This FAQ will look at the advantages and attributes of three-phase AC, also called multiphase or polyphase AC.

The most basic wave of all is the sine wave, which contains no harmonic overtones at all, leaving just a single wave which ... This filter alters the phase relationship throughout the various ...

Microcontroller addict [Debraj] decided to make his own programmable sine wave generator ... the phase accumulator, sine lookup table, DAC, and control logic all into a single ten-pin package.