and hold circuit decouples the individual stages, there is no difference in conversion speed whether one single stage or an arbitrary number of stages follow the first one. 4 [34–55]. 4 Multi-stage pipeline A/D converter architecture nm A=2n2 A D 3 Neural Signal Quantization Circuits 38 amplifier. The conversion mechanism is similar to that of sub-ranging conversion in each stage. Now the amplified residue is sampled by the next S/H, instead of being fed to the following stage.
A. P. Xu, A multi-channel neural-recording amplifier system with 90 dB CMRR employing CMOS-inverter-based OTAs with CMFB through supply rails in 65 nm CMOS, in IEEE International Solid-State Circuits Conference, pp. 206–207, 2015 Chapter 3 Neural Signal Quantization Circuits Abstract Integrated neural implant interface with the brain using biocompatible electrodes provides high yield cell recordings, large channel counts, and access to spike data and/or field potentials with high signal-to-noise ratio.
Parramon, E. Sanchez-Sinencio, A micropower low-noise neural recording frontend circuit for epileptic seizure detection. IEEE J. F. Bahmani, E. Sánchez-Sinencio, A highly linear pseudo-differential transconductance, in Proceedings of IEEE European Solid-State Circuits Conference, 2004, pp. K. Arfin, Low power circuits and systems for wireless neural stimulation. G. Nicollini, P. Confalonieri, D. Senderowicz, A fully differential sample-and-hold circuit for high-speed applications. IEEE J. K.