[sdiy] CA3130 problem solved ->> S&H problem now

René Schmitz uzs159 at uni-bonn.de
Thu Dec 22 13:03:41 CET 2005


Hi Gert and all,

> I did follow this discussion with a small smile on my lips and was 
> asking myself why nobody did consider that the schematic is incorrect ( 
> by accident or by intention ) ?

Its funny, since that schemo is on the net for many years.

Its sometimes hard to judge if something is done deliberately or just a 
mistake.

> Just to remind about the hassle people will get into when building the 
> 911 (Moog EG) where one condensator has been deliberately dropped in the 
> schematic ...

Or that rectifier transistor in the Synti A VCOs...

> Considering the 2002 :
> 
> The PCB does reveal a patch wire - i.e. the connection between (4) of 
> the CA 3140 (!) and GND has been cut and instead connected to (4) of RC 
> 4531 (!) .

Thats interesting.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159





More information about the Synth-diy mailing list