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Time-Division Multiplexing Architecture for Hybrid Filter Bank A/D converters

Abstract : In this paper, a new Hybrid Filter Bank (HFB) architecture called Time-Division Multiplexing (TDM) is proposed for HFB-based A/D Converters (ADC). The TDM HFB architecture is firstly extracted considering the TDM components of analog input as new input vector. The TDM HFB-based ADC is then simulated using simply-realizable analysis filters to approve the mathematical formulation of the TDM model. At last, the output resolutions of TDM and classical HFB-based ADC are compared considering practical analog filters including realization errors. It is shown that the TDM architecture is less sensitive to the realization errors than the classical HFB. Besides, the TDM HFB can exploit a blind technique to correct the realization errors in opposite to the classical HFB case.
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https://hal-supelec.archives-ouvertes.fr/hal-00261832
Contributor : Karine El Rassi <>
Submitted on : Monday, March 10, 2008 - 9:48:18 AM
Last modification on : Tuesday, June 30, 2020 - 4:04:07 PM
Long-term archiving on: : Friday, September 28, 2012 - 10:56:04 AM

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  • HAL Id : hal-00261832, version 1

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Davud Asemani, Jacques Oksman. Time-Division Multiplexing Architecture for Hybrid Filter Bank A/D converters. 50th IEEE Midwest Symposium on Circuits and Systems, Aug 2007, Montréal, Canada. pp.405-408. ⟨hal-00261832⟩

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