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Varkevisser, F. (author), Lopes Marta da Costa, T.M. (author), Serdijn, W.A. (author)Developing neuroprosthetic bioelectronic devices requires wirelessly-powered implantable stimulator systems with hundreds to thousands of output channels. Power efficiency optimization is crucial for scaling up the number of output channels. Current-mode electrical stimulation is favored for safety but is power-inefficient in conventional...conference paper 2023