Gate Delay

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Gate Delay: Front view

This module starts as a need for my Shakuhachi 2 Synth project. I was in need for a short Gate Delay of about 10ms (which is easy to realize). But then I thought about a more flexible solution with adjustable delay time and optional trimming the gate at the end. To be used elsewhere in the synth as well. So I came up with this solution. The hardware is still simple and the functionality lies in the software. So far I have only realized the function which I need for my Shakuhachi to Synth project. But you can easily improve about this with changing the software.

Specs and features

  • Gate delay with variable timing
  • Coarse and fine time adjustment
  • Gate in and out with LED signaling
  • End of gate trim
  • Runs on +/-12V and +/-15V
  • Power consumption below 30mA positive rail. 5mA negative rail.

The documentation and the Gerber files for download can be found in my website.

Gate delay: Schematic control board
Gate delay: Schematic control board
Gate delay: Schematic main board
Gate delay: Schematic main board
Gate delay: Populated control PCB
Gate delay: Populated control PCB
Gate delay: Populated main PCB
Gate delay: Populated main PCB
Gate delay: Back view
Gate delay: Back view
Gate delay: Side view