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Piezoelectric transformer showing a reduced input impedance and step-up/step down operation for a wide range of load resistance

机译:压电变压器显示出降低的输入阻抗和升压/降压操作,适用于各种负载电阻

摘要

A piezoelectric transformer comprises a piezoelectric substrate (31) extending in a first direction, a first electrode structure (32) provided on the substrate for exciting an elastic wave propagating through the substrate in the first direction as a result of the piezoelectric transverse effect, and a second electrode structure (33) provided on the substrate for converting the elastic wave to an electric voltage, wherein the first electrode group occupies a first area on the substrate while the second electrode group occupies a second area on the substrate.
机译:一种压电变压器,包括:沿第一方向延伸的压电基板(31);设置在基板上的第一电极结构(32),用于由于压电横向效应而激发在第一方向上传播通过基板的弹性波;以及第二电极结构(33),设置在基板上,用于将弹性波转换为电压,其中,第一电极组占据基板上的第一区域,而第二电极组占据基板上的第二区域。

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