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    Chapter

    From Handheld Devices to Near-invisible Sensors: The Road to Pervasive e-Health

    Pervasive computing refers to the increasing integration of information and communication technologies into people’s lives and environments. In particular, pervasive technologies have been identified as a stro...

    J. L. Ausín, J. F. Duque-Carrillo, J. Ramos… in Pervasive and Mobile Sensing and Computing… (2013)

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    Article

    A 1-MHz Area-Efficient On-Chip Spectrum Analyzer for Analog Testing

    This paper presents a 0.35-μm CMOS on-chip spectrum analyzer based on switched-capacitor (SC) techniques. The prototype device utilizes a 3-V supply and basically includes an SC sine-wave generator, a fourth-o...

    M. A. Domínguez, J. L. Ausín, J. F. Duque-Carrillo… in Journal of Electronic Testing (2006)

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    Article

    Series/Parallel Time-Multiplexed Switched-Capacitor Filters with Programmability Based on Non-Uniform Sampling

    This paper presents an improved scheme for programmable time-multiplexed (TM) switched-capacitor (SC) filters. The proposed approach uses a novel sampling technique, which eliminates the need for resolution/ar...

    J. L. Ausín, G. Torelli… in Analog Integrated Circuits and Signal Proc… (2006)

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    Article

    Input/Output Rail-to-Rail CMOS Operational Amplifier with Shaped Common-Mode Response

    This paper presents an input/output rail-to-rail class-AB CMOS operational amplifier with reduced variations in unity-gain frequency over the entire voltage range. The rail-to-rail amplifier input stage is bas...

    J. F. Duque-Carrillo, J. M. Carrillo… in Analog Integrated Circuits and Signal Proc… (2003)

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    Article

    High-Selectivity Switched-Capacitor Bandpass Filter with Quasi-Continuous Quality Factor Tunability

    This paper describes the design and implementation of a second-order switched-capacitor (SC) bandpass (BP) filter with very wide quality factor (Q) programmability range. The filter selectivity is digitally progr...

    J. L. Ausín, J. F. Duque-Carrillo… in Analog Integrated Circuits and Signal Proc… (2002)

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    Article

    Control of the common-mode component in CMOS continuous-time fully differential signal processing

    A general description of fully differential (FD) amplifiers with common-mode feedback (CMFB) network is carried out in this article. The general requirements that any CMFB loop must satisfy allow us to deduce ...

    J. F. Duque-Carrillo in Analog Integrated Circuits and Signal Processing (1993)