[sdiy] DsPIC timer issue when used as DCO!

Neil Johnson neil.johnson97 at ntlworld.com
Fri Dec 11 00:00:30 CET 2009


Colin f wrote:
>> Can anyone see a better way?
> Ahem...
> Drive the timing CV with a hi-res DAC, use an external comparator  
> to reset
> the timing cap, capture the reset pulse period with the timer, and  
> use the
> measured period to perform auto-tune.
> That's a pretty major re-design though.
> ;-)

Yeah, but then you'd have an analogue oscillator with all that ugly  
nasty 'warmth' that those analogue boys keep bleatin' on about,  
saying how wonderfully warm and alive it sounds, whereas clearly DSI  
owners want that cool, clean digital accuracy that gives the cutting  
sharp digital oscillator edge.




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