Table 2. The artifact power for CMDM array (mean =0, std =5×10^–8).

Reduction factor	2	4
4-ch CM	4.715×10–2	1.0892
4-ch DM	3.322×10–2	9.592×10–1
8-ch CMDM	3.843×10–3	5.923×10–3

CM, common-mode; DM, differential-mode; CMDM, common-mode differential-mode.