Obsolescence of groovy synth parts

[Rick Jansen]

In message <3793B42E.83D93298 at wanadoo.fr> writes:
> > I'm not sure what the lesson is here. 

I think the lesson here is: don't use specific application ic's!

SSM and CEM and uA726 are nice of course, but once production 
ceases you're stuck. If you're designing something that you want
build again in 20 years you'll have to use parts that are generic.
Opamps and OTA's will be around, and probably transistor *arrays*.

What is there you REALLY cannot build with those?

I've always been amazed the industry has produced thousands
of different types of (discrete) transistors and fets, with
complete telephone directories as replacement guides. You can
probably do with a 100 or so different types in total...

Rick Jansen
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rick at bpa.nl rja at euronet.n   http://www.euronet.nl/~rja/
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