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In Reply to: If you're gonna play around with that stuff posted by Ralph on June 4, 2020 at 13:16:14:
Thanks, Ralph. Is that probe specifically and only for "Keysight" oscilloscopes, as the data sheet suggests? I currently own a Hitachi, a Sencore, and a Tektronix. I just bought the Tektronix, and I would hate to damage it. And is that thing really insulated well enough for 3200V?Your idea of oscillation sounds better and better to me, the more I think about it, because in the process of eliminating causes of the original mode of malfunction, which was nothing like what I have going on now, I de-soldered several parts in order to test their integrity out of circuit. Then I re-soldered them. Perhaps one of the new joints I made is faulty. That's the first thing I will look for when I get the amp back on my bench. When I had the old problem of oscillation, 3-4 years ago, which was due to a bad solder joint, I could pick up the oscillation on my scope without even touching the probe to the circuit traces. All I had to do was to hold the probe about 6-8 inches away from the source of the problem, and the scope would go crazy with VHF. Maybe the same condition will apply here, if I do have an oscillation. I'll use the Hitachi, since that is the least valuable.
EDIT. I just looked on eBay for "high voltage probe for tektronix", and I found several up to 15kV, for between $200-$300. I should have thought of this. Thanks, again.
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Follow Ups
- Thanks and a further thought.. - Lew 06/5/2008:04:38 06/5/20 (2)
- RE: Thanks and a further thought.. - Ralph 08:34:57 06/5/20 (1)
- RE: Thanks and a further thought.. - Lew 13:19:38 06/5/20 (0)
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