Characterization of Short-Pulse Generation Using Traveling-Wave Field-Effect Transistors

概要

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Pulse propagation on traveling-wave field-effect transistors (TWFETs) is investigated for the generation of short pulses. In a properly designed TWFET, when a decreasing voltage pulse is applied to the gate line and an increasing one is simultaneously applied to the drain line, the pulses experience great shortening. Therefore, a TWFET operates as a short-pulse generator. In this paper, how the width of the finally obtained pulse depends on the device parameters, including the inductive and capacitive coupling coefficients between the gate and drain lines is clarified, and the design criteria of a TWFET as a pulse generator are described, together with several results of numerical calculations for examining its potential.
2011-01-25