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FatMan Block Diagram

Fatman block diagram

The FatMan synth includes a MIDI to Control Voltage circuit that converts Note On and Off messages to a Pitch CV, which set the frequency of the VCOs, and a Velocity CV that is routed to the VCF and VCA.

Pitch and Velocity CVs and a key-down Gate signal are available on RCA jacks on the front panel. Voltages are exponentially tapered to drive V/Hz response synth elements.

The AR/ASR switch allows the VCF's Envelope generator to gfenerate percussion or sustain transients. The Punch switch on the ADSR Envelope Generator adds a 20 ms. plateu to the attack peak to duplicate this characteristic of Mini-Moog transients.

View View the FatMan Analog Midi Synth