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[Author] Jiri HAZE(1hit)

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  • Sensor Signal Digitization Utilizing a Band-Pass Sigma-Delta Modulator

    Lukas FUJCIK  Linus MICHAELI  Jiri HAZE  Radimir VRBA  

     
    LETTER

      Vol:
    E92-C No:6
      Page(s):
    860-863

    This paper presents a system architecture for sensor signal digitization utilizing a band-pass sigma-delta modulator (BP ΣΔM). The first version of the proposed system architecture was implemented in 5 V 0.7 µm CMOS technology. The proposed system architecture is useful for our capacitive pressure sensor measurement. The paper describes the possibilities of using the proposed enhanced system architecture in impedance spectroscopy and in capacitive pressure sensor measurement. The BP ΣΔM is well suited for wireless applications. This paper shows another way how to use its advantages.