Advanced Circuit Design and Implementation of a Highly Digitalized Third-Order VCO-Based Sigma-Delta Modulator With Enhanced Noise Transfer Function

Advanced Circuit Design and Implementation of a Highly Digitalized Third-Order VCO-Based Sigma-Delta Modulator With Enhanced Noise Transfer Function

This study proposes an advanced circuit design to implement a highly digitalized current input third-order sigma-delta modulator (SDM) with enhanced noise transfer function (NTF). The proposed current input SDM can directly quantize current-type signals without any trans-impedance amplifier. Noise s...

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Bibliographic Details
Main Authors: Shuenn-Yuh Lee, Yi-Ting Hsieh, Ju-Yi Chen
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Analog-to-digital converter
current-sensing technique
voltage-controlled oscillator-based sigma-delta modulator
Chebyshev transfer function
proportional-integral structure
analog front-end
Online Access:https://ieeexplore.ieee.org/document/10843677/
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https://ieeexplore.ieee.org/document/10843677/

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