Re: [CAD_CAM_EDM_DRO] 67 1/2 volt battery

On Tue, 15 Aug 2000 18:24:04 -0400 (EDT), you wrote:

>Since it's probably low draw, I'd replace it with a 9V using a
>small up converter. Unfortunately, you'd likely have to roll
>your own, but your could probably do it with a small inductor and
>one of the switching regulator chips floating around. Run through
>Maxim's web site and you're likely to find an app note showing something
>that could be adapted.

Or, go to your local drugsore photo developer and grab a handful of
empty disposable cameras, In each, you'll find a small PCB containt a
converter that will turn 1/5V into about 300 (Just measured one, 311.

Pull the flashtube, connect 67.5V worth of zeners in it's place..
Watch out for the cap, 300V in 120uf can hurt.
--
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