switched-capacitor (SC)

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A Low-Voltage-CMOS AC–DC Converter With Series-Capacitor Pre-Regulation and Fine-Grained Capacitance Reallocation for Mains-Powered IoT

A Low-Voltage-CMOS AC–DC Converter With Series-Capacitor Pre-Regulation and Fine-Grained Capacitance Reallocation for Mains-Powered IoT 150 150
Author(s): Jiahao Shi, Xuchu Mu, Qiaobo Ma, Yang Jiang, Rui P. Martins, Pui-In Mak

Abstract:

This article presents a power- and area-efficient switched-capacitor (SC) ac–dc converter in low-voltage (LV) CMOS for mains-powered Internet of Things (IoT) applications. The proposed converter adopts a single-stage series-capacitor architecture with fine-grained pre-rectification regulation, eliminating the need for intermediate high-voltage (HV) dc capacitors or HV dc–dc stages, thereby …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3650592
Publisher: IEEE

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A “No Gain” Direct-Conversion IQ RF-to-Bits Receiver Without Active Linear Amplification

A “No Gain” Direct-Conversion IQ RF-to-Bits Receiver Without Active Linear Amplification 150 150
Author(s): Jeroen Ponte, Roel Plompen, Emiel Zijlma, Eric A. M. Klumperink, Harijot Singh Bindra, Bram Nauta

Abstract:

This work describes a direct-conversion IQ receiver (RX) that does not utilize any active linear (power) amplification, covering its design considerations, prototype implementation, and measurement verification. Only RLC components, MOS transistor (MOST) switches, and comparators are used, leading to several unique design challenges. Key among these are the fact that …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 17
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3611114
Publisher: IEEE

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