卷 2, 编号 3 (2014)
- 年: 2014
- ##issue.datePublished##: 03.02.2014
- 文章: 10
- URL: https://ogarev-online.ru/2311-2468/issue/view/19138
完整期次
Test pulse generator for diagnostics of power semiconductors in low conductivity state
摘要
The article considers the generator of test voltage pulses. The generator has been designed for devices used to test power semiconductors in a low conductivity state.


Specialized interfaces of smart home systems
摘要
The article provides the general characteristics of specialized interfaces used for smart home systems designing. The authors consider the methods of studying controllers, sensors and actuators that operate on the interfaces in question.


History of electric vehicles' origin and development
摘要
The article considers the emergence and further development of vehicles that run on an electric motor. In this conncetion the authors present a review of electric energy potential sources.


Allocation of variables' addresses in modbus protocoal data field
摘要
The article discusses an example of programming logic controller OWEN PLC100 environment CoDeSys and operator panel OWEN ИП320 using the "Configurator ИП320" explains principles of network communication between the devices via ModBus.


Analyzer of single-phase electrical circuit parameters
摘要
The article considers the construction of a device for measuring AC single-phase major parameters: effective values of voltage and current; power frequency; active, reactive, total power; power factor. The key parts of the developed device are the following: current and voltage sensors, chip precision meter ADE7753, microcontroller ATtiny2313, and liquid crystal display MT-20S4M.


Realization of deep level transient spectroscopy method in semiconductors on DLS-83D measuring device
摘要
The article describes the deep level transient spectroscopy method. Particularly, it presents the measurement results obtained by the conventional DLTS method on gold doped silicon diodes by using of DLS-83D measuring device.


Rapid thermal oxidation of silicon carbide
摘要
The article considers the peculiarities of the process of silicon carbide thermal oxidation. Particularly, the authors focus on the low growth rate of oxide film on the surface of silicon carbide. In this connection the methods of rapid oxidation of silicon carbide plates are considered.


A research of solar battery step-up converter parameters
摘要
The article presents the results of solar battery step-up converter parameters research. An experimental layout of the converter has been designed and measured, using SPV1040 application circuit. Thus the converter operates correctly until the solar panel voltage is above 2 V, and the using of two 5 mW solar batteries allows charging of three Ni-mH battery with a voltage 3.7V.


High-performance drivers for leds
摘要
The article provides a manual of drivers for compact LEDs. Particularly, the author considers LEDs' general technical specifications as well as drivers' electrical characteristics. The article also includes electrical circuit schemes and a calculation of the circuit elements of LED drivers based on IC TPS92010.


General design features of industrial computers
摘要
The article considers the general design features of industrial computers. Particularly, a classification of industrial computers by the number of their units and the principles of their association is presented.

