Pressure DetectorsPRESSURE DETECTION CIRCUITRYCapacitive-TypeTransducersCapacitive-type transducers, illustrated in Figure 9, consist of two flexible conductive plates anda dielectric. In this case, the dielectric is the fluid.Figure 9 Capacitive Pressure TransducerAs pressure increases, the flexible conductive plates will move farther apart, changing thecapacitance of the transducer. This change in capacitance is measurable and is proportional tothe change in pressure.Rev. 0 Page 11 IC-02
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