23.5 An energy pile-up resonance circuit extracting maximum 422% energy from piezoelectric material in a dual-source energy-harvesting interface.
Young-Sub YukSeungchul JungHui-Dong GwonSukhwan ChoiSi-Duk SungTae-Hwang KongSung-Wan HongJun-Han ChoiMin-Yong JeongJong-Pil ImSeung-Tak RyuGyu-Hyeong ChoPublished in: ISSCC (2014)