Who's rewired their house for this hobby?

William Donzelli wdonzelli at gmail.com
Thu Nov 27 12:04:41 CST 2014

> Well, when you have hundreds of Amps flowing across the backplane, it gets
> hard to have all boards having the same voltage.  Even if you have, maybe 4
> boards in a block, there will be significant voltage drop from the feed end
> to the far end.  If you make the power planes too thick, it becomes
> impossible
> to solder the backplane connectors, so you have to go to press-fit contacts.

Yes, I realize the problems, and I am not even a power supply guy. I
do know that it is enough of a concern that *qualified* power supply
guys need to be hired to come up with a working system.

> That is all well-known technology now, but might have been on the cutting
> edge when the KL10 was designed.

No, balancing big parallel power supplies goes back quite some ways,
into the 1950s, at least.


More information about the cctalk mailing list