DIY Eurorack Builds

VCAR

Voltage controlled attack release envelope and slew limiter ยท Fihdi

MakerFihdi
TypeVoltage controlled attack release envelope and slew limiter
MountingMixed
Width8 HP
LicenseProprietary (CC-BY-NC-4.0, noncommercial so not an open licence)
Difficulty ๐Ÿ”ฅ SMD (0805)
VCAR module
Photo: Fihdi

Clone of Based on the Serge Dual Universal Slope Generator. Loops for LFO or audio rate duty, with a gate input that inhibits the looping. In slew mode it tracks the input at a limited rate. Doubles as an envelope follower, gate delay, wave shaper and gate to trigger converter. Three board design: an A-board, a B-board carrying the 1206 chip parts and an F-board front panel. The published gerbers and pick-and-place files let a fab assemble the surface mount side.

Documentation

This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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