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Ion mobility resolution measured at TW speed of 90 m/s as a function of: (A) the various TW sequences considered in the present study at a TW amplitude of 30 V, a guard bias of 15 V, and RF amplitude (Vp–p) of 300 V. (B) TW amplitude for a symmetric sequence (11110000), a guard bias of 15 V, and an RF amplitude (Vp–p) of 300 V. (C) Guard bias for a TW amplitude of 30 V. (D) RF amplitude for a TW amplitude of 30 V and a guard bias of 15 V.
