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Convergence Issues in Resonant Tunneling Diode Circuit Simulation
Calcutta, India January 04-January 07
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICVD.2000.81265713th International Conference on VLSI ...
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Mayukh Bhattacharya, University of Michigan
Pinaki Mazumder, University of Michigan
Due to its status as the fastest switching semiconductor device and its bistable nature, the resonant tunneling diode (RTD) is considered to be one of the most promising devices for future-generation high-performance VLSI systems. However, popular circuit simulators, such as SPICE, can encounter direct current (DC) and transient convergence problems while simulating RTD-based circuits because of the negative differential resistance (NDR) in the device's current-voltage characteristics. In this paper, we study the nature of these convergence problems and provide several solution techniques that can be easily incorporated into SPICE-like circuit simulators.
Index Terms:
circuit simulation, resonant tunneling diode, SPICE, convergence, Newton-Raphson, negative differential resistance
Citation:
Mayukh Bhattacharya, Pinaki Mazumder, "Convergence Issues in Resonant Tunneling Diode Circuit Simulation," vlsid, pp.499, 13th International Conference on VLSI Design, 2000
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