Quote:
Originally Posted by MPaulHolmes
Nah, 8kHz just seems to be the favorite for high performance controllers.
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Just my opinion, but when i tried the 8khz software on my controller, i found it very annoying, moreso than the 1.5khz noise from the Curtis 1231 i used to have. 8khz was quieter, but more piercing (to my ears).
The curtis would drop from 15khz to 1.5khz if the temperature went above about 50C (also if the PWM duty cycle was really low, but that was for a different reason). You might consider dropping the frequency only under certain conditions, like high temperature or current...