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SPWM Inverter with PIC16f877A

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sudhinpk

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Can anyone help me to generate SPWM signals using PIV16F877A? My reference signal is of 50 Hz and carrier is of 20KHz.
 

The idea is to derive the waveforms by comparing a 50Hz sine and a 20kHz sawtooth, using either software or hardware.

9165744900_1392258739.png


My simulation uses a 2k sawtooth, for ease of seeing the waveforms.
 

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