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. Author manuscript; available in PMC: 2015 Sep 21.
Published in final edited form as: IEEE Trans Biomed Eng. 2008 Nov;55(11):2628–2634. doi: 10.1109/TBME.2008.2001264

Fig. 4.

Fig. 4

Illustration of range selection mechanisms. (Top) Circuitry for scaling Iref. (Bottom) G1 and G2 signals drawn with respect to the sampling clock for modulating the duty cycle of Iref in method (2). Sampling occurs at the negative edges.