Silicon-Neuron Design: A Dynamical Systems Approach.

Silicon-Neuron Design: A Dynamical Systems Approach.
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DOI:
10.1109/tcsi.2010.2089556
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发表时间:
2011
期刊:
IEEE transactions on circuits and systems. I, Regular papers : a publication of the IEEE Circuits and Systems Society
影响因子:
--
通讯作者:
Boahen K
Boahen K
中科院分区:
其他
文献类型:
--
作者:
Arthur JV;Boahen K

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We present an approach to design spiking silicon neurons based on dynamical systems theory. Dynamical systems theory aids in choosing the appropriate level of abstraction, prescribing a neuron model with the desired dynamics while maintaining simplicity. Further, we provide a procedure to transform the prescribed equations into subthreshold current-mode circuits. We present a circuit design example, a positive-feedback integrate-and-fire neuron, fabricated in 0.25 μm CMOS. We analyze and characterize the circuit, and demonstrate that it can be configured to exhibit desired behaviors, including spike-frequency adaptation and two forms of bursting.