On 25 August 2015 at 10:16, Marius Liebenberg <[email protected]> wrote: > I am trying to generate a pwm signal to drive a laser power source using > the spindle pwmgen. The minimum frequency must be 20khz. I read in the > manual that pwmgen is not good on higher frequency. The question is will > it reach 20khz or must I rather try using a stepgen?
Stegen won't work either, that's a variable rate output, not a variable duty-cycle, The problem at high frequencies with pwmgen isn't with the component, it is with the base-thread frequency. What is your base-thread frequency? The output can turn on and off at that frequency for 50% duty cycle. As you drop the base frequency the number of possible duty-cycles increases. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
