Three-Level De-Multiplexed Dual-Branch Complex Delta-Sigma Transmitter

. 2018 Feb 20;18(2):626. doi: 10.3390/s18020626

η_{D r a i n} = \frac{P_{O U T_O N}}{V_{D S_O N} \times I_{D S_O N}}

η_{D r a i n} = \frac{P_{O U T_O N}}{(V_{D S_O N} \times I_{D S_O N}) + (V_{D S_O F F} \times I_{D S_O F F})}