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首页> 外文期刊>Electronics Letters >Temperature-compensated BAW orientations over 500°C on LGT for frequency control and sensor applications
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Temperature-compensated BAW orientations over 500°C on LGT for frequency control and sensor applications

机译:LGT上温度补偿的BAW取向超过500°C,用于频率控制和传感器应用

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摘要

Recently extracted langatate (LGT) elastic, piezoelectric and dielectric constants up to 900°C were utilised to predict the temperature coefficient of frequency (TCF) of bulk acoustic wave (BAW) orientations. A range of LGT BAW orientations were identified with turnover temperatures between 100 and 550°C for use in high-temperature sensor and frequency control applications. In addition, the piezoelectric coupling of the identified orientations was investigated to determine the preferred cuts for high-temperature operation.
机译:最近提取的高达900°C的叶酸(LGT)弹性,压电和介电常数可用来预测体声波(BAW)取向的频率温度系数(TCF)。确定了一系列LGT BAW方向,其翻转温度在100至550°C之间,可用于高温传感器和频率控制应用。此外,还对确定方向的压电耦合进行了研究,以确定高温操作的首选切口。

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