Schematics of Atanasoff-Berry Computer logic circuits?
hilpert at cs.ubc.ca
Fri Aug 22 00:45:35 CDT 2008
William Donzelli wrote:
> > The other minor factor ... solid state diodes did not happen untill about
> > the middle of WWII.
> Yes, and they sucked anyway.
Just a datapoint I'm aware of: within a few years (late 40's) Whirlwind used
'crystal diodes' in the 'control matrix'.
> Still, if there was enough money behind a computer project, I bet RCA
> or Sylvania could have been convinced to make a run of diode gating
> tubes using 6H6 elements.
(There was a triple diode released in the 50s or 60s)
More information about the cctech