307 Dual Analogue State Variable Filters

Flexible Smooth Dual SVFs

v0.1

Dual SVFs based on Thomas Henry's VCF-1 design
VC resonance on both filters
Resonance trimmer to tame maximum resonance
VCF 2 can be linked to VCF 1, with attenuverter and offset to allow fine control
Normalised single parallel dual filter that can be overwritten to a dual filter with mixed out when IN 2 is plugged in and dual single filters when OUT 1 is also plugged in
V/OCT tracking capabilities
Built in attenuators and attenuverters for all inputs

it just doesn't work :C
Input does not get output at all on both filters
when cv is patched into FM of VCF 1 it produces a high pitched sinewave that is not affected by any knobs except for the input attenuverter
Output selection works, until it fried the CD4017 chip on VCF2 (unknown reason, it still works on VCF1, perhaps I just accidentally connected the two boards wrong when testing leading to misaligned pins)
Cutoff Frequency indication LED does not really light up, which is abnormal as they should at least light up when there is CV inputs
Other features untested as the inputs are not output