[sdiy] Tunnel-diode like waveshaper (new student project video)
David G. Dixon
dixon at interchange.ubc.ca
Sun May 2 10:03:26 CEST 2010
Good stuff, Aaron! Congrats to the student for a cool idea.
(Shouldn't you be in bed? It's 1 am, for cryin' out loud!)
> The student wanted to try making a waveshaper based on tunnel diodes, but
> these seem hard to come by in a useful form, so he used a combination of
> JFETs and diodes and op amps to emulate the tunnel diode curve:
>
> http://www.youtube.com/watch?v=CT9bYidL71A
>
> There's a "wavefold" on the positive and negative sides, and the location
> of each one is separately adjustable with separate control voltages.
>
> This was probably the most original project out of the bunch.
>
> - Aaron
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