| NEWS | |
News from the world of electronic components
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| CONTRACT PRODUCTION | |
Quality, quality and quality !!!
Since the existence of the production alliance of companies DP "Ekran" OJSC "CheZaRa", LLC "Research Institute of Computer Technologies" and the group of companies "GRAND Electronic" (see "CHIP NEWS Ukraine, No. 10, 2007, pp. 10-11) passed 9 months. You will learn from this material how things are going with companies that have decided, in our opinion, to take an unprecedented step of such a merger on the scale of the Ukrainian economy to resolve issues of contract manufacturing of electronics. | 14 |
| CONTRACT MANUFACTURING | |
Maria Glazkova
Contract manufacturing on our own equipment
For many years the company "VIACOM" has been offering services of contract manufacturing of electronics, continuously improving, modernizing and expanding its production and intellectual base. | 16 |
| CONTRACT MANUFACTURING | |
Albert Lin
Your products are "Made in Taiwan"
The President of Pacific Microelectronics explains why more and more Ukrainian companies are resorting to contract manufacturing services in Asia. | 20 |
| CONTRACT PRODUCTION | |
Irina Balabanova
Contract manufacturing of SEA Electronics LLC is another competitive advantage for our customers
Contract manufacturing is an opportunity to shift most of the organizational and technical problems onto others' shoulders, to save time and money.
The SEA Electronics company, meeting its customers halfway, today not only offers services for completing with electronic components, but also produces contract manufacturing of electronic devices.
In this article, we will show that our strengths can be your next competitive advantage. | 22 |
| Electronics manufacturing: equipment and technologies | |
Andrey Deryugin
Assembléon presents its partner in Ukraine
Official Representative Office of Assembleon LLC "ICC Ou E.M.T." (ICCO EMT) offers a full range of equipment and service to its customers in Ukraine. | 26 |
| Electronics manufacturing: equipment and technologies | |
Andrey Grigorevsky
Desktop coordinate robots manufactured by BAN SEOKPRECISION IND., CO., LTD
The article describes desktop coordinate robots manufactured by BAN SEOK PRECISION IND., CO., LTD (South Korea), a leader in the production of dosing systems for various materials of high and low viscosity. | 27 |
| Electronics manufacturing: equipment and technologies | |
Nikolay Khatsyur
Fighting scrap - contact cleaning of printed circuit boards before assembly
The most pressing issue for a company that assembles electronics (especially contract assembly) is reducing the assembly cost. This problem can be solved in different ways. Many successful factories have their own know-how and secrets in this matter. One way is to reduce the number of rejects. In this article, we will look at how you can get rid of potential scrap even before starting assembly. | 30 |
| Electronics manufacturing: equipment and technologies | |
Andrey Grigorevsky
High quality ultrasonic cleaning systems from SEONG DONG ULTRASONICCLEANER CO., LTD
SEONG DONG ULTRASONIC CLEANER CO., LTD was founded in 1952 in the capital of South Korea, Seoul, as a manufacturer of high-quality ultrasonic (US) cleaning systems. In 2002, the company successfully passed ISO 9001 certification, thereby confirming the high quality of its products.
The supply program includes analog, digital and modular ultrasonic cleaning systems, as well as accessories for them. | 34 |
| Soldering equipment and materials | |
Maria Glazkova
KESTER consumables widely used in electrical engineering and electronics
This article describes Kester - HydroMark 531 Wash-Off Solder Paste, Kester R276 No-Clean Flux Paste, and two different fluxes (2235 and 1544) from KESTER, one of the world's leading manufacturers and suppliers of soldering materials. | 37 |
| Soldering equipment and materials | |
Andrey Grigorevsky
Soldering equipment manufactured by QUICK Electronic
QUICK Electronic, founded in 1994 in Shanghai, is one of the leading manufacturers of equipment for the repair and small-scale production of electronics products. This is confirmed by the implementation of the ISO9001 quality management system at the enterprise, as well as by the wide geography of product supplies. Equipment and accessories are manufactured in accordance with RoHS and WEEE directives, as evidenced by various certifications. The delivery program includes hand-held, repair and hot-air soldering stations, systems for mounting/dismounting ICs in BGA cases, air purification and ionization systems, as well as a wide range of accessories. | 40 |
| Soldering equipment and materials | |
Alexey Smolka
Soldering station - which one to choose?
The functionality of the soldering station, first of all, depends on the design of the soldering irons, in which the heater plays the main role. The temperature adjustment range, the accuracy of its maintenance, the heating rate, power, supply voltage, as well as the potential and grounding resistance, weight and dimensions - all these parameters, which are determined by the soldering irons used, fully affect the quality of the soldering. In the case of using soldering stations in production, the weight, dimensions, ergonomics of soldering irons begin to play a significant role, since the installer uses the soldering iron almost continuously throughout the entire work shift, i.e. 8 hours, and these parameters significantly affect the employee's fatigue, and , respectively, the overall labor productivity. | 48 |
| PCB design | |
Sergey Luzin, Gevorg Petrosyan, Oleg Polubasov
Problems with tracing PCBs with BGA components
The features of designing printed circuit boards with BGA components installed on them are considered. These components have a high pin density, and in most CAD systems, standard wire routing methods result in pads being blocked. Ways of solving the blocking problem are considered, taking into account the need to minimize the number of routing layers, the total length of the connections and the number of vias. | 52 |
| Microcontrollers | |
Anatoly Shamraev
Architecture and programming fundamentals of DSPs of the C28x family from Texas Instruments. Familiarity with the Code Composer Studio environment. First project
This article opens a series of publications devoted to the study of the architecture and programming principles of DSPs of the TMS320F2812 family of Texas Instruments. The aim of the project is not only a theoretical study of the architectural features of modern signal processors, but also the practical development of the principles of software development for DSP-based devices. While working on the project, the author tried to maintain continuity with the concept outlined in the introductory article, which was published in the first issue of the magazine "CHIP NEWS Ukraine" for 2008. | 56 |
| Microcontrollers | |
Mikhail Sokolov, Mikhail Dmitriev
Flexis Low Power Microcontroller Family
In the summer of 2007, Freescale Semiconductor introduced the world's first line of fully compatible 8- and 32-bit microcontrollers (MCs), the Flexis family. A feature of the family is ultra-low power consumption in both 8- and 32-bit configurations, which are both pin-to-pin and software compatible. The architecture, peripherals and features of the MK of the Flexis family are considered, examples of using the operating modes are given. | 68 |
| Audio and video equipment | |
Edward Lobach
Aplus speech recording/reproduction microcircuits or one more step towards a user-friendly interface
The use of a voice interface in various electronic products and devices has long been a justified necessity, however, until recently, speech reproduction required either the use of high-performance controllers to implement complex compression algorithms, or significant amounts of memory. In this article, we will consider an alternative method - the use of Aplus analog memory chips. | 76 |
| Operational amplifiers | |
Valentin Rysin, Vladimir Tkachenko, Sergey Sapon
Four-channel micropower operational amplifier with field-effect transistors at the input
Issues related to the development, production and research of a new class of integrated 4-channel operational amplifiers with field-effect transistors at the input, manufactured using planar-epitaxial BiPTUP technology with isolation of active elements by reverse biased transitions, are considered. When designing the topology of the IC crystal and its manufacture, two-level metallization, functional adjustment of the bias voltage by fusing the fusible links and counter diffusion were used. An IC of this class was first manufactured on the territory of the CIS in Kiev. The main area of application of the UR1101UD48 (UV1101UD48) microcircuit: active RC filters, integrators, instrumentation amplifiers, detectors. | 78 |
| Information display | |
Artem Kozlov
How to choose a display for industrial applications?
Choosing a display for industrial equipment is significantly different from choosing a consumer TV. For the best choice of a product for a specific application, it is important to understand the specifics of its purpose, its features. | 84 |
| FPGA and BMK | |
Valery Zotov
Practical course of end-to-end design of digital devices based on FPGAs from Xilinx. Part 14
The fourteenth part of the course introduces the content of the implementation stage of the designed devices in FPGA crystals of the CPLD families. The stage of implementation of the developed device in crystals with the CPLD architecture is considered.
A brief description of the structure of reports on the execution of the placement and tracing stage and the results of static temporal analysis is provided. | 88 |
| Power electronics | |
Vitaly Shevchenko
Calculation of the control transformer of a transistor inverter
The article gives recommendations on the design of a transistor controlling transistors with an example of calculation. The materials of the article will be especially useful for developers of switching power supplies and welding inverters. | 92 |
| Engineering practice | |
Chris DeSalvo
Increasing the likelihood of signal interception
The problem of searching for signals with given characteristics in a wireless communication monitoring system is considered. Viewing all the signals in the system directly leads to a great complication of the equipment, since most of the signals are of no interest. Several signal detection techniques are discussed that efficiently capture only the signals of interest from wireless devices, thereby significantly reducing hardware performance requirements. | 96 |
| Engineering practice | |
Abel Raynus
Implementation of a digital low-pass filter on an 8-bit microcontroller
Filtering is often used in analog devices. In digital systems, engineers have to implement it, unfortunately, with a DSP (Digital Signal Processor) rather than a typical little 8-bit microcontroller. This is because the mathematics of digital filtering is much more complex than most engineers are used to dealing with. Moreover, digital filtering requires integer computations instead of floating point numbers. This leads to two problems. First, rounding effects due to limited bit depth can degrade filter response and can even make it unstable. Second, you need to deal with fractional numbers using integer math. | 100 |
| Digital signal processing | |
Konstantin Zhuchkov, Sergey Horuzhy, Igor Zarivchatsky
Solution of the problem of primary information processing for a spatially distributed system
A variant of building a block for primary processing of information for a spatially distributed system based on a multichannel digital receiver is considered. Requirements for the construction of the block are formulated, its composition and test results are presented. For the developed multichannel coherent digital receiver, the block diagram, technical characteristics and problematic issues in the design are given. In the conclusion, the development experience is summarized, and conclusions are drawn about the priority attention of developers to the design stages of such devices. | 102 |
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