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In this paper, we presented a new analytical model for the transconductance and output conductance of submicron gate-length GaAs MESFET transistors. After an analytical study of the current voltage characteristics, the transconductance and drain conductance mathematical expressions are determined as a function of the drain and gate voltages in different operations regimes (linear, non-linear and saturated)...
In this paper, improved architectures are proposed for implementation of S-Box and inverse S-Box needed in the Advanced encryption standard (AES) algorithm. These use combinational logic only for implementing SubByte (S-box) and InvSubByte (Inverse S-box). The composite field arithmetic used for implementing S-Box in lower-order Galois field (GF) investigated by several authors recently is used as...
In this paper, we present a self-consistent and 3D quantum simulator for Si-nanowire transistors based on the Wigner function model and multidimensional Schrodinger-Poisson algorithm. To achieve a sufficient numerical accuracy for calculating subthreshold current, we introduced a third-order differencing scheme for discretizing the drift term in the Wigner transport equation. By comparing with semiclassical...
A Triangular and trapezoidal transconductor circuits with a Programmable slope (keeping constant height or constant width and making the other variable) and also horizontal position are presented. Triangular and trapezoidal function generators have many applications like high speed folding analog-to-digital convertors, a piecewise-linear approximation and also used in fuzzy controller. PSPICE simulation...
We here present a method that combines frequency-domain Fourier series expansion and space-domain polynomial expansion of the physical quantities inside the semiconductor, for an efficient numerical modelling of high-frequency active devices, based on the solution of the physical transport equations in the semiconductor. The frequency- and space-domain expansions drastically reduce the number of time...
From the complete incidence matrix of any given graph, We can find out whether there is Hamiltonian Path in the graph or not. If the path exists, we can find it by the complete incidence matrix.
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