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. 2017 Apr 19;17(4):901. doi: 10.3390/s17040901

Figure 1.

Figure 1

Schematics of the rectifiers for piezoelectric energy harvesting utilizing (a) switch-only; (b) bias-flip using an inductor; and (c) bias-flip using two switches and diodes with an inductor. The output load includes CL and RL.