Lightweight Composite Ballistic Skirts & Fenders
Department of Defense
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Small Business Information
SIGNATURE RESEARCH, INC.
P.O. Box 346, Calumet, MI, 49913
Socially and Economically Disadvantaged:
AbstractNot Available This proposal describes the development of computer programs for circuit simulation based on quantum effect devices. Transient quantum effects are obtained through solutions to the time dependent Wigner equation from which device parameters will be extracted. The development of small signal and large signal applications will be simulated with input and output obtained through a newly developed Windows Graphical User Interface. The long-term goal is the development of Windows and Unix based software packages enabling engineering design of advanced devices and circuits to be realized. The device emphasized in this study is the Resonant Tunneling Diode, which has developed to the point where it is being considered for high speed digital circuits operating at 100 GHz, far beyond the upper frequency limits of silicon CMOS technology (i.e. 1 GHz). The emphasis in this study is the GUI development, incorporation of transient electron and hole transport, device hysterisis, small and large signal circuit elements, output power calculations, contributions from spatially dependent effective mass, the role of dissipation, contacts, coupled devices, and demonstration of the use of the simulation in a 100GHz logic circuit.
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