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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2001, Vol. 2 Issue (4): 395-400    DOI: 10.1631/jzus.2001.0395
Engineering Sciences     
USE OF SUPERPOSITION PRINCIPLE TO DERIVE A GENERAL MATHEMATICAL MODEL TO SIMULATE ONE-TO-ONE, ONE-TO-MULTI AND MULTI-TO-MULTI SAW FILTER DESIGNS
Issa Haitham M.A., ZHU Da-zhong, QIU Pei-liang
Department of Information and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  This paper explains and summarizes a new attempt to derive a general mathematical model [GMM] to simulate surface acoustic wave (SAW) filters, using the superposition principle and delta function model. GMM can be used to simulate One-to-One, One-to-Multi and Multi-to-Multi SAW filter devices. The simulation program was written using MATLAB (the language of technical computing). Four-design structures (One-to-One, One-to-Two, One-to-Three and Ten-to-Ten) are selected to test the correctness of GMM. The frequency response of the simulation and test results are similar in center frequency and 3-dB bandwidth, but the insertion loss is different, because of some second order effects (Issa Haitham, 1999).

Key words： surface acoustic wave filter and interdigital transducer (IDT)     
Received: 18 September 2000     
CLC:  TN911  
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ZHU Da-zhong
Issa Haitham M.A.
QIU Pei-liang
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Issa Haitham M.A., ZHU Da-zhong, QIU Pei-liang. USE OF SUPERPOSITION PRINCIPLE TO DERIVE A GENERAL MATHEMATICAL MODEL TO SIMULATE ONE-TO-ONE, ONE-TO-MULTI AND MULTI-TO-MULTI SAW FILTER DESIGNS. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2001, 2(4): 395-400.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2001.0395     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2001/V2/I4/395

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