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2. List of video connectors - Wikipedia

   en.wikipedia.org/wiki/List_of_video_connectors

   75 Ω for video signal (SDI and CoaXPress) on, for example, RG59 and RG6. 50 Ω for data link, like Ethernet on RG58. 93 Ω on RG62. 50 Ω (white/bottom row) and 75 Ω C connectors (red/top row) C connector (Concelman connector) General Radio 874 connectors GR connector (General Radio connector) Mostly seen on the company's test equipment.

3. Component video - Wikipedia

   en.wikipedia.org/wiki/Component_video

   A 15-pin VGA connector for a personal computer A 21-pin SCART or JP21 connector for a television. The various RGB (red, green, blue) analog component video standards (e.g., RGBS, RGBHV, RGsB) use no compression and impose no real limit on color depth or resolution, but require large bandwidth to carry the signal and contain a lot of redundant data since each channel typically includes much of ...

4. Cable television - Wikipedia

   en.wikipedia.org/wiki/Cable_television

   Most cable companies require a set-top box (cable converter box) or a slot on one's TV set for conditional access module cards [2] to view their cable channels, even on newer televisions with digital cable QAM tuners, because most digital cable channels are now encrypted, or scrambled, to reduce cable service theft. A cable from the jack in the ...

5. Cable gland - Wikipedia

   en.wikipedia.org/wiki/Cable_gland

   Cable glands are mostly used for cables with diameters between 1 mm and 75 mm. [3] Cable glands are commonly defined as mechanical cable entry devices. [ 4 ] They are used throughout a number of industries in conjunction with cable and wiring used in electrical instrumentation and automation systems.

6. Coaxial cable - Wikipedia

   en.wikipedia.org/wiki/Coaxial_cable

   Coaxial cable, or coax (pronounced / ˈ k oʊ. æ k s /), is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric (insulating material); many coaxial cables also have a protective outer sheath or jacket.

7. BNC connector - Wikipedia

   en.wikipedia.org/wiki/BNC_connector

   BNC connectors are most commonly made in 50 and 75 ohm versions, matched for use with cables of the same characteristic impedance. The 75 ohm types can sometimes be recognized by the reduced or absent dielectric in the mating ends but this is by no means reliable. There was a proposal in the early 1970s for the dielectric material to be ...