--- Andreas Freiherr <Andreas.Freiherr_at_Vishay.com> wrote:
> Ethan,
>
> there's a M720 circuit diagram on microfiche in my collection. I'll try
> to take a picture of the fiche viewer's screen with my digital camera,
> but it's a bit difficult due to illumination varying widely across the
> screen. In addition, the newer rev level is printed blurry on the film.
> I'll try again tonight, if I get out of the office in time.
That's OK. Al Kossow sent me a copy. It's in his scanned docs for the
PDP-12.
> As far as I can remember from looking at the fiche yesterday, there are
> three SN7400N chips and one SN7460N in the circuit, together with four
> transistors, a couple of diodes and passive parts. Doesn't look too
> complicated.
Nope... it looks pretty straightforward. All I need are some 7460s. :-)
Thanks for looking, though.
-ethan
Received on Wed Jun 11 2003 - 15:21:15 BST