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. Author manuscript; available in PMC: 2014 Feb 24.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2013 Jun;7(3):213–224. doi: 10.1109/TBCAS.2012.2198649

Fig. 3.

Fig. 3

Schematic diagram of the proposed active voltage doubler employing high speed offset-controlled comparators, CMPN and CMPP, to drive N1 and P1 pass transistors, respectively, and achieve higher PCE.