Performance optimization of passive SAW sensor

M. Z. Aslam, V. Jeoti, N. H. Hamid, A. F. Malik
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Abstract

This paper focuses on design and performance optimization of SAW devices. A two-port delay-line structure on top of 128YX lithium niobate and ST-X Quartz was fabricated with uniform IDTs. Frequency dependent simulations were conducted on the device. The fabricated devices were characterized, analyzed and discussed is this paper. Moreover, to optimize the performance of the SAW device, impedance mismatch in SAW device was compensated by designing a proper impedance matching circuit. The ADS simulation was performed to simulate the matching circuit. The obtained results are analyzed to help in the future development and modelling of these kind of devices as application specific sensor.
无源SAW传感器性能优化
本文主要研究声表面波器件的设计和性能优化。采用均匀IDTs在128YX铌酸锂和ST-X石英上制备了双端口延迟线结构。对该装置进行了频率相关的仿真。本文对所制备的器件进行了表征、分析和讨论。此外,为了优化声表面波器件的性能,通过设计合适的阻抗匹配电路来补偿声表面波器件中的阻抗失配。通过ADS仿真对匹配电路进行仿真。对所得结果进行了分析,以帮助这类器件作为专用传感器的未来开发和建模。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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