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Wan't to know how to test for trapezoidal wave in TMC9660 using osclloscope

manojroy123

Can someone please share me detail on how to see trapezoidal wave in TMC9660 driver board using osciloscope.

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  • 0

    I'm not sure what you are asking, but assuming you want to see the resulting speed waveform after programming a trapezoidal speed profile...

    You may be able to capture the drive signal and process it to show the trapezoidal waveform. If the drive signal is PWM a low pass filter might recover the trapezoid.

    Another way to do this is to connect an analog speed sensor to the motor and view its output on the scope.

    A small DC motor can be used as a generator - turning it into a crude analog speed sensor - you just need to couple the sensor motor shaft to the motor-under-test.

  • 0 in reply to dougw

    I want to check output of UVW pins of TMC9660 driver board using oscilloscope. I would like to know how to check it.

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