> On Feb 8, 2016, at 2:04 PM, Noel Chiappa <j...@mercury.lcs.mit.edu> wrote: > > > >> From: Ethan Dicks > >> I'm starting to get sorry I sold off my surplus NS8641s from Software >> Results 20 years ago. To be fair, I did get over $4 each for them, so at the >> time, it was a good deal for me (ISTR retail was $7.50 even then, so I >> got a good spread on the price). >> I do have some left, but handfuls, not armloads. > > NS8641's are still available. I got a bunch from a guy in Hong Kong for > US$1.50 each - considering the source, I built a test card to make sure they > met specs, and they do, so I'm pretty sure they aren't counterfeits. :-) > > When I was worried he couldn't find enough, I checked with a supplier (4 Star > Electronics, I think) and they had like 50K available, and quoted me a price > in about the same region, so I don't think UNIBUS transceivers actually are a > problem, at least, not at the moment.
That’s good to know although I use a number of different UNIBUS interface parts depending upon the signal (input only, output only or bi-directional). But NS8641’s are the most numerous. TTFN - Guy
