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Journal of Zhejiang University SCIENCE A 2001 Vol.2 No.4 P.395~400

http://doi.org/10.1631/jzus.2001.0395


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


Author(s):  Issa Haitham M.A., ZHU Da-zhong, QIU Pei-liang

Affiliation(s):  Department of Information and Electronic Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s): 

Key Words:  surface acoustic wave filter and interdigital transducer (IDT)


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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[J]. Journal of Zhejiang University Science A, 2001, 2(4): 395~400.

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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).

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Reference

[1] Campbell, Colin K., 1998. Surface Acoustic Devices for Mobile and Wireless Communications. Academic press.

[2] Issa Haitham, M. A., 1999. Multi-Stimulated Elements SAW Filter. Master degree thesis, Zhejiang University, China.

[3] Issa Haitham, M.A., Zhu Dazhong, Qiu Peiliang, 2000. Derivation of Two Mathematical Models to Simulate Surface Acoustic Wave Programmable Tranversal Filter Devices. Acit2000 Arab Conference, Zarqa Private University.

[4] Kosinski,Pastore R., Porter, J.A., 1997. Design of a Selectable Performance Front-End Filters Using Surface Acoustic Waves. Stevens Institute of Technology, Hoboken, New Jersey.

[5] Morgan, David P., 1991. Surface-Wave Devices for Signal Processing. Prentice-Hall, Inc.

[6] Oppenheim, Alan V., Willsky, Alan S., Hamid Nawab, S.,1997. Signals & Systems Prentice-Hall, Inc.

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