Power capacitors

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A Multiband Ultralow-Power Transceiver With Two-Step Wake-Up Reception

A Multiband Ultralow-Power Transceiver With Two-Step Wake-Up Reception 150 150
Author(s): Thinh Tran-Dinh, Hafiz Usman Mahmood, Jinglong Xu, Keun-Mok Kim, Kyung-Sik Choi, Jaeheon Lee, Jinho Ko, Sang-Gug Lee, Jusung Kim

Abstract:

This letter presents a multiband fully integrated ultralow-power (ULP) transceiver with a two-step wake-up receiver (WuRX) and switched-capacitor (SC)-based high-efficiency transmitter. Operating from 200 MHz to 1 GHz, the transceiver covers most IoT applications on a single chip. By employing a novel two-step wake-up scheme with a rotating correlator, the proposed …

Published in: IEEE Solid-State Circuits Letters
Page(s): 133 – 136
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3681917
Publisher: IEEE

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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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