Spiking analog neuron circuit design, analysis, and simulation

Robert H. Fujii, R. Nemoto, N. Satou
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引用次数: 3

Abstract

A transistor-level analog circuit design of a spiking neuron is proposed. The circuit was simulated using using BSIM3 0.8 /spl mu/m geometry MOS transistor parameters provided by MOSIS. Most of the circuits work in the MOS sub-threshold region of operation to achieve very low power consumption. Supply voltage was set at 2.8 V As examples of neural networks, feed-forward and feed-back neural networks capable of recognizing black and white patterns were simulated using a transistor level circuit simulator Static power dissipation of the proposed neuron was estimated to be approximately 180 pW for the dendrite and 56 pW for the soma. In the dynamic mode, energy consumption was estimated to be 5.1 pJ (dendrite) and 1.2 pJ (soma) per activation. An analog HDL simulator was also used to simulate neural network behavior for the larger neural network examples.
脉冲模拟神经元电路的设计,分析和仿真
提出了一种脉冲神经元的晶体管级模拟电路设计。利用MOSIS提供的BSIM3 0.8 /spl mu/m几何MOS晶体管参数对电路进行仿真。大多数电路工作在MOS亚阈值区域,以实现非常低的功耗。作为神经网络的例子,利用晶体管级电路模拟器模拟了能够识别黑白模式的前馈和反馈神经网络,所提出的神经元的静态功耗估计约为180 pW的树突和56 pW的胞体。在动态模式下,每次激活的能量消耗估计为5.1 pJ(树突)和1.2 pJ(躯体)。模拟HDL模拟器也被用来模拟神经网络的行为为更大的神经网络的例子。
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