Interface circuits for quartz-crystal-microbalance sensors
- 1 May 1999
- journal article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 70 (5) , 2537-2545
- https://doi.org/10.1063/1.1149788
Abstract
The utilization of quartz-crystal-microbalance sensors in liquids yields new requirements to the applied interface circuits. In the present article, the fundamentals of the measuring principle and advantages and drawbacks of suitable interface circuits are discussed. Special requirements of oscillators as interface circuits are outlined. Possible solutions to those requirements are investigated and two recently developed oscillator circuits are presented.Keywords
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