A two-step MOCVD-hydride method of fabricating GaN layers has been investigated. Some issues of doping the layers by donor and acceptor impurities have been studied. The laws of the influence of technological modes on the growth rate, structure and t...
The distributions of the electrical potential in the bulk of the five-diode vertically integrated photo-receiving structure have been studied. The spectral photosensitivities of five regions of the conductivity different types have been obtained. The...
The results of the experimental investigation of Ni-n-n+-In fabricated from the low-resistance ZnS:AI (n+-area) have been presented. A compensated high-resistance n-layer was obtained by thermodiffusion of Ag. The photodiodes have the injecting ampli...
Some features of the ions movement in a quadrupole field at the amplitude modulation of the source voltage applied to the opposite electrodes of the mass filter have been considered. The influence of amplitude modulation depth and the modulation freq...
A new way of the analog circuit simulation software construction has been described. The time comparison between the traditional SPICE-like simulator and the compilation one has been executed.
The trends in development of the scientific-educational programs in designing microelectronic devices have been considered, and the significance of involving students and PhD. post-graduates in scientific projects has been underlined. The problems of...
Some problems arising in designing digital antenna array (or Smart Antenna) have been considered. The results of study on the influence of DAC (digital-to-analog converter) parameters on the system characteristics have been presented, the modeling fo...
The topology of the chip attenuators and adapt-attenuators of attenuation broad range for surface assembling, based on the distributed resistive structures, has been proposed, and their calculation has been executed. The results of the calculations a...
The advantages of realization of the textures electron-graphic studies (EDST) within the framework of the electron-microscopy studies (EMS), turning it, essentially, to a new method with unique locality, self-descriptiveness and resolution, have been...
The influence of hetero-layer on the elastic constants and surface tension in nanoelectric-mechanical systems has been considered. The quantitative comparison of these effects on an example of a silicon resonator has been performed. It has been shown...
A measurement board based on the FPGA technology, that allows the highly accurate real-time processing of hydro-acoustic navigational and control signals, has been designed. The results of the experiments in a real-life environment have been presente...
It has been found that while anodizing silicon of p-type in 1.5 M H3PO4 solution in ethylene glycol with addition of 1 M H2O at constant current density 5mA/cm2, the quantity of the introduced phosphor into anode oxide films (AOF) is proportional to ...
A four-parameter static mathematical model of a field-effect transistor, continuous with all its derivatives, has been proposed. The specific feature of the model is the application of physical parameters effectively determined by the least-squares m...
The principles of constructing the goniometric tracking solar energy installation. consisting of the antenna system, have been presented. The goniometric sensor measures a spatial error between the axis and the direction at the object (the Sun). The ...
A new circuit of the Gaussian pulse formation, which allows obtaining a signal of not less than 200 ps duration, has been present
The problems of identification of the dynamic objects weight function and verification of the algorithms created for solving the problem have been considered. The program tools and modeling results have been described.
The peculiarities of the structure and the specifics of using the object-oriented expert system «MALEX» have been considered. The main distinctions of these systems from the standard expert ones have been presented.
The analysis of the exhibition «Productronika - 2007» exposition, that is one of the leading exhibitions of the technological equipment for production of electronic technology items, has been performed.