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本文给出低杂波激励新切型基片——Y-78°X-90°LiNbO_3的一些研究结果,它是一种比常用的几种LiNbO_3基片在更宽的频带范围内有更低的杂波激励,它有中等的机电耦合系数和温度系数.是一种较好的中等带宽SAW滤波器基片材料.
In this paper, some results of low-noise excited new-cut substrate-Y-78 ° X-90 ° LiNbO_3 are presented. It is a lower than the conventional LiNbO_3 substrates in a wider frequency band Of the clutter excitation, it has a moderate electromechanical coupling coefficient and temperature coefficient is a good medium-bandwidth SAW filter substrate material.