Abstract

HELENA, a new software for device optimization and circuit design, is presented. This software provides for any kind of HEMT (high electron mobility transistor) the DC, AC, and noise properties in the centimeter and millimeter wave range. It is very fast, easy to use, and needs only a personal computer. This quasi-2-D modeling approach takes into account many physical phenomena that occur in submicrometer-gate FETs. A complete analysis of a device was carried out, and results are in a good agreement with measurements. >

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