IEC 60457-4 : 2.0
IEC 60457-4 : 2.0
RIGID PRECISION COAXIAL LINES AND THEIR ASSOCIATED PRECISION CONNECTORS - 21 mm RIGID PRECISION COAXIAL LINE & ASSOCIATED HERMAPHRODITIC PRECISION COAXIAL CONNECTOR - CHARACTERISTIC IMPEDANCE 50 OHMS (TYPE 9/21) - CHARACTERISTIC IMPEDANCER 75 OHMS AND 75 OHMS (TYPE 6/21)
International Electrotechnical Committee