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Selection of rf coaxial connectors

Author: Date:5/6/2020 3:36:30 AM
 BNC is bayonet type, mainly used for rf connection less than 4GHz, widely used for instrument and computer interconnection


TNC is thread connection, similar to BNC in size, operating frequency up to 11GHz, thread type is suitable for vibration environment


SMA is a threaded connection, the most widely used, impedance has 50 and 75 ohm two kinds, 50 ohm with the use of soft cable frequency is lower than 12.4Ghz, with semi-rigid cable up to 26.5 Ghz


SMB size is smaller than SMA, for the insertion of self-locking structure, for fast connection, often used in digital communication, is the L9 replacement, 50 ohm to 4GHz, 75 ohm to 2GHz


SMC for threaded connections, other similar to SMB, with a wider frequency range, often used in military or high vibration environments


Type N connector is screw type, with air as insulation material, low cost, frequency up to 11GHz, often used in testing instruments, there are 50 and 75 ohms two


The MCX and MMCX connectors are small in size and are used for intensive connections


BMA for blind plug connection of low power microwave systems with frequency up to 18GHz