ISSTT Proceedings

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Thermionic Emission Current in a Single Barrier Varactor

Authors:
Hans Hjelmgren, Jack East, Erik Kollberg
Abstract:
From I-V measurements on Single Barrier Varactors (SBV) at different temperatures we concluded that thermionic emission across the bather of the actual device is mainly due to transport through the X band. The same structure was also modelled with a one-dimensional drift-diffusion model, including a "boundary condition" for thermionic emission across the heterojunction interface. By including thermionic field emission through the top of the triangular barrier of a biased diode and the effect of a non-abrupt interface at the heterojunction, we obtained good agreement between the modelled and measured I-V characteristics.
Categories:
Varactors
Year:
1992
Session:
2
Full-text:
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Page Number(s):
110-114