Monthly Archives: February 2018
SynthPunk Joystick/Voltage Reference/Distribution Amplifier
er… does what it says in the post title..
SynthPunk 3 by 3 Mixer Matrix
theres 3 of these in one module. the attenuverting input channels (theres three on each mixer board, and 3 boards, so 9 inputs in total) are wired so that all 3 inputs on mixer 2 and mixer 3 are normalled … Continue reading
SynthPunk Sync Processor
you should probably build at least 2 of these. they accept positive or negative going sync pulses in any polarity or voltage between -12 and 12 volts and can extract a clean positive or negative trigger for the VCO’s. this … Continue reading
SynthPunk Video VCA and mixer by Tom Gamble of EFM
Heres a damn fine module, that i had no part in designing. its an EFM module, designed by Tom Gamble back in 1999. i was lucky enough to buy a load of his PCBs back then and have enjoyed building … Continue reading
SynthPunk the good Video VCO
heres the other VCO circuit ive been using recently. its an EFM design once again, but this time there are some changes from the original; ive got rid of the square wave and changed a cap and a resistor. heres … Continue reading
SynthPunk video comparator circuits
heres some schematics for the comparators. type 1 is used for sync processing. feed any h or v sync signal in, patch the outputs to the sync input jacks on some vcos, and twiddle the knobs and flick the switch … Continue reading
SynthPunk Video VCO Schematic
It runs from plus and minus 12 volts, and has a range of dc(ish) to over 100-200khz (as far as i can tell). it has a linearish cv response (within some ill defined and i suspect probably quite wierd limits … Continue reading
ABSTRUCTUM “Auto-Erotic Fatality”
From the self titled album from ABSTRUCTUM Hanna Elliott & Andy Ortmann Video by Elliott / Ortmann (2017) https://nihilistrecordings.bandcamp.c…