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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: IEEE J Solid-State Circuits. 2013 Sep;48(9):2203–2216. doi: 10.1109/JSSC.2013.2266862

Fig. 2.

Fig. 2

Various inductively-powered stimulating structures with (a) the conventional rectifier and regulator [3], (b) the fixed output rectifier [18], (c) the dynamic dc-dc converter [19], (d) the external closed-loop supply control [20], [21], and (e) the internal closed-loop supply control with the proposed adaptive rectifier.