Sine Wave Generator using 16F876??

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hameeds01

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sine wave generator

hello Guys

I want to know how to generate a sine wave using 16F876A + H-Bridge Driver ??

without using DAC
 

16f876 generateur

Use the PWM output, change the duty-cycle with sinusoidal law, then feed the PWM to the bridge switch and put a output LC filter in order to retain only the 1st harmonic.
About the sinusoidal modulation of the duty cycle you can use a look-up table stored inside the micro.

Just a idea.

Bye
Pow
 

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