Re: fading RGB lamps



On a sunny day (Wed, 24 Oct 2007 15:07:31 GMT) it happened Jan Panteltje
<pNaonStpealmtje@xxxxxxxxx> wrote in <ffnn3l$u3d$1@xxxxxxxxxxxxxxx>:

And the analog way, would it be possible to build a multi stage RC
ring oscillator, creating the phase shifted signals directly at 10V?

I just did a ring oscillator in LTSpice,
see sceenshot here:
ftp://panteltje.com/pub/rgb.jpg
But it is not a nice sinewave...
Add some lowpass in the outputs perhaps, any other way to make it more sine like?
.