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. Author manuscript; available in PMC: 2014 Mar 12.
Published in final edited form as: IEEE Trans Circuits Syst II Express Briefs. 2012:286–288. doi: 10.1109/ISSCC.2012.6177017

Fig. 10.

Fig. 10

Measured PCE versus VOUT with RL = 0.5 and 1 kΩ at fc = 13.56 MHz, leading to the highest PCEs of 77% and 70% in the REC and VD modes, respectively.