[sdiy] small VCO core (was Temperature stable lin-exp converter with a CA3086 or CA3046)

[Tim Ressel]

J.,

How does one convert a triangle to a saw??

--TR

--- jorgen.bergfors at idg.se wrote:
> 
> > It would be nice to have a core VCO design. Just
> an
> > expo convertor and a sawtoth oscillator.
> 
> Why sawtooth? My recent experiments show that it is
> much easier to shape
> other waveforms from a triangle core.
> Also, a triangle VCO doesn't have the problem with
> the sawtooth reset time.
> Mine stays in tune to over 20kHz, without any HF
> compensation whatsoever.
> 
> /Jorgen
> 
> 


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