Doepfer A-155 Analog/Trigger Sequencer User Manual download pdf (Page 11)

doepfer

System A - 100

Analog / Trigger Sequencer

A-155

11

fig. 4: controlling decay time in a VC-ADSR

In fig. 4 the lower analog CV row controls the decay

time of a VC-ADSR. This in turn controls the cut-off

frequency of a VCF, and so produces filter accents of

different lengths.

1 2 3 4 5 6 7 8

VCO

Clock

Trig. 1

Post Out 1

Pre Out 2

VCF

VC-ADSR

Decay

A-155

1 2 ... 6 7 8 9 10 11 12 13 14 15 16

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