Yu. S. Cherkashin

A frequency range for jamming generated by an electric radio device, which must be measured and restricted according to standards, is very wide: from 25 Hz to 1 GHz. Jamming sources, ways of its going out of a device, and ways of its suppression or restriction are different for various parts of this range. It is shown that, besides known ways of going out jamming of a block, a group of not obvious ways exists. Their appearing is caused by the fact that after weakening jamming from 10 to times, the factors appear whose effect was unnoticeable on the background of strong signals. Often the decrease of jamming level from its initial value to required values stipulated by standards achieves hundreds and thousands times.