A Nonlinear Elastic Model for Predicting Triple Beat in SAW Duplexers

被引：28

作者：

Inoue, S. ^{[1
]}

Hara, M. ^{[1
]}

Iwaki, M. ^{[1
]}

Tsutsumi, J. ^{[1
]}

Nakamura, H. ^{[1
]}

Ueda, M. ^{[1
]}

Satoh, Y. ^{[1
]}

Mitobe, S. ^{[2
]}

机构：

[1] TAIYO YUDEN CO LTD, Microdevice Res & Dev Dept, Akashi, Hyogo, Japan

[2] Taiyo Yuden Mobile Technol Co Ltd, Dev & Prod Tool Design Dept, Yokohama, Kanagawa, Japan

来源：

2011 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2011年

关键词：

D O I：

10.1109/ULTSYM.2011.0459

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes simple and precise nonlinear simulation techniques for surface acoustic wave (SAW) duplexers, especially for the in-band 3rd order nonlinear distortion, the socalled 'triple beat'. The simulation model is based on the nonlinearity of SAW stress vs. strain (nonlinear elasticity of SAW), and needs just one nonlinear parameter, which represents the 3rd order nonlinear coefficient for the elastic constant. The simulation results of the triple beat for 1.9 GHz Personal Communications Service (PCS) SAW duplexers demonstrate fairly good agreement with the measurements with an accuracy of less than 1 dB.

引用

页码：1837 / 1841

页数：5

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