TY - CONF T1 - State-of-the-art piezoelectric transformer technology JO - European Conference on Power Electronics and Applications, EPE PY - 2007/01/01 AU - Horsley EL AU - Foster MP AU - Stone DA ED - DO - DOI: 10.1109/EPE.2007.4417637 VL - 1-10 SP - 1637 EP - 1646 Y2 - 2025/04/13 ER -