[sdiy] Power distribution board

[Roy J. Tellason]

On Saturday 04 April 2009 05:50:29 am Julian wrote:
> Somthing ive wondered -
>
> Regulators are cheap - what about a power bus running over-voltage and then
> a pair of dedicated regulators for each and every socket on that bus?
>
> Would that effectivly isolate every module?
>
> (im thinking back to my old doepfer lfos thatlld modulate the doepfer vcos
> on the same bus...)

That was the approach taken for the real early S-100 bus computer systems,  
with the power buses being 8V, and +/-16V,  which were typically regulated 
down to 5V and 12V on each board.  Some boards had to have multiple 
regulators for the 5V,  and there were heat dissipation issues.  Later 
systems put jumpers in place of the regulators and used switching power 
supplies instead,  though I've not much experience with them.

But yeah,  I'd say this would provide a lot of isolation.


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