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Cables

Coaxial Cable

Concentric conductor RF line

A centre conductor sits inside a foam dielectric, wrapped by a foil-and-braid shield and a PVC jacket. The two conductors share an axis, so the entire electromagnetic field is confined between them — EMI stays out, the signal stays in, and characteristic impedance stays constant.

Key specifications

Impedance

50 Ω (RF) · 75 Ω (video)

Frequency

DC – ~3 GHz

Common types

RG-6 · RG-59 · RG-58

Patented

1880 · Oliver Heaviside

Sheet 002 · Plate 1 of 1 · 1:1 infographic

Coaxial Cable
FIG. 002 — Coaxial CableBlueprint Atlas · Cables

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