2YIN Chang -song, LI Xiao -jun, Silicon Photodiode with Very Small Sensitive Area[J]. Semiconductor Photonics and Technology, 1996, 2(4) :289 - 292.
3TANK D W, HOPFIELD J J. Simple Neural Optimization Networks: A/D Converter, Signal Decision Circuits and a Linear Programming Circuit[J]. IEEE Trans CAS,1986, 33(5): 533-541.
