[sdiy] Moog VCHPF pole's NPN/PNP matching
Mattias Rickardsson
mr at analogue.org
Tue Apr 22 17:43:35 CEST 2014
On 22 April 2014 15:15, Jean-Pierre Desrochers <jpdesroc at oricom.ca> wrote:
> The schematic states that all the NPN/PNP pairs
> used in the 4 poles chain (Q13,14 Q17,18 Q21,22 Q25,26)
> needed to be matched pairs.
> See the circuit here:
> http://www.freeinfosociety.com/electronics/schemview.php?id=944
No, it says that the NPNs (Q13, Q17, Q21, Q25) should be matched
and that the PNPs (Q14, Q18, Q22, Q26) should be matched.
/mr
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