| 详细介绍： GY-9-75电缆 GY-9-75高压屏蔽型GY-9-75电缆 GY-9-75高压屏蔽型GY-9-75电缆 GY-9-75高压屏蔽型GY-9-75电缆 GY-9-75高压屏蔽型GY-9-75电缆 GY-9-75高压屏蔽型
Coaxial Cable QR540-Series
Mechanical and Electrical Characteristics
Impedance
75±2.0 Ohms
Capacitance
50±3.0(pF/m)
Velocity of Propagation
86%
Return Loss(dB)
VHF5-300MHz >=
22dB
UHF300-960MHz >=
20dB
Screening
Attenuation(dB)
VHF5-50MHz >=
100dB
UHF200MHz
Upward >=
110dB
Attenuation[@68°F. (20°C)]
Frequency(MHz)
Maximum(dB/100ft)
Maximum(dB/100m)
5
0.14
0.46
30
0.34
1.12
50
0.44
1.44
83
0.58
1.9
108
0.66
2.17
150
0.79
2.59
193
0.90
2.95
220
0.98
3.22
GY-9-75电缆 GY-9-75高压屏蔽型GY-9-75电缆 GY-9-75高压屏蔽型GY-9-75电缆 GY-9-75高压屏蔽型 | 
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