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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2017 Apr 7;64(10):2439–2449. doi: 10.1109/TBME.2017.2691720

Fig. 18.

Fig. 18

Voltage doubler output (VDD) and PA supply voltage (VPA) variations during a 5 s stimulation episode in trial #1 and #2, showing the VDD staying within a user-defined window, thanks to CLPC, despite head rotation and load variation during stimulation.