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TMS320F2812 for SPWM output
4.0
SPWM (Sinusoidal PWM) method is a more mature, wider PWM method currently in use. An important conclusion of the sampled-data control theory: the impulse shape is the same narrow pulse combined with inertia on the part of time, the effect is almost the same. SPWM method is to the conclusions for theory based, with pulse width by sine law changes and and sine wave equivalent of PWM waveform that SPWM waveform control inverse variable circuit in the switch devices of pass broken, makes its output of pulse voltage of area and by hopes output of sine wave in corresponding interval within of area equal, through change modulation wave of frequency and site value is can regulation inverse variable circuit output voltage of frequency and site value.
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