WAC polarity inversion
WAnd-inverter graph
WAntenna analyzer
WAyrton shunt
WCenter tap
WCockcroft–Walton generator
WDummy load
WHead-related transfer function
WIntermodulation
WMarx generator
WMesh analysis
WPhasor
WSeries and parallel circuits
WStar-mesh transform
WTwo capacitor paradox
WUnbalanced line
WValley-fill circuit
WVoltage multiplier
WWindow detector