5 Jan
2006
5 Jan
'06
1:05 a.m.
"Peter C. Wallace" wrote:
Neon bulb logic?
(... there was a long thread here about this a few months back.)
Tunnel Diode logic?
Ran into these recently in a Systron-Donner frequency counter from the 60s,
formed into a ring counter for the high-speed counting stage (first decade)
where 'high-speed' == all of 50MHz.