>> Actually, I already have. I've seen the results of the corona-caused
>breakdown
>> that you refer to there. I repaired an SB-1000 with a burned 160-meter
>tune
>> padder contact. This contact was connected to the hot side of the PI-net,
>and
>> arced to ground across the wafer. The moving contact was undamaged,
>proving
>> that it had not been hot-switched. I put a corona washer on the
>replacement
>> contact, and I had no further problems.
>
>I don't know why they left that off. It makes a day and night difference in
>breakdown voltage of that contact.
>
Hi, Tom --using a high-potential tester, what are the measured breakdown
voltages with and without the corona washer?
thanks
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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