Piecewise Linear Operators on Sigma-Delta Modulated Signals and Their Application

Hisato FUJISAKA; Yuji HIDAKA; Singo KAJITA; Mititada MORISUE

Piecewise Linear Operators on Sigma-Delta Modulated Signals and Their Application

Hisato FUJISAKA, Yuji HIDAKA, Singo KAJITA, Mititada MORISUE

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Piecewise linear (PWL) circuit modules operating on sigma-delta (ΣΔ) modulated signals and nonlinear signal processors built of these modules are proposed. The proposed module library includes absolute circuits, min/max selectors and negative resistances. Their output signal-to-noise ratio is higher than 50dB when their oversampling ratio is 2⁸. A nonlinear filter and a stochastic resonator are presented as applications of the PWL modules to ΣΔ domain signal processing. The filter is structured with 37% of logic gates consumed by an equivalent filter with a 5-bit parallel signal form.

Publication: IEICE TRANSACTIONS on Fundamentals Vol.E86-A No.5 pp.1249-1255

Publication Date: 2003/05/01

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Type of Manuscript: PAPER

Category: Nonlinear Problems

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Hisato FUJISAKA, Yuji HIDAKA, Singo KAJITA, Mititada MORISUE, "Piecewise Linear Operators on Sigma-Delta Modulated Signals and Their Application" in IEICE TRANSACTIONS on Fundamentals, vol. E86-A, no. 5, pp. 1249-1255, May 2003, doi: .
Abstract: Piecewise linear (PWL) circuit modules operating on sigma-delta (ΣΔ) modulated signals and nonlinear signal processors built of these modules are proposed. The proposed module library includes absolute circuits, min/max selectors and negative resistances. Their output signal-to-noise ratio is higher than 50dB when their oversampling ratio is 2⁸. A nonlinear filter and a stochastic resonator are presented as applications of the PWL modules to ΣΔ domain signal processing. The filter is structured with 37% of logic gates consumed by an equivalent filter with a 5-bit parallel signal form.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/e86-a_5_1249/_p

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@ARTICLE{e86-a_5_1249,
author={Hisato FUJISAKA, Yuji HIDAKA, Singo KAJITA, Mititada MORISUE, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Piecewise Linear Operators on Sigma-Delta Modulated Signals and Their Application},
year={2003},
volume={E86-A},
number={5},
pages={1249-1255},
abstract={Piecewise linear (PWL) circuit modules operating on sigma-delta (ΣΔ) modulated signals and nonlinear signal processors built of these modules are proposed. The proposed module library includes absolute circuits, min/max selectors and negative resistances. Their output signal-to-noise ratio is higher than 50dB when their oversampling ratio is 2⁸. A nonlinear filter and a stochastic resonator are presented as applications of the PWL modules to ΣΔ domain signal processing. The filter is structured with 37% of logic gates consumed by an equivalent filter with a 5-bit parallel signal form.},
keywords={},
doi={},
ISSN={},
month={May},}

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TY - JOUR
TI - Piecewise Linear Operators on Sigma-Delta Modulated Signals and Their Application
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 1249
EP - 1255
AU - Hisato FUJISAKA
AU - Yuji HIDAKA
AU - Singo KAJITA
AU - Mititada MORISUE
PY - 2003
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E86-A
IS - 5
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - May 2003
AB - Piecewise linear (PWL) circuit modules operating on sigma-delta (ΣΔ) modulated signals and nonlinear signal processors built of these modules are proposed. The proposed module library includes absolute circuits, min/max selectors and negative resistances. Their output signal-to-noise ratio is higher than 50dB when their oversampling ratio is 2⁸. A nonlinear filter and a stochastic resonator are presented as applications of the PWL modules to ΣΔ domain signal processing. The filter is structured with 37% of logic gates consumed by an equivalent filter with a 5-bit parallel signal form.
ER -