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VCADSR (linear slope)

Linear Voltage Controlled Envelope Generator

Courtesy/Thanks to: Rene Schmitz

Description: There are three lines labeled as attack, decay and release.
These are high if that part of the slope i sreached. So with a bit of extra logic one could indicate the state of the envelope.
NOR all lines together for the sustain LED.
One can make them available as outputs to trigger external events on each section.

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Files
vcadsr.png
   Schematics for the VCADSR by Rene Schmitz
Manufacturers
Rene Schmitz
   
Parts used
BC558
   PNP Epitaxial Silicon Transistor
BC548
   NPN Epitaxial Silicon Transistor
LM 3900
   Quad Amplifier
1N4148
   High speed Switching Diode
NE 555
   Timer
TL071
   Low-Noise JFet-input Operational Amplifier
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