HOW VFD CAN SAVE YOU TIME, STRESS, AND MONEY.

PWM sq. waves make an AC signal based on their frequency (the number of on/off cycles per next) and responsibility cycle (the width or period of how much time the sign remains on throughout each pulse) as well as the amplitude (the height of the heart beat based on the DC voltage stage), as illustrated in Figures 3 and 4.PWM or Pulse Width Modulati