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alpchat is your : Video card - cpu - memory - Hard drive - power supply unit source
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POSTER: computer news || SAMSUNG 8,4 MP IMAGE SENSOR
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DATE:2007-03-27
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Samsung electronics company announced the production of 8,4-Mp image sensor , made on technology CMOS (CIS).
As it is asserted, this new product has very large signal-to-noise ratio (SNR), which allow to substantially increase the image quality. To decrease noise is also critically important for increasing the resolution, since, with the condition of retaining the dimensions of sensor as a whole, it is connected with the need for decrease the size of pixel, generatrix light-sensitive matrix.
According to the estimation of producer, new sensor on image quality is compared with sensors, built on the base of instruments with charge coupling (charge-coupled device, CCD), which now are used in the photo- and video cameras. On the side of technology CIS – the small energy consumption of instruments. From this parameter CIS by an order exceed CCD; therefore it is assumed that they will rapidly extrude CCD in all key sectors, where compactness and energy efficiency have the large weight: in cell phones, cameras and video cameras.
The series deliveries of sensors with resolution 8,4 Mp producer promises to begin in the second-half of year. Samsung 8,4 Mp image sensor |
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SAMSUNG 8,4 MP IMAGE SENSOR |
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POSTER: computer news || LITHIUM- POLYMERIC BATTERIES MCP7381X
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DATE:2007-03-27
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Lithiumionic and lithium- polymeric batteries, in spite of incidents with fires, remain the most popular sources of power in portable electronic devices. The company microchip technology presented two microcircuits controllers for the appropriate chargers - MCP73811 and MCP73812 (MCP7381X).
Articles are calculated for batteries, which contain one cell and are final, completely integrated solutions, which realize all control functions of charge. Producer provided the possibility of selection and programming of current charge. The maximum value of current is 500 mA. Controllers support joining with bus USB (in other words, they can charge storage batteries by the current, which enters from port USB), they are equipped with current-sensing devices, with passage transistors and protection from the connection in the incorrect polarity. The high degree of integration, which reduces a quantity of external components, in the opinion of producer, will allow to decrease the overall sizes of terminal devices and simplify their design.
As examples of application MCP7381X are named the devices of everyday electronics, in particular, toy and MP3 players .
New product are released in 5 pin case of type SOT-23. Wholesale price of MCP73811 is 0,57 dollars, MCP73812 – 0,59 dollars. lithium- polymeric batteries MCP7381X |
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LITHIUM- POLYMERIC BATTERIES MCP7381X |
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POSTER: computer news || TSMC 55- NM TECHNOLOGICAL PROCESS
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DATE:2007-03-27
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The most important Taiwan contract producer of semiconductors taiwan semiconductor manufacturing company (TSMC) declared, that 55- nm technological process, obtained by scaling 65- nm process to 90%, ready series production.
Passage to the thinner standards promises significant reduction in the production expenses with the retention of chips operating speed . The decrease of energy consumption by 10-20% simultaneously is achieved.
Since 55- nm process is obtained by single-stage compression, developers can use the existing libraries and transfer their projects to the new standards with the minimum efforts and the minimum risk, as company asserts. The logic circuits, prepared to the release according to the standards 55 nm, are united in two platforms: the general purpose and consumer. The production of diagrams for general purpose will begin already in the current block; later, also in the present year, will be expanded the production of diagrams for consumer electronics.
Thus, the mastery of new technical process goes even with small lead of plans. Let us recall, according to the previously published information, TSMC intended to begin the production of chips according to the standards 55 nm in the third quarter of the present year. TSMC 55- nm technological process |
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TSMC 55- NM TECHNOLOGICAL PROCESS |
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POSTER: cpu review || KINGSTON NEW 2 GB FLASH MEMORY
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DATE:2007-03-27
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Kingston technology company added in its assortment the new cards flash- memory with volume 2 Gb, which will be accessible in the composition of collections, which include, besides card , two adapters. This approach, this last company, will allow to increase the degree of interchangeability with disk change , since the adapters give the possibility to use the card in the devices indicated, calculated for cards format miniSD and Secure digital (SD). In particular, the discussion deals with PK, compact pc, cell phones, cameras and portable players.
Since the cards microSD become standard for many multifunctional telephones, Kingston decided to improve the popular and practical collection of microSD with two adapters due to the addition of card by volume 2 Gb, thus commented official announcement (Jean wong), the manager of kingston flash- memory .
The new collection, which includes the flash- card format microSD with volume 2 Gb, adapters from microSD in miniSD and from microSD in SD, obtained the designation SDC/2GB-2ADP. The recommanced price for retail market USA is 58 US dollars. As usual, product under trade mark kingston are accompanied by twenty-four hour technical support and life time guarantee. Kingston new 2 Gb flash memory |
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KINGSTON NEW 2 GB FLASH MEMORY |
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