непонятный дивайс

 
асилил отдельные скопления букафф)

 Besides the power feed the good grounding of the whole system is essential.

  The standard electrical grounding system throughout the building isnt designed to have current constantly flowing through it--and yet it does, you cannot stop it. The reason a ground will not and never be perfectly noise free is that the grounding electrode conductor is nothing more than a long wire from point A to point B. And the longer the wire the more noise it will pick up.
остальное в статейке - обсасывание ентой нехитрой парадигмы. похоже на дипломную работу - объём имеет значение для аффтара)