Numerical simulation of the parameters of an energy-efficient low-noise transistor for use in the amplification path of a miniature radiothermograph

The high current consumption of the amplifying cascades in the miniature case of the radiothermograph with the microcircuits existing today leads to a significant increase in the temperature inside the case with the reference noise source located there and subsequent heating of the surrounding tissues with distortion of the picture of the real field of internal temperatures of the biobject. The existing problem can be solved by creating new active elements of specialized monolithic microwave chips – low-noise transistors, for which the requirements of high energy efficiency, primarily low heat dissipation into the surrounding space, low noise level and sufficient gain will be taken into account when designing heterostructures. The paper presents the results of numerical simulation of a low-noise transistor with low power consumption for use as part of monolithic integrated circuits of an energy-efficient low-noise amplifier for use in the amplifying path of a miniature radiothermograph.