Connections, wires and connectors

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The function of wires is to transport an electric signal from one point to another. There are various types of wires for all sorts of different uses, generally depending on the kind of signal they carry.

Connectors are fixed at the far ends of the wires and they also vary depending on the kind of signal the wire transports. Electric signals must be carried by the wire with as little distortion as possible. A wire is made up of conducting material, and the better its quality (which often means "more expensive") the better its conductive properties. Naturally there is no such thing as a conductor which has no resistance whatsoever, therefore each wire has a voltage drop at its far ends, which means that the longer the wire is, the greater the loss on the signal. This loss is measured in dB/m or dB/km (a 5 m long wire which has a loss of 2 dB/m attenuates the signal passing through it by 10 dB).


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