If you’ve ever wondered why NTSC video is 30 frames and 60 fields a second, it’s because the earliest televisions didn’t have fancy crystal oscillators. The refresh rate of these TVs was controlled by ...
The 60 Hz frequency works for TVs – particularly high-definition televisions such as LCD TVs – by enabling them to combat motion blur and judder. Sixty hertz stands for a measurement of the TV's ...
If you run your variable frequency drives at 60 Hz and below, you are not alone. Nearly all the VFDs in North America operate below this nominal frequency threshold. Yet a growing number of ...
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