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Victor Yezhov Trends in the development of electronic technologies. Immediate prospects
The article tells about promising innovative technologies that can provide a breakthrough in the electronics industry in the coming years and provide a competitive advantage in the post-crisis time.
10
Sensors
Valery Nebogatov, Vladimir Gutin Sensors Baumer Electric AG and Baumer Hubner GmbH
The purpose of this publication is to continue the description of the range of capabilities of modern industrial sensors, which began in Nos. 4, 8 in 2008, and, thus, to help specialists in choosing a solution to a specific technological problem.
16
Sensors
A. Grishin High temperature platinum resistance thermometers
Temperature sensors are among the most common types of sensors. The most common sensors based on thermistors and semiconductor junctions have a limited temperature range not exceeding 200°C. The article discusses sensors for measurements in a significantly wider temperature range.
19
Sensors
Anatoly Yudin New accelerometers from STMicroelectronics
The article discusses the main characteristics and features of new motion acceleration sensors (accelerometers) from STMicroelectronics, as well as possible areas of their application.
22
Identification systems
Nikolay Kolsky Smart cards in embedded systems
This article describes modern smart card security systems.
28
Identification systems
Alexander Samonin RFID access control systems with increased security level
The article describes a method for building a secure access control system using RFID equipment of the Mifare standard.
34
Optoelectronics
Alexey Polishchuk, Roman Marshakin PhlatLight - a new technology for the production of ultra-high power LEDs from the LUMINUS company
LUMINUS (http://www.luminus.com) stands out among the global manufacturers of LED products, whose products are intended for use in compact lighting devices with high radiation power. The article provides a brief overview of the company's products.
36
Interface IC
Thomas Kugelstadt Reducing the output delay of modern RS-485 transceivers at bus voltages above VCC
High-speed data lines using the RS-485 interface usually require fast bus access, that is, transmitted data can appear on the A and B lines of the bus almost instantly after activating the interface driver through the driver enable (DE) pin of the transmitter. Many modern circuits that use sophisticated output stages to minimize reverse leakage current can cause long delays when the bus voltage exceeds the supply voltage. At the same time, earlier transceivers create only a small delay between the output data and the enable signal. This article describes the problems caused by a long delay in the output signal, their root causes, and solutions to these problems.
38
FPGA and BMK
Valery Zotov Practical course of end-to-end design of digital devices based on FPGAs from Xilinx. Part 22
The twenty-second part of the course introduces the procedure for generating programming files for configuration flash memory chips with a parallel interface, which are produced by various manufacturers. In the same part, the process of preparing "firmware" files for configuration EPROMs with a serial SPI interface is considered.
40
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 features of the operating modes of the analog-to-digital converter of the TMS320F2812 processor, provides its accuracy characteristics and recommendations for choosing ways to service interrupt requests to ensure maximum processor performance.
46
Microcontrollers
Bogdan Sidorenko Atmel microcontrollers of the AVR, AVR32 and ARM families
In 2008, Rainbow Technologies held a seminar on modern microcontrollers from Atmel. The topic of the seminar is the presentation of microcontrollers based on the AVR, AVR32, ARM7 and ARM9 architectures.
52
Microcontrollers
A sober look at microcontrollers
According to Wolfgang Katterman and Alexey Glubokov from Renesas Technology Europe, considering the processor core as the only criterion when choosing a microcontroller is an irrational approach.
60
PCB design
Igor Baranovsky Modern design and technology of printed circuit boards: a question-answer. Finishing coatings of boards. Application features
Research Institute of Computer Technologies continues to publish a series of articles devoted to the design of printed circuit boards (PCBs) and modern technologies for their production. The first article devoted to connecting component leads to metallization areas was published in the previous issue (No. 3, 2009).
62
Audio and video equipment
Artyom Kozlov Implementation of a modern video recorder with new Techwell microcircuits
Modern video surveillance systems provide not only the standard functions of playback and recording of the video stream from the camera. They allow you to automatically solve many tasks without human intervention, ranging from simple motion detection in the observation area to high-precision counting of passing cars or people who have passed.
66
Audio and video equipment
Vladimir Karabanov Adaptive Image Correction ICs from ROHM Semiconductor
The Japanese company ROHM Semiconductor has developed an original technology for improving the quality of photo and video files in real time, which is based on the principle of adaptive image enhancement (AIE - Adaptive Image Enhancement). The company's family of microcircuits with the AIE function implemented in them allows to improve the quality of photo and video images received by cameras and security cameras in places with insufficient illumination (garages, underground parking lots, warehouses, storages, etc.). At the same time, the image is improved selectively, the microcircuit corrects only the most darkened parts of the picture, optimizing the brightness, color and contrast indicators without increasing the overall brightness of the picture.
72
Digital signal processing
Rob Reader, Corey Petersen AD9271 Revolutionary Handheld Ultrasound System From Analog Devices
Currently, medical ultrasound systems are among the most complex among the signal processing devices of widespread use. Analogous to radars or sonars, they operate at speeds orders of magnitude lower than radars, but faster than sonars. Beginning with portable ultrasound systems, the medical industry has applied this real-time technique for both early disease detection and general diagnosis. Over time, ultrasound systems have become more compact, and some have even shrunk to the size of a handheld computer. In the not too distant future, ultrasound systems will become specialized handheld personal computers (PDAs), although not as common as the physician's stethoscope. Some of the essential components of compactness will be discussed here.
74
Digital signal processing
Digital Audio Processing FAQ
78
Power electronics
Andrey Kolpakov Digital data transmission in IGBT drivers
To control high-power converter systems using IGBT modules with an operating voltage of 1200 V and above, isolated transmission of control pulses and status signals is required. This task is assigned to the driver, which is one of the most critical components of modern converters. SEMIKRON's latest development, the powerful SKYPER 52 gate control circuit, transmits control pulses and sensor signals using the principle of digital isolated data transmission. Due to this, the quality of the transmission carried out via the differential channel does not depend on the parameters of the circuit elements and the operating temperature.
82
Telecommunications
Alexander Yorkin Mobile satellite communications
More than half a century has passed since the launch of the first artificial Earth satellite. The use of satellites to provide communications was one of the challenges facing the space industry. Since then, this area has developed into commercial communications networks providing global communications anywhere in the world. The review examines the history of development, the current state of equipment for end users and the prospects for the development of mobile satellite communication systems.
86
Exhibitions
EXHIBITIONS
94
Business card CHIP NEWS Ukraine
BUSINESS CARDS
101
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