On 27/09/2011 16.02, Jacopo Monegato wrote:
> Ok, but...
> Let's pretend for a moment that i come from a technical institute in high=
 school, i studied Electrotechnics (i hope i spelled it right), but thanks =
to our public school minister
about the minister:
http://science.slashdot.org/story/11/09/25/223216/The-Mythical-Tunnel-Betwe=
en-CERN-and-Central-Italy?utm_source=3Drss1.0mainlinkanon&utm_medium=3Dfeed

Please dont respond here...its OT!


> , if i was born five years ago i wouldn't have this problem. I have NOT s=
tudied  power supply system, so I don't know WHY this happens. I know that =
a lot of hum comes from switching power supplies (and since i come from ita=
ly, i think it has 220V hum ;) )... Because it works basically like a pwm m=
odule.
>
> Now what i can't understand is WHY only the pwm module doesn't work.... I=
f it's so obvious that it's not written anywhere, i am sorry ;)
>

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