r 物理发泡聚乙烯绝缘聚氯乙烯护套同轴电缆r
rr 产品用途:主要用于有线电视系统和HFC光纤—同轴电缆传输数据、语音和图像信号。
r产品特点:具有性能稳定、电压驻波比小、衰减小、纵向密封性好、弯曲性好、接收频道宽、衰减小、结构均匀性好、抗干扰性能好、防潮能力强的特点。
r主要产品型号、规格r
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rr r r rr 产品型号r
r r rr 产品名称r
r r rr 执行标准r
r r r r rr SYWV-75-5 SYWV-75-7 SYWV-75-9r
r r rr 电视分配系统用物理发泡聚乙烯绝缘聚氯乙烯护套同轴电缆r
r r rr GY/T135-1998r
r r r r rr SYWY-75-7 SYWY-75-9 SYWY-75-12r
r r rr 电视分配系统用物理发泡聚乙烯绝缘聚乙烯护套同轴电缆r
r r r rrr
r产品主要技术参数r
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r 序号r
r r rr 项目r
r r rr 单位r
r r rr 技术参数r
r r r r rr r
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r r r r rr 最小r
r r rr 标称r
r r rr 最大r
r r rr 最小r
r r rr 标称r
r r rr 最大r
r r rr 最小r
r r rr 标称r
r r rr 最大r
r r rr 最小r
r r rr 标称r
r r rr 最大r
r r r r rr 1r
r r rr 内导体r
r r rr mmr
r r rr 0.98r
r r rr 1.00r
r r rr 1.02r
r r rr 1.64r
r r rr 1.66r
r r rr 1.68r
r r rr 2.12r
r r rr 2.15r
r r rr 2.18r
r r rr 2.74r
r r rr 2.77r
r r rr 2.80r
r r r r rr 2r
r r rr 绝缘外径r
r r rr mmr
r r rr 4.60r
r r rr 4.80r
r r rr 5.00r
r r rr 7.00r
r r rr 7.25r
r r rr 7.50r
r r rr 8.75r
r r rr 9.00r
r r rr 9.25r
r r rr 11.20r
r r rr 11.50r
r r rr 11.80r
r r r r rr 3r
r r rr 外导体r
r r rr mmr
r r rr r
r r rr r
r r rr 5.8r
r r rr r
r r rr r
r r rr 8.3r
r r rr r
r r rr r
r r rr 10.3r
r r rr r
r r rr r
r r rr 12.8r
r r r r rr 4r
r r rr 缆芯介质强度r
r r rr KVr
r r rr 1.6r
r r rr r
r r rr r
r r rr 1.6r
r r rr r
r r rr r
r r rr 1.6r
r r rr r
r r rr r
r r rr 1.6r
r r rr r
r r rr r
r r r r rr 5r
r r rr 绝缘电阻r
r r rr MΩ.Kmr
r r rr 5000r
r r rr r
r r rr r
r r rr 5000r
r r rr r
r r rr r
r r rr 5000r
r r rr r
r r rr r
r r rr 5000r
r r rr r
r r rr r
r r r r rr 6r
r r rr 护套介电强度r
r r rr KVr
r r rr 3.0r
r r rr r
r r rr r
r r rr 5.0r
r r rr r
r r rr r
r r rr 3.0r
r r rr r
r r rr r
r r rr 5.0r
r r rr r
r r rr r
r r r r rr 7r
r r rr 特性阻抗r
r r rr Ωr
r r rr 72.0r
r r rr r
r r rr 78.0r
r r rr 72.5r
r r rr r
r r rr 77.5r
r r rr 72.5r
r r rr r
r r rr 77.5r
r r rr 73.5r
r r rr r
r r rr 77.0r
r r r r rr 8r
r r rr 衰减常数 5MHz 50MHz 200MHz 550MHz 800MHz 1000MHz (20℃)r
r r rr dB/100m dB/100m dB/100m dB/100m dB/100m dB/100mr
r r rr r
r r rr r
r r rr 2.2 4.8 9.7 16.8 20.3 24.2r
r r rr r
r r rr r
r r rr 1.5 3.2 6.4 10.7 13.3 15.1r
r r rr r
r r rr r
r r rr 1.2 2.4 5.0 8.5 10.4 11.9r
r r rr r
r r rr r
r r rr 0.7 1.9 3.9 6.7 8.2 9.5r
r r r r rr 9r
r r rr 回波损耗 VHF UHFr
r r rr dB dBr
r r rr 20.0 18.0r
r r rr r
r r rr r
r r rr 20.0 18.0r
r r rr r
r r rr r
r r rr 20.0 18.0r
r r rr r
r r rr r
r r rr 20.0 18.0r
r r rr r
r r rr r
r r r r rr 10r
r r rr 屏蔽衰减 5MHz 50MHz 200MHz 500MHz 800MHzr
r r rr dB dB dB dB dBr
r r rr 60 60 70 70 70r
r r rr r
r r rr r
r r rr 60 60 70 70 70r
r r rr r
r r rr r
r r rr 60 60 70 70 70r
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r r rr 90 90 100 100 100r
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