EDS wasp schematics?
steve.ridley at bbc.co.uk
steve.ridley at bbc.co.uk
Wed Oct 28 13:46:02 CET 1998
I have the EDP Wasp schematics and I'll scan them when I have time, but
they're
on one huge (A1 size = 8 x A4 !!!) sheet, so it'll take me ages to piece
it all together.
Don't hold your breath. Ask again in a month or two.
Making the Wasp modular will probably be more difficult than you think.
The
oscillators are DCOs, with PLLs to allow glide. The whole thing runs off
+9v,
regulated down to +5v for most of the CMOS, so there will be the DC bias
to
think about - if you get that wrong or change the signal levels and it
won't sound
the same. An easier option would be to build it like the original, but
use an
8052 to replace the DCOs and provide midi.
Steve Ridley
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