How to choose RF coaxial connectors from connector interface considerations?

I. From the connector interface consider how to choose RF coaxial connectors? Connector interface is usually determined by its application, but at the same time required to meet the electrical and mechanical performance requirements. 1) BNC-type connector bayonet connection, mostly used for frequencies below 4GHz RF signal connection, widely used in network systems, instrumentation and computer interconnect fields. 2) TNC in addition to threaded connections, its interface is similar to the BNC, in the 11GHz can still be used in the vibration conditions (3) SMA falls into the connector is widely used in aviation, radar, microwave communications, digital communications and other military and civilian fields, its impedance is 50?, with a flexible cable frequency below 12.4GHz, semi-rigid cable is higher up to 26.5GHz. (4) SMB volume is smaller than the SMA, for the insertion of the structure to facilitate rapid connection, mainly used in the field of digital communication is the replacement product for the L9, 50? The L9 is a replacement product for the L9, 50? for 4GHz and 75? for 2GHz. 5) SMC is similar to SMB, with threads to ensure more reliable mechanical properties and a wider frequency range, and is mainly used in military or high vibration environments. 5) N-type threaded connectors are insulated with air, with low cost, and with impedances of 50? and 75?, and frequencies of up to 11GHz, and are usually used in area networks, media distribution and test instruments. 6) SMB is a semi-rigid cable, which is smaller than SMA, with a plug-in structure for quick connection, and is mainly used in digital communications. They are commonly used in area networks, media distribution, and test instruments.

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