The .000001% of use cases for a simple passive VGA to HDMI is for when the video source is designed especially to output both VGA and HDMI. In these cases the cable will accompany the video source when you buy it. This is so rare, I almost regret writing this much about it. Analog vs Digital.
Definition - What does Pulse Width Modulation (PWM) mean? Pulse-width modulation (PWM) is a modulation process or technique used in most communication systems for encoding the amplitude of a signal right into a pulse width or duration of another signal, usually a carrier signal, for transmission.
To understand why pulse-width modulation is useful in cars, we have to know what came before it that has been replaced. The goal of these circuits is to vary how much something is turned on.Dome lights are turned on or off with a switch. Fuel injectors are turned on and off with a switching circuit in a computer.o understand why pulse-width modulation is useful in cars, we have to know what came before it that has been replaced. The goal of these circuits is to vary how much something is turned on.