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ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009
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SELF-EXCITED OSCILLATIONS IN ABRUPT p - n JUNCTIONS WITH A FIXED REVERSE BIAS
ABSTRAKT
Numerical methods are used to solve the drift-diffusion model equations for reverse-based p - n junctions. A regime of self-excited oscillations is analyzed for an abrupt junction with a fixed reverse bias. As has been shown, the equations of the drift-diffusion model of the p - n junctions under analysis in fact make up a mathematical model of a self-oscillating system. The generation mechanism of self-excited excitations has been investigated. The factors influencing the oscillation frequency, amplitude and spectrum have been established and frequency ranges determined for reverse-biased p - n junctions made of various materials.
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