Wireless Readout of Passive LC Sensors

This paper reports simple yet precise equations for automated wireless measurement of the resonance frequency, Q -factor, and coupling coefficient of inductively coupled passive resonant LC circuits. This allows remote sensing of all physical and chemical quantities that can be measured with capacit...

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Veröffentlicht in:	IEEE transactions on instrumentation and measurement 2010-09, Vol.59 (9), p.2450-2457
Hauptverfasser:	Nopper, R, Niekrawietz, R, Reindl, L
Format:	Artikel
Sprache:	eng
Schlagworte:	Capacitance transducers Chemical transducers Circuits Coupling circuits Coupling coefficients Dipping Equations Frequency measurement inductive coupling Instrumentation LC circuits Mathematical analysis Measuring instruments Q measurement remote sensing Resonance resonance detection Resonant frequency RLC circuits Sensor systems Sensors telemetry Transducers Wireless sensor networks
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