I couldn’t find ‘Woolaston’ anywhere in the search here, so I thought it’d be good to dump some of these great schematics!
tri2saw
vca
Touch Noise
Ribbon controller
Super simple V/Hz VCO:
Pitch-not-critical Sooper-Simple VCO;
Simple sawtooth VCO
V/Hz state variable filter:
Noise source:
TRI2SAW:
ADSR:
LFO & VCLFO:
Simple S&H and VCA
via https://www.muffwiggler.com/forum/viewtopic.php?f=17&t=195873&sid=50d5475ca4348e6eaf02bf2cac8a0dcf
Lots of good stuff here!