BLARP Finished from concretedog on Vimeo.
"A quick video of my new build "BLARP" a small portable perfboard based synth instrument built mainly using CMOS 4000 series IC's."
via Concretedog
"For the final time, for those into CMOS/Lunetta etc, the final contents are;
2 x 4015 giving 4 x 4 bit shift registers
1 x 4040 divider
1 x 40106 providing 6 x Oscs (these are pretty wide range and go from audio rates down to really low freq)
1x 4070 giving 4 x XOR
1x 4070 set up as an XOR chain
1 x 4093 giving 4 x Gateable oscs
3 x AREGVCA (Attack Release Envelope generator and Voltage controlled Amplifier)
1 x 4069 giving 2 x triangle LFO
1 x 4046 as VCO
1 x 4011 Pseudo ring modulator
1 x passive LP filter with LDR control
2 x 3 input passive mixer
4 input resistance mixer with diode summing
Power output rails
Small kludge area
Breadboard"
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