TY - JOUR T1 - PLL controller for achieving zero-voltage switching (ZVS) in inductorless half-bridge drive piezoelectric transformer resonant power supplies JO - Journal of Engineering UR - http://eprints.whiterose.ac.uk/130264/ PY - 2019/06/17 AU - Foster M AU - Davidson J AU - Stone D AU - Yapa RS ED - PB - The Institution of Engineering and Technology (IET) VL - 2019 IS - 17 SP - 3639 EP - 3642 Y2 - 2024/12/26 ER -