Noise (electronics)

The current noise is a noise generated during the flow of electric current. It acts as a disturbance to the useful signal and therefore degrades the quality of the signal. In other words, the signal-to- noise ratio ( in English: signal - to-noise ratio, SNR or S / N) is reduced.

The term current noise is usually very commonly used as a collective term so he summarizes a variety of effects together, which can cause noise during the flow of electric current. More rarely, the term is equated with a single cause, the shot noise.

Noise during the current flow

Noise in the processing, transmission and conversion of signals

Also in the processing, transformation or conversion of electrical signals, there are various noise sources. These are not usually referred to as current noise, are here but are mentioned for review: