21 Jun
2004
21 Jun
'04
8:16 p.m.
On 22 Jun 2004, at 09:03, der Mouse wrote:
As for plausible mechanisms that glass will stop but
vacuum won't, I
offer the possibility that electrons from one cathode miss that valve's
plate and strike another one's.
I suspect the degree to which this happens depends on the geometry of
the electrodes and how one valve is mounted relative to another.
This issue must have been addressed in double-triodes and
double-pentodes that
I remember reading about. Does anyone know how "cross talk" was avoided
in these
valves (aka tubes). I'm off to dinner at my parents and I'll ask Dad
about it
given that he did lots of work in this area just after the war - enough
to be
offered a senior position at Ferranti but turned it down to stay in
academia.
Huw Davies | e-mail: Huw.Davies(a)kerberos.davies.net.au
Melbourne | "If soccer was meant to be played in the
Australia | air, the sky would be painted green"