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    Author(s)
    Display Name
    Javad Gorji
    Affiliation
    Affiliation
    Instituto de Microelectronica de Sevilla, IMSE-CNM (CSIC/Universidad de Sevilla)
    Display Name
    Shanthi Pavan
    Affiliation
    Affiliation
    Indian Institute of Technology Madras
    Affiliation
    Affiliation
    Instituto de Microelectronica de Sevilla
    Abstract

    This paper investigates finite impulse response (FIR) feedback in bandpass delta-sigma modulators (BP-DSMs). FIR feedback in lowpass delta-sigma modulators (LP-DSMs) improves loop filter linearity and reduces the sensitivity of the modulator to clock jitter. We show that similar benefits can be obtained in a BP-DSM if the FIR filter in the feedback path is made a bandpass one.