[time-nuts] Triangle Waves
jfor at quik.com
Wed Feb 3 01:29:31 UTC 2010
No. Unless the up and down ramps were PERFECTLY matched and the opamp had
ZERO offset, the imperfections would integrate up or down, eventually
saturating the opamp. You could make the integrator less perfect by adding
a R in parallel w/ the FB cap, but it'll not be an integrator any more.
> Would integration of a 50% duty cycle square wave generate an adequate
> triangle wave? Modern opamps make pretty good low-noise integrators,
> although one would need to use a good integration capacitor to ensure
> linear ramps.
> The square wave would come from a simple binary divider chain, which will
> clean many things up and ensure a stable duty cycle, whatever the nature
> of the original signal source.
> Joe Gwinn
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> and follow the instructions there.
More information about the time-nuts