> The core material is typo'd in the article schematic and I can't
> make it
> out. Any body know what the actual material was?
Larry, the best that I could figure is Magnetics core number
ZJ-44920-TC available from this company: www.mtldistribution.com
Send them an email to get a quote. They were in the $8.40 price
range at the time. They do have a $25 minimum order.
> Seems like a large diameter toroid with
> conventional windings would do just fine and be easier to
> construct.
I think W9QQ did just that with his "commercial" kit.
>
> Seems like it would be a good idea to make smaller "stackable"
> supplies.
I think so too....much easier to build I would think....that after
much thought RE the stack of cores I built.
> Is there a good reference for design of this type of switcher
> someplace.
> Preferably on-line.
This SM HV PS thing is going to really take off pretty soon. I
spoke with a commercial maker of KW amps at Dayton...sed a 300khz
SM supply for their amp is in the works. ("Don't ask/Don't tell"
any more than that.)
> I have all sorts of design aids for tiny little
> computer type supplies but nothing here for BIG stuff.
W5JGV has a web site that shares his efforts with
a HV SM supply. Click on "Amateur Radio", then go down
to "Project Pages". Good info there!
73,
Charlie, N0TT
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