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2. Twisted pair - Wikipedia

   en.wikipedia.org/wiki/Twisted_pair

   Twisted pair cabling is a type of communications cable in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility. Compared to a single conductor or an untwisted balanced pair , a twisted pair reduces electromagnetic radiation from the pair and crosstalk between neighboring pairs ...

3. Differential signalling - Wikipedia

   en.wikipedia.org/wiki/Differential_signalling

   The pair of conductors can be wires in a twisted-pair or ribbon cable or traces on a printed circuit board. Electrically, the two conductors carry voltage signals which are equal in magnitude, but of opposite polarity. The receiving circuit responds to the difference between the two signals, which results in a signal with a magnitude twice as ...

4. Balun - Wikipedia

   en.wikipedia.org/wiki/Balun

   Circuit diagram of an autotransformer balun using three taps on a single winding on a ferrite rod.. An ideal balun consists of two wires (primary and secondary) and a core: the current in the primary wire generates a magnetic field in the core, which in turn induces an electric field in the secondary wire.

5. Telephone line - Wikipedia

   en.wikipedia.org/wiki/Telephone_line

   Cross section of telephone cable of 1,800 twisted pairs, 1922. A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. [1] It is designed to reproduce speech of a quality that is understandable. [2]

6. File:USB Twisted Pair.svg - Wikipedia

   en.wikipedia.org/wiki/File:USB_Twisted_Pair.svg

   A diagram of the twisted pair cable in a USB lead, showing the two data wires. Date: 22 October 2008: Source: self-made, Inkscape, rebuild in Notepad: Author: User:WolfWings and User:Inductiveload: Permission (Reusing this file)

7. ARINC 429 - Wikipedia

   en.wikipedia.org/wiki/ARINC_429

   ARINC 429 employs several physical, electrical, and protocol techniques to minimize electromagnetic interference with on-board radios and other equipment, for example via other transmission cables. Its cabling is a shielded 78 Ω twisted-pair. [ 1 ]

8. 110 block - Wikipedia

   en.wikipedia.org/wiki/110_block

   A 110 punch block. A 110 block is a type of punch-down block used to terminate runs of on-premises wiring in a structured cabling system. The designation 110 is also used to describe a type of insulation displacement contact (IDC) connector used to terminate twisted pair cables, [1] which uses a punch-down tool similar to the type used for the older 66 block.

9. RS-422 - Wikipedia

   en.wikipedia.org/wiki/RS-422

   When used in relation to communications wiring, RS-422 wiring refers to cable made of 2 sets of twisted pair, often with each pair being shielded, and a ground wire. While a double-pair cable may be practical for many RS-422 applications, the RS-422 specification only defines one signal path and does not assign any function to it.