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In this paper three models of CoolMOSC3 transistors worked out by Infineon Technologies, dedicated for SPICE, are presented and investigated. These models are verified experimentally both for dc and ac device operating conditions. The advantages and drawbacks of the investigated models are shown and discussed. The device operating conditions, at which the models are of acceptable accuracy, are identified...
In this paper an electrothermal model of the power LED dedicated for SPICE is proposed. In this model electrical, thermal and optical properties of the considered device are taken into account. The description of the model and some results of the experimental verification of this model are presented for two types of power LEDS: LXHL‐BW03 and LXHL‐LW3C produced by Lumileds. A good agreement between...
A new electrothermal compact model of the current mode pulse width modulation controller—UCC3800—dedicated for SPICE is proposed in this paper. The form of this model is presented and described in detail. The results of the experimental verification of the model are also presented for the device operating in the test circuit. It is shown that self‐heating influences essentially the characteristics...
Comparative analysis of different, new gas sensing materials in surface acoustic wave chemical sensors is presented. Different gas sensing materials as polyaniline (PANI), Teflon AF 2400, polyisobutylene (PIB), polyepichlorohydrin (PECH) are considered. They are chosen according to the type of gas to be detected and the desired accuracy: Teflon AF 2400 thin film for the detection of CO2, PANI nanocomposites...
The paper deals with the problem of modeling and analysis in Simulation Program with Integrated Circuit Emphasis of thermal effects influence on properties of metal–semiconductor field‐effect transistor made of different semiconductor materials, that is, gallium arsenide and silicon carbide. An electrothermal model of the investigated transistors was formulated and experimentally verified. The proper...
A 2D transmission line matrix model is used to study thermal transfer in living tissues exposed to laser energy. Damage size because of thermal coagulation in thermal treatment of benign prostate hyperplasia is determined quantitatively. Results show a quasilinear dependency of blood perfusion on temperature at the beginning of coagulation. Immediately thereafter, blood perfusion decreases considerably...
This paper presents an improved model for an automotive electronic throttle inspired on the behaviour observed in real‐time experiments. Due to a number of issues, particularly the return‐spring, the performance of the throttle valve depends on whether it is opening or closing. This asymmetric behaviour was taken into account to design a mathematical model of the throttle body and to derive a nonlinear...
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