4 ms·
> modulating the voltage but keeping that voltage always above zero In signal transmission theory people almost always think in terms of frequency ranges. Any
by goodpoint 5y ago
> modulating the voltage but keeping that voltage always above zero
In signal transmission theory people almost always think in terms of frequency ranges.
Any DC component is simply a frequency set to 0 - that can be ignored.
Similar to the earth magnetic field when talking about radio transmission in air.
- Eelongate 5y agoSure, but it's still not AC. It's VDC or PDC, not AC. It's not AC if the Current isn't Alternating.