СХЕМОТЕХНИЧЕСКОЕ И ЭЛЕКТРОДИНАМИЧЕСКОЕ МОДЕЛИРОВАНИЕ КОЛЕБАТЕЛЬНОГО ПРОЦЕССА ПЕРЕРАСПРЕДЕЛЕНИЯ ЭНЕРГИИ В БИПОЛЯРНОМ ТРАНЗИСТОРЕ

Abstract

The advantage of the promising method of passive radiosensor technical diagnostics(PRTD) over the currently existing methods for determining the technical condition (vibrometry,thermal control, JTAG-testing, optical control) are: no inertia, no processor time, no galvaniccontact with the object of study. In modern scientific literature, almost no attention is paid to numericalmodels of electronic devices, including those based on bipolar transistors (BPT), whichdescribe the process of oscillatory redistribution of energy and radiation used in PRTD. Therefore,the purpose of this study is to develop the PRTD method through the development, analysisand comparison of circuit and electrodynamic models of oscillatory energy redistribution in theBPT. The paper presents and analyzes simplified circuit and electrodynamic models of oscillatoryredistribution of energy in the BPT. The parameters of the models are calculated signal radioprofiles (SRP) are obtained for the electrical component of electromagnetic radiation created bythe radio-electronic unit itself, built on the BPT. Methods for adjusting the reference parametersdepending on the actual conditions for switching on the BPT are shown. It has been establishedthat the cross-correlation function of the SRP obtained as a result of circuit and electrodynamicmodeling is not lower than 0.93, which indicates a high similarity of the presented models. Inpractice, the use of the developed models in the analysis of SRP obtained by recording the intrinsicemissions of radio engineering components of electronic devices will allow us to determine theoperating mode of the BPT and its speed with a sufficiently high accuracy. This analysis can beused in the PRTD, indicating a malfunction of the signal circuits, or degradation of the parametersof the element itself in the early stages