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Ringing noise in PWM Outputs STM32F4

Question asked by ortiz.leonardo on Oct 13, 2016
Latest reply on Oct 14, 2016 by ortiz.leonardo
I´m using the STM32F4 Discovery TIMER3 with channel 1 and channel 3 in mode pwm output.
 I realised that when I´m use the module timer, I get ringing noise in the rising edge and falling edge of the PWM, and also in the VDD. Also I watched in an osciloscope that this noise adds in the others channels of the timer too.
Is there a solution to eliminate that noise?
I used my code and the example code for the discovery (official).
Thanks for advance.