Oops, I didn't get my sig on the original post.
> Rex Lint wrote:
>> I'm surprised I hadn't found the connection between this industry and ours
> I worked in the semiconductor industry for over 26 years. We used RF
> generators that ranged from 6 or 8 KW out into widely varying impedances
> to some that were well into the hundreds of KW output.We also used RF
> and DC plasma generators.
> When they modernized and got mostly out of the float zone single crystal
> business they sold off a lot of the equipment. I purchased two of the
> small generators. The plate transformers were single phase 440/408
> primaries with center tapped 6600 volt secondaries. One local ham
> stripped out the RF deck which BTW contained a pair a Jennings vacuum
> variable capacitors suitable to the tune and load caps for 80 through
> 10. The smaller was motor driven. He then put in a 4-1000. He joked
> that although he many not have had the most powerful ham amp but he most
> likely had the heaviest. The cabinet was about 4 X 4 X 4 feet made of
> roughly 1/8" steel with a door on the PS and the RF deck sides.
> How heavy were these? I don't have an actual figure, but I purchased
> two of those "small" generators and brought them home on a pickup
> truck. We set up a block and tackle with skids to get them out of the
> truck. As the last one made it to the skids I noticed the front wheels
> "bouncing" and three of us jumped onto the front bumper as it headed up.
> Three of us added enough weight to bring the front end down *slowly*,
> but the generator which had made it to the skids wasn't going to stop at
> this point. The hope was that the front end would be down by the time
> the weight was off the back end, but it was apparent that was not to
> be. *Fortunately* the front end only had about 3 feet to go when the
> generator's weight shifted onto the skids. All three of us jumped at
> that point.
> All I can say is, Man! What a cloud of dirt! I didn't realize that old
> truck was hauling that much of mother nature around.
> I took one of the transformers down stairs by myself. I'm still not
> sure how I managed that as it took two guys to get the thing out of the
> basement. (That's probably what's wrong with my back now <sigh>)It was a
> nice, clean, open frame transformer with the windings on each leg,
> shellacked and terminals for everything.
> BTW, I purchased those two generators for about $30 each.
> Many industries use RF generators and with the economy being what it is,
> it'd probably pay to keep track of business auctions as well as putting
> out some feelers to find out who uses what in any particular area.
>> RF Heat Sealer Replacement Parts.
>> Rex Lint, Consultant
>> 26 Brek Drive
>> Merrimack, NH 03054
>> PH: 603-860-7651
>> -----Original Message-----
>> From: email@example.com [mailto:firstname.lastname@example.org] On
>> Behalf Of butwheat
>> Sent: Wednesday, February 04, 2009 10:15 AM
>> To: email@example.com
>> Subject: [Amps] Unusual source of HV and some amp parts
>> Strange place to find this stuff:
>> Mark KX8XX
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