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Integrated Circuit Implementation and Analysis of a Pulse-type Hodgkin-Huxley Neuron Model  

Kwon, Bo-Min (Department of Nano Eng., Inje University)
Jung, Jin-Woo (Department of Nano Eng., Inje University)
Park, Ju-Hong (Department of Nano Eng., Inje University)
Lee, Je-Won (Department of Nano Eng., Inje University)
Park, Yong-Su (Department of Electronics, Chung Cheong University)
Song, Han-Jung (Department of Nano Eng., Inje University)
Publication Information
전자공학회논문지 IE / v.46, no.1, 2009 , pp. 16-22 More about this Journal
Abstract
Integrated circuit of a pulse-type neuron for Hodgkin-Huxley model is implemented in a $0.5{\mu}m$ 1 poly 2 metal CMOS technology. Proposed pulse-type neuron model consist of input stage with summing function and pulse generating block which make neuron pulse above threshold value. Pulse generating circuit consist of several transistors, capacitors and negative resistor with a charge supply function. SPICE simulation results show that neuron pulse is generated above threshold current of 70 nA. Measurements of the fabricated pulse type neuron chip in condition of 5 V power supply are shown and compared with the simulated results.
Keywords
Neuron; Pulse; SPICE; Hodgkin-Huxley model; CMOS;
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