Re: RFI isolation
try .1 uf in stead of .01uf as decoupling caps... those are standards
Tesla List wrote:
> Original Poster: "Matt Behrend" <electronxlc-at-earthlink-dot-net>
> Hi all,
> I have built a digital motor controller for my sync RSG. It is
> malfunctioning due to picking up RFI on each firing of the gap. The
> circuit is enclosed in an aluminum box. There several wires that go
> outside the box, but they are optoisolated and I have ruled out the
> possibility of RFI getting in on these. The RFI is definitely passing
> through the box and hitting the logic circuitry. I have 0.01 uF caps
> next to each chip and the power supply is well-filtered.
> I have tried grounding the box and leaving it unconnected to
> anything. Could you please give me some suggestions for
> blocking this RFI.
> Matt Behrend