As an old time relay mechanic at IBM my diagnosis is simply proper=20
adjustment is needed.
There should be enough over travel of the moving contact to assure there=20
is a little "wiping" action of the contacts.

On 10/19/2013 11:57 AM, Peter wrote:
> http://www.eetimes.com/author.asp?section_id=3D30&doc_id=3D1319831&
>
> Worth reading for anyone using relays in small signal circuits. My soluti=
on
> would have been to analyze the circuit and add small caps (100n) across t=
he
> low current contacts, assuming the rest of the circuit would have worked
> with the additional delay. These will charge to supply voltage and provid=
e a
> nice tiny cleaning arc upon contact closure, keeping the low signal side
> reasonably clean. No idea if it would keep like this, it is a hack, but .=
...
>

--=20
John Ferrell W8CCW
"Shut her down Scotty, she's sucking mud again!"


--=20
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