TY - JOUR T1 - PLL controller for achieving zero‐voltage switching (ZVS) in inductorless half‐bridge drive piezoelectric transformer resonant power supplies JO - The Journal of Engineering UR - http://dx.doi.org/10.1049/joe.2018.8063 PY - 2019/06/17 AU - Foster MP AU - Davidson JN AU - Stone DA AU - Yappa R ED - DO - DOI: 10.1049/joe.2018.8063 PB - Institution of Engineering and Technology (IET) VL - 2019 IS - 17 SP - 3639 EP - 3642 Y2 - 2024/10/18 ER -