Electrical Noise 1
Electrical Noise 1 : Electrical noise has been creating problems ever since the first antennas were installed and lightning storms interfered. Almost every form of electrical or electronic device has had to live with the problem at one time or another. Today, we recognize that almost any device which operates on the principle of moving an electron from one point to another can be a receiver of electrical noise. Since the problem first became obvious to early radio engineers, the term 'radio frequency interference' (RFI) was most often applied. As engineers spread the use of electronics beyond its beginnings in radio communication, it was found that electrical interference didn't confine itself to the radio spectrum. The newer term electromagnetic interference (EMI) acknowledges the fact that electrical interference encompasses the entire electromagnetic spectrum from the lowest magnetic frequencies through the highest microwave frequencies. Delphian's RFI Filter Electrochemical Sensors
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