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  1. No Access

    Article

    Design Optimisation of Plasmonic Metasurfaces for Mid-Infrared High-Sensitivity Chemical Sensing

    In this paper, we report on a general method to optimise the optical characteristics of 2D-arrays of plasmonic gold nanoantennas performing as band-pass filter functionalised metasurfaces to be used as high-se...

    A. De Marcellis, E. Palange, M. Janneh, C. Rizza, A. Ciattoni, S. Mengali in Plasmonics (2017)

  2. No Access

    Chapter and Conference Paper

    Integrable Electronic Interface for Chemical Sensor Management

    Metal oxide (MOX) gas sensors are widely used in electronic noses because of the small size, long life time and low cost. To improve compactness and lower the cost of electronic noses, simple and integrable in...

    A. Depari, A. De Marcellis, A. Flammini, G. Ferri in Sensors (2014)

  3. No Access

    Chapter and Conference Paper

    A New Fast-Readout Front-End for High Resistive Chemical Sensor Applications

    Metal oxide (MOX) gas sensors show a resistive value varying in a wide range, from hundreds of kilohms up to tens of gigohms. For this reason, oscillating circuits are often used to interface these sensors. Si...

    A. Depari, A. Flammini, D. Marioli, E. Sisinni, A. De Marcellis… in Sensors and Microsystems (2010)

  4. No Access

    Chapter and Conference Paper

    A Differential Difference Current-Conveyor (DDCCII) Based Front-End for Integrable and Portable Sensor Applications

    In this work we propose a very low voltage low power Differential Difference Amplifier based current conveyor (DDCCII) for the readout of the voltage value coming from potentiometric sensors and to be used in ...

    A. De Marcellis, C. Di Carlo, G. Ferri, V. Stornelli… in Sensors and Microsystems (2010)

  5. No Access

    Chapter and Conference Paper

    A Novel Calibration-Less CCII-Based Resistance-to-Time Front-End for Gas Sensor Interfacing

    We present a novel current–mode fully–integrable oscillating circuit for the interfacing of resistive gas sensors, using a reduced number of active blocks, in particular low voltage low power Second Generation...

    A. De Marcellis, C. Di Carlo, G. Ferri, V. Stornelli, A. Depari… in Sensors and Microsystems (2010)

  6. No Access

    Article

    The VCG-CCII: a novel building block and its application to capacitance multiplication

    A new current mode building block named voltage and current gain second generation current conveyor (VCG-CCII) is introduced. The voltage and current buffers of the standard CCII are replaced by voltage and cu...

    A. De Marcellis, G. Ferri, N. C. Guerrini… in Analog Integrated Circuits and Signal Proc… (2009)