IEC 60169-17:1980/AMD1:1993
射频连接器 第17部分:外导体内径为6.5mm(0.256 in)的螺纹连接射频同轴连接器 特性阻抗50Ω(TNC型) 修改1
Radio-frequency connectors; part 17: R.F. coaxial connectors with inner diameter of outer conductor 6,5 mm (0,256 in) with screw coupling; characteristic impedance 50 ohms (type TNC); amendment 1