Because I don’t have a proper signal generator, the next logical thing to measure is alternating current in my home’s electrical system. I suppose you could call it a built-in sine wave source.

Car power inverters are great for a life on the road. Depending on power capacity, they can run phones, computers, or even ...

For a conventional generator, each engine revolution produces a wave of alternating current (AC )power ... we are actually controlling and cleaning the sine wave. That is basically what the ...