KS C IEC 60457-4-2008(2013) 刚性精密同轴线及其相关精密连接器第4部分:21mm刚性精密同轴线及其相关雌雄同体精密同轴线连接器特性阻抗50Ω(9/21型)-特性阻抗75Ω(6/21型)
Rigid precision coaxial lines and their associated precision connectors-Part 4:21 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector-Characteristic impedance 50