倒装SAW滤波器寄生效应的建模

1997 IEEE Ultrasonics Symposium Proceedings. An International Symposium (Cat. No.97CH36118) Pub Date : 1997-10-05 DOI:10.1109/ULTSYM.1997.662997

H. Yatsuda

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引用次数: 16

摘要

描述了一个具有寄生的等效电路，用于预测倒装表面声波(SAW)滤波器的阻带频率响应，尺寸分别为3.2/spl倍/2.5 mm/sup 2/和2.5/spl倍/2.0 mm/sup 2/。输入输出耦合电容和共地电感在阻带中提供明显的陷阱响应。为了提高滤波器的阻带响应，提出了一种利用寄生特性的设计方法。

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Modeling of parasitic effects for flip-chip SAW filters

An equivalent circuit with parasitics is described to predict stop band frequency response of flip-chip surface acoustic wave (SAW) filters, 3.2/spl times/2.5 mm/sup 2/ and 2.5/spl times/2.0 mm/sup 2/ in size. An input to output coupling capacitance and a common ground inductor provide a distinct trap response in the stop band. In order to improve the stop band response of the filter, a design technique utilizing parasitics is proposed.

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来源期刊

1997 IEEE Ultrasonics Symposium Proceedings. An International Symposium (Cat. No.97CH36118)

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