[sdiy] scopes

[harrybissell]

metasonix wrote:

> Los Alamos Lab once made a flying-spot scanner for use with their
> ultra-high-speed MCP oscilloscopes. As I recall, they could successfully
> detect and store single-event pulses with risetimes of 80 picoseconds
> or better. The thing used a mirror scanner rotating at 12,000 rpm and a PMT.
> They had to do this to observe transducer outputs associated with
> nuclear-weapon test firings. (Can any available ADC chip do this, Grant?)
>
> Well, heck yeah... of course the design uses vacuum tubes... was it a 12AX7...
> ???

H^) harry   (pulling uncle's leg a bit :^)