Characterization of SAW filters based on GaPO4

Paul Schiopu; Adrian Manea; Neculai Grosu; Anca-Ileana Craciun; Alexandru Craciun

doi:10.1117/12.952478

1 November 2012 Characterization of SAW filters based on GaPO₄

Paul Schiopu, Adrian Manea, Neculai Grosu, Anca-Ileana Craciun, Alexandru Craciun

Proceedings Volume 8411, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VI; 841113 (2012) https://doi.org/10.1117/12.952478
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies 2012, 2012, Constanta, Romania

Abstract

The results of research into Surface Acoustic Wave – SAW – filters have been recognized for their efficiency and versatility in the electrical signals processing^1,3. Gallium Orthophosphate (GaPO₄) is a relative new material, which has a long term high stability and, moreover, has an excellent behavior with temperature variation^2,3. The characterization of SAW filters based on GaPO₄ is uses the comparative analysis of simulated results of parameters, with different software programs, which were developed for designing of these filters. Simulation covers the determination and analysis of the characteristics of this filter, namely, mechanical parameters (constructive) and operational parameters in comparison with the design data. In order to obtain the parameters of SAW filters we have used the algorithms and software for modelling, simulation. The paper presents several versions of software programs, in Matlab and Microsoft Visual C#, for the design of GaPO₄ SAW filters and their interpretation. These modeling, simulations were performed successively by each program, until we set the parameters of SAW filter. By the comparison of the data obtained with each program, we have improved the constructive dimensions of fingers, we obtained the desired parameters. With this data, we realised SAW filters based on GaPO₄, and with the help of the Network Analyzer we measured parameters of the filter, which are presented in the paper^2,10.

Citation Download Citation

Paul Schiopu, Adrian Manea, Neculai Grosu, Anca-Ileana Craciun, and Alexandru Craciun "Characterization of SAW filters based on GaPO₄", Proc. SPIE 8411, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VI, 841113 (1 November 2012); https://doi.org/10.1117/12.952478

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KEYWORDS

Transducers

Data modeling

Acoustics

Modeling and simulation

Gallium

Optical filters

Network security

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