ACOUSTIC NETWORK ANALYSIS AND EQUIVALENT-CIRCUIT SIMULATION OF THE THICKNESS-SHEAR MODE ACOUSTIC-WAVE SENSOR IN THE LIQUID-PHASE

被引：17

作者：

YANG, MS ^{[1
]}

THOMPSON, M ^{[1
]}

机构：

[1] UNIV TORONTO,DEPT CHEM,TORONTO M5S 1A1,ON,CANADA

来源：

ANALYTICA CHIMICA ACTA | 1993年 / 282卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

SENSORS; PIEZOELECTRIC SENSORS; ACOUSTIC WAVE SENSORS; EQUIVALENT CIRCUIT; NETWORK ANALYSIS;

D O I：

10.1016/0003-2670(93)80114-Z

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Network analysis of the behavior of the thickness-shear mode (TSM) acoustic wave sensor is validated and the ability of the Butterworth-Van Dyke (BVD) equivalent circuit to describe the electrical characteristics of the sensor was examined under various conditions. The results demonstrate that the impedance of the quartz crystal can be measured when one or both sides of the device are immersed in a viscous liquid or a conductive solution. The equivalent circuit is satisfactory in simulating the impedance characteristics of the TSM sensor in the liquid phase under most conditions except for total immersion of the sensor in highly viscous or conductive liquids. It is shown that the frequency response of the TSM device depends on individual crystals and experimental configurations.

引用

页码：505 / 515

页数：11

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[1] MULTIPLE CHEMICAL INFORMATION FROM THE THICKNESS SHEAR MODE ACOUSTIC-WAVE SENSOR IN THE LIQUID-PHASE
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