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How do I eliminate PWM noise when driving a fan?

I'm driving a 12V 0.11A brushless DC fan with PWM using an MSP430Gxxxx --> TC427CPA FET driver --> BS170 N-FET. The fan is on the low side of the FET. Even with a duty cycle of 90% and a frequency of ...

asked Mar 5 '11 at 15:55

Vincent Van Den Berghe
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How do I eliminate PWM noise when driving a fan?

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