LCD TVs will overcome the crisis in 2010 A

2010-05-18 02:31:53

This article via: Study: LCD TVs will overcome the crisis in 2010 A

LCD TVs will overcome the crisis in 2010 A

The analysts at DisplaySearch expect higher 2010 sales and revenues. The conversion to digital TV boosts demand. LED backlight and 3D TV to give additional impetus.

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DisplaySearch analysts see a recovery in the market for LCD TVs. In 2010 not only the number of TVs sold in 2009 to climb, and revenue there will be growth. The experts predict Quarterly Global TV Shipment and Forecast report.

Already in the third quarter of 2009 increased the sales of LCD televisions ¨C for the first time in a year. Because of this upward movement, the analysts suggest that sales in the first quarter of 2010 could be better than in the first quarter of 2009. That would be the first increase in six quarters.

The sales of TV sets is expected to rise, according to DisplaySearch 2010 by six percent to 218 million units. 2009 there were 205 million. But 170 million LCD TVs next year would go over the counter, compared 140.5 million this year.

Using two-cell

With the portable system design complexity increase, they use the subsystems, displays, and the number and type of processors are more and more, single-cell lithium-ion batteries have been unable to meet system needs. Therefore, some portable media players, high-performance SLR digital camera and GPS navigation systems are beginning to use series of two lithium-ion battery. These portable products are generally asked to enter in the 8.4V and 8.8V charging between. Designers are using discrete devices previously achieved this design, but will support this demand has started a new generation charger chip market.

Typical example is the AT3663, which is Advanced Analogic Technologies Inc. (AnalogicTech) 1A linear battery charger provided the first product series chips can be used for up to two series of lithium-ion batteries. AT3663 by the manufacturer's proprietary Modular BCD process technology. This technology integrates fully isolated CMOS and high-speed complementary bipolar transistors and 30V DMOS power devices without using complex and expensive extension of epiphytic or high temperature diffusion technology.

The new process allows the AAT3663 supports from 4V to 13.2V input voltage, so designers are free to use the lower cost of non-regulated adapter.

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Kingston USB flash drives called back with encrypt

2010-05-18 02:31:37

This blog post via: Kingston USB flash drives called back with encryption B

Kingston USB flash drives called back with encryption B

According to Kingston, a German team of security researchers called SySS reported the gap (PDF). There have written a software to disclose the working methods of the authentication process by password, Selby.

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A side note from Kingston asks about German customers to contact the hotline (01 80) 50 08 617th This costs 14 cents from a landline. So far, the only way of an update is to send the drive and to update the firmware. Kingston but work on an update by download, "said Selby.

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Insecure Authentication: Kingston Data Traveler Black Box (Image: Kingston)

Recently, some charger chip maker has developed a USB port can automatically detect the available power, and to adjust the charge current to maximize charging efficiency of the chip. In addition, many charger chip does not require user intervention, it can automatically detect power | voltage regulator type and adjust their charging process.

When Linear Technology's LTC4075 battery charger chip to detect when the input power, it automatically selects the appropriate power to charge, and no external MOSFET, sense resistor or blocking diode.

Microchip Technology's MCP73837 companies also offer similar automatic power options.

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This article via: Rumor: Playstation 4 may no Cell processor A

2010-05-18 02:31:21

This article via: Rumor: Playstation 4 may no Cell processor A

Playstation 4 may no Cell processor A

As possible alternatives POWER7, Sandy Bridge and Larrabee processors are traded. The Cell processor can not keep up with the performance of modern graphics cards.

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Sony will equip its being developed new games console Playstation 4 may stop with a Cell processor. According to press reports, the manufacturer is currently looking for alternatives.

Besides highly modernized versions IBM Cell Power-7-CPU, x86 processors are based on Sandy Bridge or the failure of a discrete graphics card Larrabee architecture in question.

Integrators of popular high-end graphics cards have, in recent years, which approximated a Cell processor. In particular, the possibility is stressed to handle floating point numbers with double precision (64 bit) - a skill that is not needed for 3D graphics.

Multiple voltage source

One increasingly common request is from a different source to recharge the battery voltage, point is not to voltage source in case of overload to provide this function. Changes in input conditions can be dynamically adjusted when the charge current to achieve this functionality.

For example, mobile users often do not have time to find the AC outlet to recharge their equipment to the contrary, they hope that most of the many electronic devices have a USB port to charge the battery to them, including other battery-powered devices such as laptops. Therefore, the current market, many of the charger chip supports USB communication and input from a single lithium battery charge. At this time the challenge is to provide compensation for the changing USB port power level. As the load changes, the system must control the value of a constant charging current to ensure the normal operation of USB ports.

Some charger chip dual approach supports the use of simple USB operation, the method uses two preset charge current value (usually 500mA and 100mA) to support the USB port to allow the maximum current or the minimum current necessary to ensure the integrity of the port sex. Usually this requires interface logic embedded in the charger chip, so that the system microcontroller can read the USB port on a continuous state, and indicates a charging current from the charger to switch to another charge current.

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Aldi sells 10-inch netbook with an Atom N450 CPU

2010-04-14 01:24:58

This article via: Aldi sells 10-inch netbook with an Atom N450 CPU

Aldi sells 10-inch netbook with an Atom N450 CPU

The Medion Akoya E1222 comes with 1.66 GHz processor, 1 GB of RAM and 250 GB hard drive. His 16:9 display 1024 to solve by 600 pixels. It is available as of Thursday for 299 euros.

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Aldi offers from Thursday, 4 March, a 10-inch netbook based on Intel’s Pine Trail platform with the Atom N450 processor and pre-installed on Windows 7 starter. The Medion Akoya E1222 (MD 98,240) costs 299 euros.

The 1.66 GHz Atom CPU stand for 1 GB of DDR2 RAM and a 250 GB hard disk to the side. As the integrated graphics solution in the processor Graphics Media Accelerator 3150 is used. The 10-inch LED-backlit display dissolves with the usual for this size in 1024 by 600 pixels.

The remaining features include WLAN 802.11b/g/n (), Fast Ethernet, integrated VGA webcam with microphone, Bluetooth 2.1, integrated stereo speakers and a Multitouchpad. Medion also built a solid keyboard, in which all the keys are taken separately. For the connection of peripheral devices include a 4-in-1 card reader, three USB ports and a VGA output.

The Akoya E1217 measures 26.6 times 18 times 4.6 inches and weighs around 1.2 kilograms. The power supply is a 6-cell lithium-ion battery. A software package for image processing software (Corel Draw Essentials 4, CyberLink YouPaint), the playback software PowerDVD, the webcam tool Cyberlink YouCam, the Office suite, Microsoft Works 9 and trial versions of Microsoft Office Home & Student Edition 2007 and BullGuard Internet Security is included.

The Medion Akoya E1222 is available as of Thursday, both at Aldi Nord and Aldi Süd in black or silver. The warranty is 36 months.

e-medion_akoya-e1222-v6

The Akoya E1222 at Aldi (image: Medion- thinkpad t500 battery , thinkpad t40 battery , thinkpad t41 battery , thinkpad t42 battery , thinkpad t43 battery).

RF power amplifiers in the mobile phone to send some of the most power-hungry devices, almost reached the maximum peak current 1A, in a typical application scenario, it consumes almost half of the cell phone battery power. Therefore, design engineers, this part should give special attention to. At present mobile phone market is still GaAs HBT power amplifier components dominate, but the future use of enhanced quasi-crystal high electron mobility transistor (E-pHEMT) technology, mobile phone power amplifier power amplifier may be a new choice. Type of device operating voltage as low as 2V, and because an automatic adjustment using technology to solve the temperature drift problem, avoid the use of technology in the HBT current limiting resistor, so kind of chip can reduce the RF part of the power consumption. Typically, the use of E-pHEMT power amplifier technology, battery life can be improved about 15%. The future of such devices is expected in the CDMA / GSM handsets have large-scale applications.

RF transceiver is part of a big-power RF devices, the sending or receiving state, its current consumption of about between 50 to 100 mA. In addition to outside power, transceiver design engineers also brings another challenge, that is, the other components from the cell phone receives the power supply noise can greatly affect the overall performance of the transceiver. Therefore, the design engineers the power transceiver should be well isolated from the potential noise problems to solve.

In addition to cell phone baseband device is outside the power amplifier where the largest. Usually this part of the power consumption by reducing the operating voltage and operating frequency to further reduce, such as dynamic voltage and frequency transform processor can adjust the working status of the work of the clock and voltage. In addition, select the appropriate step-down converters also reduce overall system power consumption is very helpful in general, LDO DC / DC converter with low quiescent current, more suitable for the small difference between input and output voltage applications, the switch mode DC / DC converter with high power conversion efficiency than the input-output voltage difference for the larger applications. As the needs of future mobile phones of various functional modules operating voltage varies the power management chip, the future is definitely moving in multiple output voltage, high output current and the direction of the high level of integration, such as the Semiconductor recently introduced on the market for mobile phones two highly integrated power management dedicated ASIC NCP4110, NCP4110 LDO can provide seven and a synchronous buck converter.

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Ricoh brings A3 printer for up to 20,000 pages per month

2010-04-14 01:18:43

This article via: Ricoh brings A3 printer for up to 20,000 pages per month

Ricoh brings A3 printer for up to 20,000 pages per month

This is also the range of a toner cartridge. The monochrome model creates up to 35 A4 pages per minute. The maximum paper capacity of 1,600 sheets. serve as a sufficient space 48 by 43 centimeters. The price is 1149 euros.

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The Aficio SP 6330N summarizes the maximum expansion stage 1600 sheets of paper (Image: Ricoh).

Ricoh has a black-and A3 laser printer for up to 20,000 pages per month presented. Aficio SP 6330N delivers the model in up to 35 A4 pages per minute and 20 A3 pages per minute. It is connected via Fast Ethernet or USB 2.0, optional Gigabit Ethernet or via WiFi. The price is 1149 euros.

The printer requires 48 times 43 cm footprint. The standard paper capacity is 600 sheets: 500 per box, 100 via a bypass. As a maximum configuration has 1600 sheets (three cassettes) are possible. Optionally there is also a 80-gigabyte hard drive for saving jobs. Secret documents can unlock via PIN code.

The Aficio SP 6330N is certified under the Energy Star guidelines. The maximum power consumption is 940 watts, in continuous operation, it is 621.5 watts in standby 151.48 watts and 3.04 watts in sleep mode. In order to print from the latter willing to return the printer requires 14.27 seconds.

The proposed black toner goes to ISO 19,752 to 20,000 A4 pages DIN. The included starter kit is only designed for 6,000 A4 pages. With a maintenance kit (drum unit) 90,000 pages A4 are possible. A duplex unit gives it as an accessory.

The next generation of mobile power management challenges and design trends- thinkpad x60s battery , thinkpad x61s battery ,thinkpad x60 tablet pc battery , thinkpad x61 tablet pc battery , thinkpad t400 battery , etc.

Integration of future mobile phones will need to consume more of the functions or features, how to extend battery life to become a major issue. Combination of product development trends in China's mobile phone, this article from the RF, baseband, backlight, audio amplifier, charger and so on of the next generation of mobile power management challenges and corresponding new technologies and solutions, and provides a number of power reduction circuit consumption and noise of the design ideas.

Past two years, two major characteristics of China's mobile phone market is: As the end-user markets do not see the urgent needs of the 3G applications, 3G deployment and operation of commercial prospects are still unclear; phone replacement for the first time become the major growth in this market power, the new subscriber growth has slowed, telecom service operators need to provide more existing customers new services to increase revenues and expand market share, such as SMS, email, color screen display, web surfing, polyphonic ringtones, music, games, video, news and sports alerts and so on. The integration of such a multi-function mobile phone power supply design and management of a great challenge, mainly because of the high-power multi-function significantly reduces the service life of lithium batteries, such as when using mobile phones to surf the Internet is likely a 2 hours phone no electricity, while the battery is the target end-users of concern.

In the current new high energy battery technology (such as fuel cells) is still immature, the next generation of mobile phone power management can only improve the power supply from the utilization and reduce power consumption in these two aspects. In principle, we can use as much as possible a high power conversion efficiency of AC / DC or DC / DC switching power converters as possible to reduce the supply voltage and dynamic voltage scaling techniques or methods to extend the phone as much as possible battery operating life. Now we will RF, baseband, backlight, audio amplifier, charger, five aspects of power management to discuss the next generation of mobile phone design trends and challenges.

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