[sdiy] Moog VCHPF pole's NPN/PNP matching
Michael E Caloroso
mec.forumreader at gmail.com
Wed Apr 23 03:25:45 CEST 2014
According to my vintage Fairchild databook, the 2N3096 (PNP) has the
same hfe spec (aka gain curve) as 2N3094 (NPN)
You are correct about matching NPNs to NPNs for the HPF.
MC
> I don't think you have to match the PNPs and NPNs gain wise. Think you just
> have to match NPNs to NPNs and PNPs to PNPs. 2N3904s and 2N3906s don't have
> complementary gain curves so that will be hard to do anyways.
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