[sdiy] ARP submodule schematics

[Roy J. Tellason]

On Saturday 26 June 2004 03:55 pm, The Old Crow wrote:
>   I put a copy on oldcrows.net:
>
> http://www.oldcrows.net/arptech

Thanks for that,  I went in there and snagged some of that module info...

The "component data" thingy on the main page doesn't seem to lead to a link,  
though.  Is that supposed to work?

I'm only actually wondering about one or two parts,  anyhow.  I have in my 
stash some of those 3904/3906 pairs,  but in other stuff they used a 
different pair,  I think the part numbers were TZ81 and TZ581 -- does anybody 
know who made those parts?  I've never run across those numbers anywhere 
else...