Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!netnews.upenn.edu!vax1.cc.lehigh.edu!vlsi3b15!batman!nicholaA
From: nicholaA@batman.moravian.EDU (Andy Nicholas)
Newsgroups: comp.sys.apple
Subject: Re: Oscilloscopes
Keywords: oscilloscopes, tektronix
Message-ID: <741@batman.moravian.EDU>
Date: 17 Dec 89 01:02:55 GMT
References: <0.net.apple@pro-lep> <5862@wpi.wpi.edu> <1935@psuhcx.psu.edu> <6210@wpi.wpi.edu>
Organization: Moravian College, Bethlehem, PA
Lines: 26

> An apple can be made to do digital sampling up to about 5 or 10 =Hz,
> acting like a scope, but that's too slow for the kind of work I'm doing
> (10-20 MHz).  Even so, if a few people mail to me to say they're interested
> I'll post plans for a sampling card with software. 

If that first term was "Mhz" then I'd be willing to bet that you could just
make a card for the memory expansion slot and because that slot is addressed
the full speed of the IIgs, then you could sample as fast as you'd like to
be able to...

It would probably be a good thing to try this on a ROM 03 GS, then at least
you'd have some memory to play with and wouldn't necessarily need the
memory expansion slot.

If I recall correctly, at the KC Dev Conference, John Brooks was asking how
to make the slots go faster, even if it meant butchering a motherboard.  Rob
Moore said it couldn't be done unless you used the memory slot.  John needed
to build a board to drive some lasers for a laser show...

andy


-- 
Andy Nicholas             GEnie, AM-Online: shrinkit
Box 435, Moravian College       CompuServe: 70771,2615
Bethlehem, PA  18018              InterNET: shrinkit@moravian.edu