Homepage   Projects

Project Oct/Hz-Converter

Last change: 27. August 2015
State: Tested, 2. batch almost sold out
Description: Converter from 1V/Oct to Hz/V (e.g. to use Korg MS series or Yamaha CS series synthesizers via standard analog sequencers), including a voltage trigger to switch/inverted trigger converter (needed e.g. for the Korg MS-20).
PDF-Dokumentation:
oct-hz-converter-de.pdf (Version 1.2 | German | 239 KB)
oct-hz-converter-en.pdf (Version 1.2 | English | 238 KB)

The PCB is based on a schematic from Magnus Danielson. Additionally I added a trigger converter that converts the usual voltage trigger to a switch or inverted trigger as been used e.g. by the Micromoog or the Korg MS series.

Please post questions or issues in one of the forums listed below

Current board layout:

Forums:

Sequencer.de forum (German!):
http://www.sequencer.de/synthesizer/viewtopic.php?t=18099
Electro Music:
http://www.electro-music.com/forum/viewtopic.php?t=57230
Muffwiggler:
http://www.muffwiggler.com/forum/viewtopic.php?t=80125

Magnus Danielson's page:
http://rubidium.dyndns.org/~magnus/synths/schematics