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You've reached the Synthesizer DIY pages of René Schmitz!

The circuits that I provide here are mostly my own designs, and tested, unless otherwise stated. 

A word about analog music
If you are looking forward to build any of the stuff or if you have any questions regarding the material presented here, feel free to send me a mail (in English or German) I often have ideas for little additions or improvements, but I'm too lazy to present them here.
The sign of wisdom and knowledge.. And so cute!

The OTA tutorial by Gene Zumchak
( Check his website ez-ware.com)

An in depth look on OTAs
by Achim Gratz.

Rbe comparison.

Whats that exp and tempco stuff?

Jim Patchells ideal diode tutorial

Whats new here?!

Highly recommended: Musicsyntheziser.com !

The guys who made my sequencer (browse to ACS then SEQUENCER and check the gallery...)

A good place to find Datasheets