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DVI Connector

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Antenk DVI Series Digital Video Interface connectors are the standard digital interface for flat panels, video graphics cards, monitors and HDTV units. This series includes DVI-D (Digital), DVI-A (Analog) and DVI-I (Integrated Digital/Audio). Their unique crossing ground blades provide high speed performance at low cost. They are available in Straight or Right Angle PCB mount receptacles and mating male Cable Connectors. They support a data transfer rate of 4.95Gbps with a dielectric withstanding voltage of 500VAC. Each version features our specially designed contacts which improve signal performance and a zinc alloy shield that reduces electromagnetic interference (EMI).


What is DVI?
DVI stands for (D)igital (V)ideo (I)nterface.


DVI is a popular form of video interface technology made to maximize the quality of flat panel LCD monitors and modern video graphics cards. It was a replacement for the short-lived P&D Plug & Display standard, and a step up from the digital-only DFP format for older flat panels. DVI cables are very popular with video card manufacturers, and most cards nowadays include one or two DVI output ports.

In addition to being used as the standard computer interface, the DVI standard was, for a short while, the digital transfer method of choice for HDTVs and other high-end video displays for TV, movies, and DVDs. Likewise, even a few top-end DVD players have featured DVI outputs in addition to the high-quality analog Component Video. The digital market has now settled on the HDMI interface for high-definition media delivery, with DVI being more exclusive to the computer market.


What are the DVI Formats?
DVI-D cables are used for direct digital connections between source video (namely, video cards) and LCD monitors. This provides a faster, higher-quality image than with analog, due to the nature of the digital format.All video cards initially produce a digital video signal, whichis converted into analog at the VGA output. The analog signaltravels to the monitor and is re-converted to a digitalsignal. DVI-D eliminates the analog conversion process andimproves the connection between source and display.

Note: Many equipment manufacturers will use DVI ports with all available pin holes open. This does not necessarily mean that the port is DVI-I. It is a precautionary measure to prevent pinsbreaking off if the wrong type of cable is inserted. Verify the DVI format of the port from the label, manual, or manufacturer.

DVI-D - True Digital Video
DVI-D cables are used for direct digital connections betweensource video (namely, video cards) and LCD monitors. This provides a faster, higher-quality imagethan with analog, due to the nature of the digital format.All video cards initially produce a digital video signal, whichis converted into analog at the VGA output. The analog signaltravels to the monitor and is re-converted to a digitalsignal. DVI-D eliminates the analog conversion process andimproves the connection between source and display.
Single-Link DVI-A Cable
DVI-A - High-Res Analog
If you are connecting a DVI computer to a VGA monitor, this is the cable you want. DVI-A are used to carry a DVI signal to an analogdisplay, such as a CRT monitor or budget LCD. The most commonuse of DVI-A is connecting to a VGA device, since DVI-A and VGAcarry the same signal. There is some quality loss involved in thedigital to analog conversion, which is why a digital signal isrecommended whenever possible.

DVI-I - The Best of Both Worlds
DVI-I cables are integrated cables which are capable of transmitting either a digital-to-digital signal or an analog-to-analog signal. This makes it a more versatile cable, beingusable in either digital or analog situations.

Like any other format, DVI digital and analog formats are non-interchangeable. This means that a DVI-D cable will notwork on an analog system, nor a DVI-A on a digital system.To connect an analog source to a digital display, you'll needa VGA to DVI-D electronic convertor.To connect a digital output to an analog monitor, you'll needto use a DVI-D to VGA convertor.


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