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ePWM block generate SPWM

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MArtin
MArtin 2017-12-2
评论： MArtin 2017-12-11
Hi,
I am trying to generate SPWM signal in DSPF28335 by the ePWM block. But the output signal always features a fixed pulse width which is equivalent to the "input port -> CMPA initial value".

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zhichuan wang
zhichuan wang 2017-12-4
Can you attach you model?
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zhichuan wang
zhichuan wang 2017-12-4
编辑：zhichuan wang 2017-12-4
I have never used the C280X ePWM block. Based on my experience, I recommend you change the value of Amplitude in SINE WAVE1 to an integer in [0 750]. And Bias is set at 750. Maybe it will work.
MArtin
MArtin 2017-12-11
Hi, Wang
Thanks for your help. I tackled the problem by referring to the Supports Examples of "Embedded Coder" .

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