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RG-62 and RG-83 are specialty coaxial cables designed for specific applications, particularly where their unique characteristics are needed. Here’s an overview of each type:

RG-62 Coaxial Cable

  • Impedance: 93 ohms
  • Core Conductor: Solid or stranded copper-clad steel
  • Dielectric: Polyethylene (PE), providing excellent high-frequency insulation
  • Shielding: Usually a single braid or foil with aluminum or copper
  • Applications:
    • Primarily used in computer network applications, especially in ARCnet and IBM 3270 systems.
    • Used in certain RF applications where high impedance is required.
  • Characteristics:
    • Low capacitance (16.5 pF/ft), making it suitable for longer cable runs with minimal signal loss.
    • Not as common today due to advancements in networking technology but still valuable in niche industries.

RG-83 Coaxial Cable

  • Impedance: 125 ohms
  • Core Conductor: Typically a solid copper or copper-clad conductor
  • Dielectric: Often high-grade polyethylene or polytetrafluoroethylene (PTFE)
  • Shielding: Multiple layers of braid and/or foil to ensure excellent shielding effectiveness
  • Applications:
    • Used in specialty RF transmission systems where very high impedance is critical.
    • Often found in scientific or industrial equipment requiring precise signal integrity.
  • Characteristics:
    • Low-loss characteristics tailored for high-frequency applications.
    • Less commonly used but remains essential in applications with strict impedance matching requirements.

Low-Loss Variants

"Low-loss" versions of these cables are specially designed to reduce signal attenuation over long distances. These variants typically feature:

  • Higher-grade dielectric materials to minimize loss.
  • Enhanced shielding for better electromagnetic interference (EMI) protection.
  • Superior manufacturing tolerances to maintain consistent impedance and signal integrity.
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Davis RF RG-63 Davis RF RG-62AU Davis RF RG-62AU
Specialty LL RG-63 U
Our price: $38.70
30 FT - RG-63: solid bare copper Clad Steel conductor with a polyethylene (PE) dielectric, polyvinylchloride (PVC) jacket, and an overall braid shield of 33 AWG bare copper braid shield Specialty Low Loss RG-62AU "Sold By The Foot" Just enter the total number of feet needed in the Qty Box. This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties.
Davis RF RG-62AU Davis RF RG-62AU Davis RF RG-62AU
This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties. This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties. This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties.
Davis RF RG-62AU Davis RF RG-62AU Davis RF RG-62AU
This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties. This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties. This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties.
Davis RF RG-62AU Davis RF RG-62AU Specialty Low Loss RG-83
This 93 Ohm cable can be used in applications where cable assemblies must be built in the field. The solid 22 AWG center conductor results in a cable with low attenuation properties. RG 63-U .0253" BARE COPPER CLAD STEEL,, SEMI-SOLID PE DIELECTRIC TO .285" O.D., BARE COPPER BRAID SHIELD, 90%, COVERAGE, .045" BLK PVC TO .405" NOM. O.D Specialty Low Loss RG-83 "Sold By The Foot"