TY - JOUR T1 - Determining the ZVS operating locus for half-bridge driven inductor-less piezoelectric transformer supplies using cyclic-modelling JO - IET Power Electronics PY - 2012/01/01 AU - Horsley EL AU - Foster MP AU - Stone DA ED - VL - 5 IS - 7 SP - 1068 EP - 1073 Y2 - 2024/12/22 ER -