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BNC-cable - what is it?

  • Sep 26, 2025
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To BNC cable, you will come across in the high-frequency-, Video -, and audio technology. We explain to you what it is at BNC.

What a BNC cable is?

BNC-cable areas have certain characteristics and use. With the following key data of BNC can be described. Application examples and photos can be found in the subsequent image gallery.
  1. BNC is a widely used coaxial cable, similar to a DVB-C antenna cable.
  2. BNC-cables in wireless and video technology used.
  3. BNC is designed with a characteristic impedance of 50 or 75 Ohms for high-frequency signals up to 4 and 2 GHz.
  4. The bayonet fitting to hold the connector even when a large tensile stress. Due to the widespread T - and L-pieces you can attach the BNC also save space on the rear side of devices.
  5. BNC was developed by Paul Neill and Carl Concelman based on the C-plug of Octavio M. Salati, and 1951 patented.
  6. The abbreviation probably stands for "Bayonet Neill–Concelman", but also, the terms "Bayonet Nut Connector", "Bayonet Nail Connector", and "British Naval Connector", and a few more are occasionally used.
BNC cable with male connector
In the next practical tip we will show you how you sent your cable store can.

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By the bayonet fastening of the BNC must be connected to the plug is always in the correct orientation when inserted.

By the bayonet fastening of the BNC must be connected to the plug is always in the correct orientation when inserted.

After a small rotation of the plug snaps into place and secures the connection.

After a small rotation of the plug snaps into place and secures the connection.

Also in the audio technology BNC is used, for example in the case of microphones with a BNC connector. What you should note when microphone purchase, you'll want to know [[http://praxistipps.chip.de/mikrofon-kaufen-welches-brauche-ich_37245/diesem]] practice tip.

Also in the audio technology BNC is used, for example in the case of microphones with a BNC connector. What you should note when microphone purchase, you'll want to know [[http://praxistipps.chip.de/mikrofon-kaufen-welches-brauche-ich_37245/diesem]] practice tip.

The cable comes in the ICP connector on the preamplifier. ICP provides for a power supply and signal transmission via the same cable - in contrast to the phantom power [[http://praxistipps.chip.de/unterschiede-zwischen-klinke-und-xlr_16794/XLR]].

The cable comes in the ICP connector on the preamplifier. ICP provides for a power supply and signal transmission via the same cable - in contrast to the phantom power [[http://praxistipps.chip.de/unterschiede-zwischen-klinke-und-xlr_16794/XLR]].

Also, digital signals are transmitted via BNC...

Also, digital signals are transmitted via BNC...

...for example, the Word Clock to sync devices.

...for example, the Word Clock to sync devices.

About Adapter BNC can be converted to unbalanced Jack...

About Adapter BNC can be converted to unbalanced Jack...

...or RCA.

...or RCA.

Typical for BNC L - and T-plugs, to work behind the equipment and the winding positions in a space-saving and kink-resistant cable.

Typical for BNC L - and T-plugs, to work behind the equipment and the winding positions in a space-saving and kink-resistant cable.

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