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A current-mode interface circuit for a piezoresistive pressure sensor

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6 Author(s)
Samitier, J. ; Fac. de Fisica, Barcelona Univ., Spain ; Puig-Vidal, M. ; Bota, S.A. ; Rubio, C.
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An interfacing circuit for piezoresistive pressure sensors based on CMOS current conveyors is presented. The main advantages of the proposed interfacing circuit include the use of a single piezoresistor, the capability of offset compensation, and a versatile current-mode configuration, with current output and current or voltage input. Experimental tests confirm linear relation of output voltage versus piezoresistance variation

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Instrumentation and Measurement, IEEE Transactions on  (Volume:47 ,  Issue: 3 )