[sdiy] building a PPG EVU MIDI interface
Todd Sines
sines_tr at scale.gs
Mon Dec 8 20:19:21 CET 2008
hello everyone,
Slowly getting the courage to try this.
I have the new Virtual Music v8.3 OS EPROMs but need to get some parts
from Hermann's list.
http://www.hermannseib.com/english/synths/ppg/midiretro.htm
4 IC sockets DIL 2x14 17,7mm
1 IC socket DIL 2x12 17,7mm
2 IC sockets DIL 2x7 10,1mm
1 IC socket DIL 2x4 10,1mm
(actually, a socket with 2x3 pins would be needed for the PC900, but I
couldn't find one)
1 6850 ACIA
1 optocoupler PC900
1 quartz 2.000MHz
[pedestrian diodes & capacitors omitted]
Main question, would like to find a US source for the 6805 ACIA & PC
900.
Any ideas?
+odd
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