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1、9 MIL-C-17F UL1354 / 1478 Coaxial Cable Copper conductor PE insulation PE PVC jacket PVC Braid shield Copper conductor PE insulation PE PVC jacket PVC Braid shield Copper conductor PE insulation PE PVC jacket PVC Braid shield Signal transmission in electronic applications and data communications is
2、changing in a dramatic way. Cables now have to accommodate faster signal speeds over longer distances with less signal loss. Additionally , new shielding requirements to meet FCC RFI/EMI emission controls, tougher fire regulations requiring low toxicity materials in plenum installations and demands
3、for high density wiring are factors which have been considered in creating many of our new coaxial and data cable products.The Wondorful products in this section are designed to meet these needs for safe and reliable transmission of voice, video or data. R G - 8 / U Universal specification Number as
4、signed Means government Radio frequency This explanation is WRONG ! In fact, RG means Radio Guide! Frank Wang Jan. 19, 2001 10 MIL-C-17F UL1354 UL1478 Coaxial Cable #Attenuation is measured at 100MHz BC-Bare copper wire TC Tinned copper wire CCS Copper coated steel wire PVC Polyvinylchloride NCPVC N
5、on-contaminating polyvinylchloride PE Polyethylene LDPEPE LDPEFPE 12 JIS C 3501 BC-Bare copper wire CCS-Copper coated steel wire LDPE-Polyethylene PE Conductor: Solid or stranded copper or copper coated steel wire Insulation: PE Shield: Braid of bare copper Jacket: Color coded PVC Low losses and low
6、 propagation delays Crosstalk kept to minimum For communication and signal control systems Copper conductor PE insulation PVC jacket pvc Braid shield Stranded wire conductor Copper coated steel wire conductor Single braided outer conductor Double braided outer conductor Solid PE dielectric core Characteristic impedance 75 Characteristic impedance 50 Approx. diameter of dielectric core 3 C - 2 VCS
