Inductors

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A 0.73 A/mm3 Switched-Capacitor-Stack-Inductor Volumetric Integrated Voltage Regulator With Auxiliary-Assisted Gain Boosting for High-Power-Density PoL Applications

A 0.73 A/mm3 Switched-Capacitor-Stack-Inductor Volumetric Integrated Voltage Regulator With Auxiliary-Assisted Gain Boosting for High-Power-Density PoL Applications 150 150
Author(s): Xuliang Wang, Renwei Chen, Haoyu Wang, Yang Liu, Wing-Hung Ki, Yan Wang, Xiaosen Liu

Abstract:

This article presents a volumetric integrated voltage regulator (IVR) based on a switched-capacitor-stack-inductor (SCSL) architecture that employs a holistic topology-control-package codesign to overcome the hardware and efficiency bottlenecks of conventional asymmetric multiinductor designs. Based on a discrete-time state-space model, a rigorous root-locus analysis reveals that a rudimentary single voltage-mode control …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 5825 – 5837
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3713507
Publisher: IEEE

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A Multi-Channel Thermoelectric Energy Harvesting Interface Realizing Uneven-Input MPPT and 62-mV Start-Up

A Multi-Channel Thermoelectric Energy Harvesting Interface Realizing Uneven-Input MPPT and 62-mV Start-Up 150 150
Author(s): Yunzhe Yang, Mo Huang, Sijun Du

Abstract:

A thermoelectric energy harvesting (TEH) interface for applications using multiple thermoelectric generators (TEGs) is proposed. To improve the maximum power point tracking (MPPT) efficiency under uneven temperature distributions across a large surface, the TEH interface employs a single-inductor multi-channel architecture that individually harvests energy from each TEG. Furthermore, it incorporates …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3733544
Publisher: IEEE

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Analysis and Design of a 2–8 GHz Eight-Phase N-Path Passive Mixer-First Receiver With Overlapping LO Signals and Harmonic Loss Suppression

Analysis and Design of a 2–8 GHz Eight-Phase N-Path Passive Mixer-First Receiver With Overlapping LO Signals and Harmonic Loss Suppression 150 150
Author(s): Shimin Huang, Sanaz Sadeghi, Alyosha C. Molnar

Abstract:

This article presents a technique for suppressing the effects of overlapping LO signals in an eight-phase N-path passive mixer-first receiver. In particular, an architecture for an eight-phase mixer is presented, allowing the receiver to operate at higher frequencies with overlapping 25% duty-cycle LO pulses without incurring significant degradation in loss or …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 11
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3726862
Publisher: IEEE

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A High-Voltage Symbol-Power-Tracking Supply Modulator for 5G GaN Power Amplifiers

A High-Voltage Symbol-Power-Tracking Supply Modulator for 5G GaN Power Amplifiers 150 150
Author(s): Changjin Chen, Minghao Shang, Yichao Ji, Qingqing Min, Chunyue Bo, Lin Cheng

Abstract:

This article presents a high-voltage symbol-power-tracking supply modulator (SPT-SM) that delivers a wide output range for 5G gallium nitride (GaN) power amplifiers (PAs). To enhance the output voltage transition speed, a two-step subranging dynamic voltage scaling (DVS) scheme and an inductor current slew-rate enhancement technique are proposed. By partitioning the …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3731511
Publisher: IEEE

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A Line-Connected Q-Sampler-Based Multi-Phase Hybrid Converter

A Line-Connected Q-Sampler-Based Multi-Phase Hybrid Converter 150 150
Author(s): Jiacheng Yang, Zihao Tang, Rui P. Martins, Zheng Wang, Lin Cheng, Mo Huang

Abstract:

This article presents a line-connected Q-sampler-based (LQS) multi-phase (MP) hybrid converter for direct conversion from high-rail to point-of-load (PoL). The proposed topology uses an input-parallel switched-capacitor (SC) structure to support “ALL-ON” operation during load transients, while a “multi-source- ${V}_{\mathrm { X}}$ ” control decouples voltage conversion ratio (VCR) from phase count, …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3718696
Publisher: IEEE

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A Three-Level Dual-Path Hybrid Buck Converter With Mitigated Capacitive Current and Seamless DVS Across a Wide Output Voltage Range

A Three-Level Dual-Path Hybrid Buck Converter With Mitigated Capacitive Current and Seamless DVS Across a Wide Output Voltage Range 150 150
Author(s): Jae-Hyun Kim, Jun-Gi Lee, Hyunki Han, Hyun-Sik Kim

Abstract:

This article presents a three-level dual-path (TLDP) buck converter tailored for mobile application processors (APs) with a 1.8-V input and 0.4–1.5-V output range. Conventional buck (CB) and multi-level buck (MLB) converters suffer from prohibitive DC resistance ( $R_{\mathrm {DCR}}$ ) losses in compact inductors as load current increases. Although various multi-path …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3710310
Publisher: IEEE

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Design and Analysis of a 13.7–41 GHz Ultra-Wideband Frequency Doubler With Cross-Coupled Push-Push Structure

Design and Analysis of a 13.7–41 GHz Ultra-Wideband Frequency Doubler With Cross-Coupled Push-Push Structure 150 150
Author(s): Kai Li, Keping Wang, Fanyi Meng, Kiat Seng Yeo, Kaixue Ma

Abstract:

This article presents a 13.7–41 GHz ultra-wideband frequency doubler with high efficiency and conversion gain (CG). The proposed cross-coupled push-push structure, in conjunction with the fourth-order transformer-based resonator and the series gate inductor, collaboratively shapes the input signal amplitude such that three distinct peaks emerge at different frequencies, thereby significantly improving …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3667289
Publisher: IEEE

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1–1.7-GHz Single-Voltage-Controlled Tunable MMIC BPF With Over 45-dB Rejection to 30 GHz Using Tapped Inductor Technique

1–1.7-GHz Single-Voltage-Controlled Tunable MMIC BPF With Over 45-dB Rejection to 30 GHz Using Tapped Inductor Technique 150 150
Author(s): Di Lu, Menghan Sun, Baoqi Zhu, Xin Jiang, Ming Yu

Abstract:

This article presents a novel fourth-order single-voltage-controlled (SVC) tunable monolithic microwave integrated circuit (MMIC) bandpass filter (BPF) for tunable filter bank applications. Utilizing the tapped inductor technique (TIT), the proposed filter achieves compact magnetic coupling with reduced loss, avoiding the use of bulky inductor- or transformer-based coupling structures. The filter …

Published in: IEEE Solid-State Circuits Letters
Page(s): 105 – 108
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3668386
Publisher: IEEE

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A 4 × 224 Gb/s Single-Ended PAM-4 Transceiver Front-End With Noise Suppression Technique and Cascaded Equalizers in 130-nm SiGe BiCMOS

A 4 × 224 Gb/s Single-Ended PAM-4 Transceiver Front-End With Noise Suppression Technique and Cascaded Equalizers in 130-nm SiGe BiCMOS 150 150
Author(s): Xiongshi Luo, Xuewei You, Zhenghao Li, Hongzhi Wu, Yangyi Zhang, Fuzhan Chen, Xuxu Cheng, Wentao Zhou, Quan Pan

Abstract:

A dc-coupled analog single-ended (SE) transceiver (TRX) front-end supporting 224 Gb/s/lane is presented. It features SE-to-differential (S2D) and differential-to-SE (D2S) conversion, power-efficient broadband analog equalization, and noise suppression. Both the transmitter and receiver front-ends adopt pseudodifferential structures with dual-loop regulators to achieve a high power supply rejection …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 10
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3644437
Publisher: IEEE

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