With the development of science and technology, and electrical/electronic products become increasingly diverse and complex, the application of circuit protection component has a non-past simple glass tube fuse, but has been developed into a wide variety of emerging areas of electronic components. 2000 global sales reached US $ 4.4 billion. For example, Littelfuse has 15 major categories of products, sales in 2000 amounted to $ 371 million; the United States AEM company's aerospace high reliable Nikon D2XS Battery Charger fuses are widely used in Europe, the United States, Japan and a new generation of spacecraft electronics in the protection of the important parts of the circuit. Cooper/Buss?mann、GCL、Wickmann? Werke, Schurter, Raychem, Shanghai dimension and attention, no XV plant, deli, good benefit, essential, Hindu, ya Bao manufacturers, such as research and development characteristics of circuit protection components, for customers to choose. With the replacement of electronic products, increasing the reliability and security requirements, especially after China's accession to the WTO, world electronics assembly industry transfer to China, people will pay more attention to the development and application of circuit protection components. This article provide a brief introduction about this.

Read the rest of this post »

Today's digital IC voltage usually require complex time series. Sequential circuits shown in this article are only required two additional components in the power supply (photo-Coupler, resistors) can ensure the appropriate voltage and timing.

Read the rest of this post »

Watt-hour meter with detailed design, manufacturing and testing standards, such as GB/t 17215-19981-level and level 2 static AC active energy Watt-hour meter (corresponding to international standards of IEC1036:1996), GB/T 15284-1994 rates (timesharing) meter, DL/T 698-1999 low voltage user specification of centralized meter reading system, multi-function Watt-hour meter DL/T 614-1997. Respectively on these standards with respect to the design of watt-hour meter power supply unit power, input voltage range, EMC tests put forward detailed requirements. Discussion below a simple single phase meters use only, single phase multifunction meter, three-phase Watt-hour meter power supply problems and design methods.

Read the rest of this post »

Mobile TV, mobile gaming and audio playback and other multimedia applications to mobile phone power management design presented a huge challenge. Mobile designers need to add a new multimedia functions at the same time, keep the phone compact shape and maintain the battery's long life. New application processor provides a great new features, but at the cost of higher power consumption. New AV functionality means that longer music playback time, audio amplifier required a more efficient enabling longer playback time. Also, when AV on the phone in a more mature, audio quality and output power requirements are also higher. In this article, we discussed a number of solutions that can help designers meet these new multimedia mobile phone power supply and audio amplification-related challenges.

Read the rest of this post »

Based on E1 line video transmission system is the focus of police communications network construction projects, take advantage of connecting the business point of private network security E1 line resource for video transmission, which can effectively improve urban security, build a safe city, as a special sound Nikon EN-EL9A Battery Charger information network platform is important. Therefore, the Zuiko Digital communications companies rely on the strong technical strength and many years of experience in digital video product development, launch a video based on E1 line transmission system, full use of police communications network dedicated resources to meet the needs of public security for video transmission.

Read the rest of this post »

Virtual instrument thoroughly break has traditional instrument only by production manufacturers defined, user cannot changed of situation, to makes any a user are can convenient flexible to with mouse or press in computer display screen Shang operation virtual instrument soft Panel of various "knob" for test work, and can under different of test requirements through window switch different of virtual instrument, or through modify software to changed, and increase or decrease virtual instrument system of function and scale. Virtual instruments with this development, and superior scalability makes virtual instruments with great vitality and competitiveness.

Read the rest of this post »

Since the late 60 's, United States concept of Bell Labs proposed solid-state imaging device, solid state image sensor has been developed rapidly and became an important branch of sensor technology, it is indispensable for PC multimedia peripherals, as well as monitoring of the core device. Complementary metal oxide semiconductor (CMOS) image sensors with charge-coupled device (CCD) image sensor for about the same time getting started, but due to limited technological level at that time, CMOS image sensor image of poor quality, low resolution, noise reduction is not enough and light sensitivity, and therefore did not receive the attention and development. CCD devices because of the high light sensitivity, low noise, less pixels and so has dominated the image sensor  Samsung TL225 Battery Charger  market. Because IC design technology and improvement of technology, CMOS image sensors in the past of the shortcomings, can now find a way to overcome, and it's inherent advantages is CCD devices can not match, so it once again become the research hotspots.

Read the rest of this post »

With the rapid progress of science and technology, lighting technology with the wide application of electronic technology is further refined. Special film and television lighting of the profession, technology is even more apparent. In particular, rapid development of modern film and television, as represented by the digital technology systems new graphics device, with each passing day, has been developed to Nikon Coolpix S80 Battery Charger a new, higher, to our professional film and television lighting, will put forward new demands, high accurate color temperature, color rendering, low power, high brightness. We also did some work in this regard:

Read the rest of this post »

Kodak Z650 is a recently launched 6-megapixel digital camera, it is the most important feature is to have a 10x optical zoom Schneider lenses in Germany, with reasonable price, so Z650 become the most cost-effective market telephoto digital camera. 

Use Z650 period of time, find some tips you can easily enhance photo, enhance photo quality. Features such as cropping, framing, when we sometimes do not pay attention in the corner of the location photographed some of the mess, not the whole picture look messy clean, body is not prominent, or JVC BN-V11U Battery Charger  sometimes not satisfied with the composition. Under normal circumstances, only the image processing software such as Photoshop for post-cut. But when we use the Z650, everything becomes simple. As long as the selected photos in playback mode, press the menu button, select the second "cut." Then the LCD screen a box will appear, move the picture box to the satisfaction of the box, and then can be determined. Turning waste into treasure is so easy, and you can immediately see the effect. This two photos below are before and after cutting. 

Read the rest of this post »

What the white balance function? Does have such experience? In the indoor or night photograph, taken out of the photo is not yellow, red, are blue, green, has not recovered at all, but do not know the reason why? Then you need to know is "white balance".

White balance (White Balance WB for short) as its name suggests is to white balance, its function is to make a digital camera able to shoot the correct under any color temperature of white.

Read the rest of this post »