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How to generate a pwm signal with duty cycle 30%

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How to generate a pwm signal with duty cycle 30% without using any of the source blocks.
Want to use the simulink library but not the blocks present in the sources

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KALYAN ACHARJYA
KALYAN ACHARJYA 18 Nov 2019
May be: Do the coding then use in function block??

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Fangjun Jiang
Fangjun Jiang 18 Nov 2019
Use a resetable integrator to generate a sawtooth wave, compare it with a constant value, you'll get a PWM wave. The value of the constant determines the duty cycle.

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Harsha Nimje
Harsha Nimje 19 Nov 2019
can u please elaborate? which signal to be connected to the 1st input port , 2nd input port what should be the reset condition?

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