Sherwood Micro CPU/100 / was Re: Rockwell PPS-4 info (was 8008 v. 4004...)
hilpert at cs.ubc.ca
Thu Dec 18 21:30:34 CST 2008
Al Kossow wrote:
> > The earliest I have seen so far is a
> > Sherwood FM tuner ca. 1977 that uses an RCA 1802 (e.g.
> > http://atlanta.craigslist.org/ele/927622156.html).
> Bit of trivia. That tuner was designed and built in Milwaukee by a
> company that a friend of mine worked for. At the time, several of
> his friends built units up from leftovers from the production run.
I should have made a better deal with my friend: fix one, keep one.
Apparently they are rather valuable now.
John Foust wrote:
> Patent says Grafton (northern suburb). PDF manual, including block diagram:
Interesting to see, although it was 11 years ago I worked on them.
I RE'd the schematic for half of it if needed. It was interesting to see the
1802 with all it's support in there when I first opened them up.
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