asymmetrical voltage

Definition:

Asymmetrical voltage is the RF nuisance voltage that appears between the electrical midpoint of the two power terminals and ground. It is sometimes referred to as common-mode voltage (electronics) If Va is used to denote the voltage vector between one of the power terminals and ground, and Vb denotes the voltage vector between the other power terminal and ground. The value of the common mode voltage is half the sum of the Va and Vb vectors, i.e., (Va + Vb)/2.