Olin

I don't have a scope so I cant see what is going on, don't be offended I
have to work "blind in the dark".


Regards

Tal Bejerano
AMC - ISRAEL


-----Original Message-----
From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On
Behalf Of Olin Lathrop
Sent: Sunday, June 23, 2002 5:39 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE]: Hum problem


> > This is only the power supply.  It looks good enough assming that the
> > current drain doesn't cause the regulator input caps to droop below the
> > minimum regulator input voltage between power cycles.  You can easily
see if
> > the power supply is at fault by looking at the regulated +12 and -12
lines
> > with a scope.  If they are flat, then the problem is elsewhere.  We
can't
> > tell what the problem is without the rest of the circuit and some
> > particulars, like how much current is being drawn.
>
> As I said I am drawing again the pcb as it is now, and please tell me if
you
> see something strange.

Huh?  Your comment suggests you didn't bother reading my response above, so
providing any more responses would be pointless.


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