Sherwood Micro CPU/100 / was Re: Rockwell PPS-4 info (was 8008 v. 4004...)

[Brent Hilpert]

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:
> 
> http://www.fmtunerinfo.com/Sherwood.pdf

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.