Paul, where is a good source for dc/dc converters to get the -12, +/-5? I looked at some of the high end stuff but would rather play around with the low$ stuff.
...Chrissi

I knew that at one time. It changes of course. I think DigiKey, Mouser, Newark
or Allied might have some in their catalogs. Also try google.com
I paid about $300 for mine back in the late 80's but the prices
may have come down. You might want to use separate supplies for 
the -5 and -12 as the current drain is way down there and the cost of
these could be very low compared to a do everything DC to DC converter.

Paul Lamar
 
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