Hi all, This may well have been mentioned before on this reflector, so apologies to those concerned if it's going back over old ground. For anyone plagued by power line "hash" when receiving on LF, p
It seems that some power transformers have so little leakage reactance that they are closely coupled to the power line. First, put about 0.01 uFd directly across the transformer secondary. Then place
Dear Kevin, so far I have not encountered problems with rfi from the mains supply. But I like to block every rectifier diode with several nanofarad in all my home brew power supplies (this also will
The Elektor magazine always carries details at the back on emc measures to be taken on psu's. This may well have been mentioned before on this reflector, so apologies to those concerned if it's going