Abstract
The operation principles of surface acoustic wave filters (SAW) and materials and technology of their fabrication are presented. A special attention is paid to wide and diverse applications of SAW filters in signal processing, communications and chemical sensors, stressing their military applications. An original method, developed by the authors, for the modeling and prediction of SAW filter characteristics is presented. The abilities of the method are illustrated by the examples of chemical SAW sensors for the detection of warfare chemical agents. The designed and fabricated SAW filter PAT-FPO is the base for the special purpose chemical sensors.
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