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Proceedings Paper

High-power transit-time oscillator: onset of oscillation and saturation
Author(s): John W. Luginsland; Moe Joseph Arman; Yue Ying Lau
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Paper Abstract

A simple circuit model is used to investigate the transit time oscillator driven by a high current diode. A novel condition for the onset of oscillation is derived in terms of the diode impedance. The initial growth is calculated, and the saturation level is numerically computed using the 1D model. The 1D results are in excellent agreement with a full scale 2D particle-in-cell simulation. The success of the much simpler 1D model allows a close examination of the roles played by the convection current and by the displacement current, as well as the modification in the transit time due to the intense space charge within the gap.

Paper Details

Date Published: 3 October 1997
PDF: 11 pages
Proc. SPIE 3158, Intense Microwave Pulses V, (3 October 1997); doi: 10.1117/12.279430
Show Author Affiliations
John W. Luginsland, Air Force Phillips Lab. and National Research Council (United States)
Moe Joseph Arman, Air Force Phillips Lab. (United States)
Yue Ying Lau, Air Force Phillips Lab. and Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 3158:
Intense Microwave Pulses V
Howard E. Brandt, Editor(s)

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