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What are Digital Video Connectors?
Digital Video connectors are used to deliver the highest quality video signal. The technology uses TMDS (Transition Minimized Differential Signalling) to transmit large amounts of digital data from the source to the display, resulting in a high-quality image. DVI (Digital Visual Interface) was developed by the industry body DDWG (the Data Display Working Group) to send digital information from a computer to a digital display, such as a flat-panel LCD monitor. HDMI took a step forward by integrating audio and video into a more compact interface. Display Port is an interface technology that is designed to connect high-graphics capable PCs and displays as well as home theatre equipment and displays. Display Port is similar to HDMI in that the Display Port signal carries both digital audio and video.
DisplayPort is an interface technology that is designed to connect high-end graphics capable PCs and displays as well as home theatre equipment and displays. Like HDMI and DVI, DisplayPort utilizes TMDS (Transition Minimized Differential Signaling) link technology to send high bandwidth video and audio signals. The 20-pin connector allows the contact point to send maximum data transfer rates of 8.64 Gbps plus 1 Mbps for its AUX channel which can carry additional data.
This connector contains 24 pins, arranged in three horizontal rows of eight pins. To the side of this grouping of 24 pins is a wide, flat pin called a ground bar. A dual-link interface provides two TMDS links, or groups of data "channels" that can carry more than 10 Gbps of digital video information. A dual-link cable is backwards-compatible with single-link applications. The majority of DVI applications will use this DVI-D dual-link cable connection.
A very common connector used mostly as a video interface for computers and monitors. It can also be found on high-definition displays, and on older high-definition source devices such as satellite receivers and cable boxes. VGA is a High Density DB-style connector, so it can also be called an HD DB15. Another popular name is "VGA connector", although it is used in video applications that support much higher resolutions (SVGA, XGA, UXGA, etc.). An HD15 connector is the same size as a DB9 connector, but it has three rows of 5 pins. On most HD15 male connectors, there is one pin (pin 9) missing in the middle row. The 9th pin is omitted because it is not used to carry any part of a computer video signal.
HDMI stands for High Definition Multimedia Interface. This technology carries the same video information as DVI but adds the capacity for digital audio and control signals as well. The current version of HDMI carries one TMDS link of digital video. Found on many home theater/consumer electronics devices, HDMI uses a 19-pin connector that is held in place by friction. This connector is technically described as a Type A HDMI connector.
The HDMI Micro connector is a Type D HDMI connector measuring 6.4 mm x 2.8 mm. This micro connector is the smallest of all HDMI connectors and has the same 19-pin configuration as the standard HDMI A and C connectors. Using an adapter, this connector can be used with a standard HDMI cable.
The HDMI Mini connector is a Type-C HDMI connector measuring 10.42 mm x 2.42 mm. This mini connector has the same 19-pin configuration as the standard HDMI A connector and is intended for use with portable electronic devices. Using an adapter, this connector can be used with a standard HDMI cable.
Developed by the Radio Corporation of America (RCA), the RCA connector is used in several video and audio applications. This connector is sometimes referred to as a Phono Plug. This is due to the fact that the connector's original purpose was to connect RCA phonograph players to an amplifier. The RCA connector is not, by its very nature, a 75 Ohm design. However, it is used in a multitude of 75 Ohm applications.
RF (‘F’ Type)
The f-type connector is used on coaxial cable, and is widely used for cable TV, satellite TV, and off-air TV antenna applications. The connector is round with the conductor of the cable itself poking through the center of the connector body. Most f-type connectors are threaded, so that they can be screwed into place. Some f-types don't have threads, and are merely pushed onto the mating connector. F-type fittings can be terminated in a few different ways: crimp, twist-on, or compression. A compression fitting is the preferred method, because it offers the most secure termination, with the lowest amount of RF leakage. The origin of the name of f-type connector is not widely known
The 4-pin Mini Din connector is the proper name for what is commonly referred to as an S-Video connector. The connector has 4 pins arranged in 2 rows, as well as a keying block to make certain the plug cannot be inserted improperly. Even though the S-Video connector has 4 pins, it only carries two signals — luminance and chrominance. The Luminance is a black-and-white wide-bandwidth television signal. The Chrominance is the color information of the video. The other 2 pins are used for signal ground connections.
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