[sdiy] Upper frequency limit for VCO

[Peter Grenader]

What about tracking across the entire band?  Freq doublers I've found have
limited response.  Getting one to maintain tracking, and at very least
waveshape purity across the entire spectrum is dicey, no?

Scott Gravenhorst wrote:

> 
> If the idea is to replicate the original VCO waveform in all of the divided
> outputs, wouldn't it be easier to use frequency doubling waveshapers and
> start at the bottom instead of starting at the high end and using dividers?
> I've seen frequency doubling circuits for tri and saw inputs.  AFAIK,
> divider outputs are rectangular which doesn't lend well to waveshaping back
> to saw or tri.  However, if you _want_ rectangular, that's easy to divide
> and you could also investigate Walsh functions.
> 
> 
> ---------------------------------------------------------
> - Where merit is not rewarded, excellence fades.
> - Hydrogen is pointless without solar.
> - What good are laws that only lawyers understand?
> - The media's credibility should always be questioned.
> - The only good terrorist is a dead terrorist.
> - Governments do nothing well, save collect taxes.
> 
> -- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
> -- Linux Rex         | RedWebMail by RedStarWare
> -- FatMan: home1.gte.net/res0658s/fatman/
> -- NonFatMan: home1.gte.net/res0658s/electronics/
> -- Autodidactic Master of Arcane and Hidden Knowledge.
>