s to r

danial stocks diode at hotmail.com
Sun Mar 12 06:01:43 CET 2000


or you could use a PLL with the locked oscillator being a sawtooth 
generator.. needs a saw vco and a 4046 pll chip.. not to hard..
Cheers,
Dan
>
>you sense both edges of the square wave (rising/falling) and then reset
>a cap that is charged or discharged by a constant current source. The
>problem is it only works for
>one frequency of square wave, unless you make the constant current
>source track the
>frequency.
>
>Anybody have a better way? I need this too... but will probably not
>bother because its
>such a bitch !!!
>
>H^)   harry
>
>farky wrote:
>
> > How do you make a square to ramp converter?
> >
> > toby
>

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