9 Nov
2005
9 Nov
'05
10:21 a.m.
>>>> "Chuck" == Chuck Guzis
<cclist at sydex.com> writes:
Chuck> On 11/9/2005 at 10:46 AM Allison wrote:
> The serious limitation for tubes has always been
the heat and
> power from the filament rather than the heat and power used for
> functional circuits.
Chuck> So whatever happened to tunnel cathodes? It was a very hot
Chuck> topic in the 60's.
You mean tunnel diodes, a.k.a., Esaki diodes? They were a passing
fad.
paul