ISSTT Proceedings

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Monte Carlo Simulation of Schottky Barrier Mixers and Varactors

Authors:
J. East
Abstract:
Current saturation effects can be an important limitation on the performance of Schottky barrier mixers and multipliers. This effect was first discussed at this conference in 1991 with additional results in 1993 and 1994. These earlier results are all based on a static or equilibrium description of the device. This paper will describe a large signal Monte Carlo simulation of Schottky barrier mixers and varactors. The simulation is a time dependent particle field Monte Carlo simulation with ohmic and Schottky barrier boundary conditions included. The simulation will be used to point out some important time constants in GaAs and to describe the effects of current saturation due to valley transfer in GaAs varactors and inductive delay and current saturation effects in very high frequency mixers.
Categories:
Varactors
Year:
1995
Session:
9
Full-text:
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Page Number(s):
442-457