摘要
通过数学推导和图解表明:短路策动点导纳对声表面波滤波器有着对应的物理意义,用传输线模型可对分裂指换能器的特性进行精确的描述和设计。
Mathematics calculations and diagrams show that: short circuit instigate drop admittance has profound correspondence physics significance for surface acoustic wave filter, and the characteristic of division digital transducer can be described and designed using transmission line model.
关键词
声表面波
滤波器
换能器
导纳参量
电压响应
Surface acoustic wave filter, Inter digital transducer, Equivalent circuit model, Admittance parametric, Voltage response