DVI cables as you know have come in a variety of assortments and sub categories. DVI-A cables are another example of this myriad of digital video choices. DVI-A cables function is to transmit a DVI signal to a display that is analog. Examples include a CRT monitor or lower end LCD.
DVI-A is most commonly used when connected to a VGA device. This is because they carry the same exact signal. There is some quality drop-off of course with a digital to analog conversion. That’s why a digital signal is of course a better bet whenever possible.
Accessories that make DVI-A functionality possible are DVI cables such as the VGA to DVI cable. It bridges an analog DVI source to a VGA display or the other way around. This allows for the best picture quality and function. This eliminates the need of more cumbersome and less reliable devices when connecting your graphics card and monitor.
The VGA to DVI cable male styled connectors on both ends of the cable. As a result functionality occurs just as easily with DVI to VGA. However this can only be used with analog DVI technology.
VGA to DVI cables enable a smooth and easeful compatibility between a VGA graphics card and DVI monitor. As a result it’s no unheard of to comfortably use a DVI-A monitor with an industry standard video card.
A DVI to VGA cable can be hooked up either a DVI-I or DVI-A graphics card to any VGA ported monitor. Examples of this are an LCD monitor with VGA functionality or CRT monitor. A DVI to VGA cable’s connectors consist of one end being DVI-A and the other the regular old 15-pin VGA/SVGA male connector.
In the event you already have some sort of cable you can instead purchase a DVI to VGA adaptor. The DVI to VGA adaptor comes in both a male and female version. Obviously the one you purchase is dependent on your needs, as the case is always. For a male DVI to VGA adaptor be aware that video signals via DVI-D will not display. This also applies to the female version of the adapter.
Another accessory in the family of DVI-A cables is the most appropriate one to use when dealing solely with DVI-A equipment. The DVI-A to DVI-A cable is what connects devices that have both DVI-A ports on each end. Although they do not carry a digital signal and only an analog they provide a signal that is as close to the quality of digital quality that one can achieve.
Like the other accessories for DVI-A related connections, the DVI-A cable can’t be used to provide a signal transmission from DVI-A to DVI-D or the other way around. This sort of connection is exclusive to its very self in this regard.
Unlike DVI-D and DVI-I there is not as much flexibility with DVI-A connections but at the same time it still serves an important purpose and works rather well all the same. Again if it’s as close to a picture quality that you can get without it being actually digital it can’t be all that bad. In closing we hope we’ve helped you the reader see the bigger picture on how DVI-A works.
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