The projects presented here are currently being "processed". That means that I'm really active here and there are always new things. Since I work on these projects at the same time, it is possible that nothing happens to you, because I am working on another field. You may to ask for the status if you are interested.
an update
by Frank Wilker
fully automatic battery power supply
by Frank Wilker
World's best poti?
by Frank Wilker
These projects were all built and checked by me. I have tried to document them as understandable as possible. A reproduction should not be a problem. Under the downloads you can find the complete project documents. Possibly there are also remaining boards available. If you need further information, please mail me.
by Stuart Yaniger
by Pass Labs / Wayne Colburn
An integrated amplifier in sight or "The Jörg Baro Story
a directly heated triode........... combined with modern electronics like css, µ-follover and coleman regulator?
It has been standing around for a long time, waiting for a "NEW" conversion.