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Like any branch of human activity, electronics has gone through several stages in its development. But, perhaps, in no other industry, these stages were not so much different and did not so radically change its appearance and role in society. And, most likely, the point here is in the inexorable law of the transition from quantity to quality, when the invention of each new electronic component (EC) led to its mass replication and distribution throughout the planet. Electronic technology (ET) created in this case penetrated the most unexpected spheres of human activity and radically changed them or even created new ones.
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ENERGY SAVING&ENERGY EFFICIENCY
Andrey Kolpakov Energy saving and energy efficiency
Overcoming any of the global problems of modern civilization, we inevitably face the need to resolve issues related to energy. The entire history of civilization is, in fact, the history of the development of energy. Our planet provides us with almost inexhaustible sources of renewable energy: wind, sun, tidal currents. The resources of wind energy alone are many times greater than all the reserves of fossil biogenic fuels accumulated over millions of years. We live at the bottom of an ocean of energy - as long as the Earth and its gaseous envelope, heated by the sun, exist, air masses will move. Therefore, in parallel with the preservation of traditional energy resources, it is necessary to search for new energy sources. It is known that only the replacement of industrial drives with frequency-controlled drives can significantly reduce power consumption and save a huge amount of energy. The foregoing refers to the use of VFD in the broadest sense of the word, whether it is a general industrial drive, electric transport, elevators, ventilation systems, etc.
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ENERGY SAVING&ENERGY EFFICIENCY
Anatoly Savelyev, Peter Goldstras Useful functions of the BR6000 controller
In the practice of developing controlled reactive power compensation units (RPC), there are often cases when the developer needs to pair two controllers. This article describes two examples of such use of EPCOS AG BR6000 controllers (version 4.0 and later).
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ENERGY SAVING&ENERGY EFFICIENCY
Henry Sino Measuring the current in the positive supply lead: a difference amplifier or a current-measuring amplifier?
The problem of measuring the current in the positive wire arises in automotive, communications, household and industrial devices. Integrated high-voltage difference amplifiers and current-sensing amplifiers on the market successfully solve this problem. However, each of them has its own characteristics. This article discusses in detail the characteristics of these devices and gives recommendations to the developer on choosing the most suitable amplifier for a specific task.
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ENERGY SAVING&ENERGY EFFICIENCY
Compact NSX circuit breakers - a combination of the latest technology and advanced features
Schneider Electric has launched a new progressive series of molded case circuit breakers - Compact NSX, which embodies a new level of quality and capability combined with a small size. In its development, advanced technologies and the latest technical solutions were used. These switches have a wide range of measurement and communication capabilities make them an irreplaceable product, both now and in the future.
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ENERGY SAVING&ENERGY EFFICIENCY
James Aliberti Limitation of inrush currents in PFC devices
The adoption in Europe of requirements for power factor correction (PFC) for electrical loads equal to or greater than 80 W is very important for environmental protection and its rational use. This requirement applies to many consumer goods, including large household electrical appliances. Many of the household appliances, such as air conditioners, refrigerators, washers and dryers, have a complex load due to the presence of an inverter for the electric drive. In general, complex impedance loads have a low power factor. Mandatory power factor correction of these devices allows for more efficient use of transmission lines and energy savings while reducing energy costs, as well as reducing the amount of carbon emissions from fuel combustion. Nowadays, around the world, many government regulators have authorized similar requirements for PFC in similar applications.
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Microcontrollers
Vitaly Shevchenko Review of International Rectifier microcontrollers of the IRMCF3XX family
Today, when there is an increase in prices for this type of energy resources such as electricity, domestic manufacturers of household appliances expect an increase in demand for products that, at the same price, will offer tangible energy savings. The article will give a description of IRMCF3xx series microcontrollers from IR, application programs and examples of their use in the world.
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Microcontrollers
Anatoly Shamraev Architecture and programming fundamentals of DSP family C28x from Texas Instruments. Built-in A/D converter of TMS320F2812 processor
The article discusses the device of one of the most important built-in peripheral devices for real-time control systems - the analog-to-digital converter of the TMS320F2812 processor. Recommendations for programming and organizing the input of analog signals into a microprocessor system are given.
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Microcontrollers
Mikhail Dmitriev Piccolo - new family of microcontrollers from Texas Instruments
Until recently, the “megahertz race” concerned only computer processors, while in the field of embedded technology there was a clear separation of the areas of application of certain microcircuits, since older and primitive architectures are much simpler and cheaper, although they provide much less convenience for the developer. Therefore, for example, 8-bit controllers have not yet left the scene, although their computer cousins have long been history. However, the development of modern technologies and the development of new technical processes led to the fact that it became possible to produce inexpensive microcircuits based on modern architectures. One of these families is the Piccolo TMS320F2803x/2x from Texas Instruments.
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Communication systems
Eduard Lobach New generation of GPS receivers based on the Atheros chipset
The article provides a brief overview of a GPS solution based on the second generation Atheros AR1511 chipset.
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PCB design
Igor Baranovsky Modern design and technology of printed circuit boards: a question-answer. Guidelines for Connecting Component Leads to Metallized Areas. How to avoid installation problems
Research Institute of Computer Technologies begins publishing a series of articles on the design of printed circuit boards (PCBs) and modern technologies for their production in connection with an increase in the number of questions from the developers and designers of electronic equipment. We see the series of articles in the QUESTION-ANSWER format. Why was this format chosen? We are sure that the material presented in this way will be most useful and interesting to the reader. The first publications will address issues that have taken place in our practice. But the life cycle of articles will depend on your direct involvement. Send your questions to pcb@ictech.com.ua.
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Electromechanical components
Artyom Kozlov Thermal transfer mechanisms from Advanced Printing Systems
APS printers products are well known in Europe, America and Asia. The company's goal is to create highly reliable and innovative thermal printing solutions to meet all the requirements of customers' projects. Therefore, APS manufactures a wide range of thermal transfer mechanisms that are used in a wide variety of applications.
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Optoelectronics
Alexey Alekhin Lighting solutions for the future
The benefits of LED technology clearly prove that they are the future. This is confirmed by the number of solutions developed. The era of LED lighting is coming.
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FPGA and BMK
Valery Zotov Practical course of end-to-end design of digital devices based on FPGAs from Xilinx. Part 21
The twenty-first part of the course provides detailed information on the procedure for generating programming files for configuration ROMs and EPROMs manufactured by Xilinx. The necessary information on the execution of configuration memory programming operations and reverse reading of information from ROM and EPROM is given.
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Power electronics
Sergey Petrov Advanced circuitry of welding inverters
The article provides an overview of publications devoted to the development of the power section of powerful key converters that are used to build welding inverters.
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Engineering practice
Alexander Yorkin, Maxim Alekseev Silicon Laboratories highly stable oscillators that do not use quartz
The main characteristics of miniature generators made using CMOS IC technology are considered. The use of proprietary compensation schemes made it possible to achieve high frequency stability, comparable to the best oscillators based on quartz resonators, as well as to obtain a low level of jitter of the edges of the generated pulses.
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Digital signal processing
Amit Kapadiya How not to be mistaken in choosing a central logic device for a designed product
Finding the perfect balance between energy consumption, size, functionality, flexibility and cost is not an easy task.
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Telecommunications
Leonid Akinshin, Vladimir Bretman, Yuri Yakshin MicroTCA technology as a worthy successor to the CompactPCI system architecture in a wide range of tasks
Originally a telecommunications standard, the MicroTCA specification quickly took over the telecoms and began to spread its influence to other sectors of the computer industry. MicroTCA equipment attracts developers with its low price, compactness, flexibility and ease of use, which has allowed it to go beyond the telecom. Today, the MicroTCA standard is successfully used in the creation of advanced medical technology, industrial, aerospace and defense systems.
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CAD
Alex Toltec Overview of modern CAD systems for FPGAs
Design tools for specialized devices based on FPGAs are considered. A brief description of the features of the most common powerful FPGA CAD systems - OrCAD, Protel, MAX+PLUS II, Foundation, Active-CAD, Synplicity is given. The review is intended to familiarize with the existing software in this area and help in solving the problem of choosing a design package when developing devices on FPGA.
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Exhibitions
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