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A reduced hardware ISI and mismatch shaping DEM decoder

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posted on 2017-10-31, 13:02 authored by Vincent O'Brien, Anthony G. Scanlan, BRENDAN MULLANEBRENDAN MULLANE
This paper presents a dynamic element matching (DEM) decoder incorporating both intersymbol interference (ISI) and mismatch error shaping. From the analysis of ISI error in multi-bit DACs, an algorithm is developed that deterministically controls the element transitions, such that on each conversion cycle the instantaneous number of on transitions is set to a constant value, while the instantaneous number of off transitions varies with the decoder input signal. The technique achieves greater ISI error mitigation than previous approaches using less hardware. To further reduce the logic area, a hierarchical DEM structure, whereby the DEM decoder is split into multiple sub-DEM decoders, is presented.

Funding

Study on Aerodynamic Characteristics Control of Slender Body Using Active Flow Control Technique

Japan Society for the Promotion of Science

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History

Publication

Circuits Systems and Signal Processing; 37 (6), pp. 2299-2317

Publisher

Springer

Note

peer-reviewed

Other Funding information

EI, ERC

Rights

The original publication is available at www.springerlink.com

Language

English

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