11 Oct
1999
11 Oct
'99
7:47 a.m.
At 06:39 PM 10/11/99 +0100, Tony wrote:
I've just dug out the schematics. The model 30 and
60 monitor PCBs are
similar, but not identical. They're also similar to 90% of other mono
monitors out there, and run the CRT in a conventional circuit with around
15kV on the final anode and a normal sort of beam current.
Quite simply, under those conditions you will not get hard X-rays.
I realize that Tony didn't post the original, but if you want a Wyse60 with
a _really dim_ CRT let me know :-).
But for Tony and others, the radiation component for monitors measures:
magnetic fields
visible light bands
ultra-violet thru x-ray bands
Part of the equation comes from the circuitry and the accellerating
potential on the electrons, and part is the phosphor composition (which
converts the kinetic energy of electrons into other wavelengths of course).
I've got a handbook on this somewhere but I think it is also on-line on the
US FCC site or the Dept of Commerce.
--Chuck