| 详细介绍：
稳相电缆结构参数Construction Specification
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材料 Material
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直径Diameter (mm)
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1. 稳相电缆内导体Center Conductor
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镀银铜线 Silver plated copper
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1/2.30
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2. 稳相电缆绝缘体 Dielectric
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PTFE薄膜 Expanded PTFE tape
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6.20
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3. 稳相电缆内屏蔽层1st outer conductor
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镀银铜带 Silver-plated copper tape
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--
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4. 稳相电缆外屏蔽层2nd outer conductor
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镀银铜线Silver-plated copper braid
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7.15
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5. 稳相电缆护套 Jacket
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FEP
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7.90
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稳相电缆电气性能 Electrical Characteristics
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电容Capacitance(Pf/m)
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80.4
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阻抗Impedance(ohm)
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50
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传输速率Velocity of propagation(%)
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83
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工作频率Operating frequency(GHz)
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18
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最大工作电压Max. operating voltage(kVrms)
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2.0
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屏蔽衰减 Shielding effectiveness(dB @ 1GHz)
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＞100
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稳相电缆机械性能和环境性能 Mechanical and Environmental Characteristics
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最小弯曲半径Min. bending radius (mm)
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32
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工作温度范围Operating temperature range(℃)
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-65~+165
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相位的机械稳定性Phase Staility vs Flexure
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3GHz
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10
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10GHz
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20
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18GHz
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30
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相位随温度变化Phase Staility vs Temperature
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≤750PPM(-40℃~+100℃)
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稳相电缆衰减（20℃ 海平面测试条件）(典型值) Typical Attenuation @20℃ and Sea Level
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频率Frequency (GHz)
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衰减Attenuation (dB/m)
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1.0
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0.16
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3.0
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0.27
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6.0
|
0.39
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10.0
|
0.49
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18.0
|
0.66
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