An ultra-low-voltage VCO-based ΔΣ modulator using self-compensated current reference for variation tolerance

This paper introduces a voltage-controlled-oscillator-based (VCO-based) first-order delta-sigma (ΔΣ) modulator that uses a novel current reference to improve the robustness of the modulator at ultra-low operating voltages. The proposed current reference harnesses the difference in transistor charact...

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Bibliographic Details
Main Authors: Narasimman, Neelakantan, Kim, Tony Tae-Hyoung
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2021
Subjects:
Online Access:https://hdl.handle.net/10356/154553
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Institution: Nanyang Technological University
Language: English