OT: need to drive a vector CRT...

From: Gene Buckle <geneb_at_deltasoft.com>
Date: Mon Sep 15 20:56:00 2003

> > The task at hand is driving a 4" diameter vector CRT. _Any_ 4" vector CRT
>
> What the heck is a 'vector CRT'? AFAIK such things don't exist. whether a
> CRT displays 'vectors' (meaning you deflect the electron beam to a point,
> turn it on, then move it along a line to display that line), or a
> 'raster' (meaning you scan out a series of lines and modulate the beam to
> display an image) depends on the external circuitry, not the CRT itself.
>
> Magnetically-deflected CRTs (like those in most monitors and TVs) are
> generally easier to use to display a raster, but
> electrostatically-deflected CRTs ('scopes, 'vector displays', etc) can be
> used for either.
>
I know that now, but not before I posted the original message. This list
is nearly always a worthwhile education. :)

g.
Received on Mon Sep 15 2003 - 20:56:00 BST