At 03:44 PM 8/19/1998 -0400, you wrote:
>I'm looking to build an oscilloscopes with an '84 chip. Any body out
>there have any suggestions. Please help I have no idea what to do.
>
>thanks for reading this
>Matt K
>
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Hi Matt,

Check out the Aug '98 of Circuit Cellar Ink for an article on building a
DSO/logic analyzer, using a PIC processor.  I think it will do 50 - 100 MHz
tops at 8 bits of resolution, with various input signal ranges.  The
project is called the BitScope.  A non-trivial matter for the beginner to
attempt.  If you'd like to digitize a low frequency signal, say audio
frequencies and you don't want a lot of bells and whistles, you might get
away with a much simpler system (e.g. an '84 PIC and a relatively low-speed
8 bit A/D converter and some memory).  In the recent past, there have been
some discussion on the PIClist of some other DSO projects, that are under
design/construction at the moment.  My best advice is to check out related
www pages, start reading literature and keep tuned to the PIClist.  Or buy
a kit and build your own.  Best of luck!

Gary Pepper

Ottawa, Ontario, Canada
e-mail: gpepper@capitalnet.com