A Guide To Vga Cables

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Video Graphics Array or VGA cables feature a three-row 15-pin connector and are used to hook up devices such as computer monitors, games consoles and televisions. Mini ports are smaller versions found on gadgets including laptops.

These video cables carry analogue component RGBHV (red, green, blue, horizontal sync, vertical sync) video signals and VESC Display Data Channel data between devices, with one of the pins carrying a +5 V DC power supply.

A Video Graphics Array cable can be used to transmit image data at a variety of resolutions, from 640x400px at the lower end of the scale to 2048x1536 at the higher. Although there are no set standards for the quality of each resolution, the higher-quality are generally thicker as they contain coaxial wiring and insulation to improve information transfer and reduce degradation and loss.

Put simply, all this means is that VGA cables transmit video signals between computers and display screens or projectors, allowing images to be viewed on peripheral devices. They may also be referred to as VGA extension cables, monitor or VGA video cables.

The basic VGA cables allow a connection between a PC or laptop and screen at a distance of up to 100ft without loss of data or a decline in quality. Where video transfer over distances more than 100ft is required, a VGA video extender and UTP VGA video splitter extender can be used to transmit signals up to 1000ft between computers or games consoles and display screens.

Benefits
VGA cables provide excellent picture and video quality without distortion or degradation of images and are compatible with different operating systems, as long as the hardware features the relevant VGA port.

Made using coaxial and twisted pair signal lines with ferrite cores on either end, VGA cables offer optimum viewing with ease of use and at low cost. The connectors and ports are also made to ensure no loss of data or quality. The connectors are screwed in at either end to ensure the VGA cable cannot be knocked loose.

Although VGA cables are being slowly replaced by DVI cables, they are still a very useful piece of consumer electronics equipment and much cheaper than the updated cables that also transmit digital signals.


About the Author:
The author has experience in VGA Cables and VGA Cable and Monitor Cable



Article Originally Published On: http://www.articlesnatch.com


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