![]() BNC connections can also be found in recording studios. BNC connectors were commonly used on 10base2 thin Ethernet network cables and network cards. Consumer electronics devices with RCA connector jacks can be used with BNC-only commercial video equipment by inserting an adapter. The BNC connector is used for composite video on commercial video devices. Use īNC Tee Connectors with resistive load terminators The interface specifications for the BNC and many other connectors are referenced in MIL-STD-348. They are usually applied for frequencies below 4 GHz and voltages below 500 volts. BNC connectors are made to match the characteristic impedance of cable at either 50 ohms or 75 ohms (with other impedances such as 93 ohms for ARCNET available though less common). Above 4 GHz, the slots may radiate signals, so the connector is usable, but not necessarily stable up to about 11 GHz. This dielectric causes increasing losses at higher frequencies. It uses an outer conductor with slots and some plastic dielectric on each gender connector. ![]() The BNC connector features two bayonet lugs on the female connector mating is fully achieved with a quarter turn of the coupling nut.
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