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A Broadband Class-E Power Amplifier With Compact Harmonic Suppression Susceptance Compensation Load Network in 110-nm CMOS

A Broadband Class-E Power Amplifier With Compact Harmonic Suppression Susceptance Compensation Load Network in 110-nm CMOS 150 150
Author(s): Kai Yue, Yubing Li, Yujia Chen, Xiuping Li

Abstract:

This letter presents a compact Class-E power amplifier (PA) with broadband and enhanced harmonic suppression performance. The harmonic suppression susceptance compensation (HSSC) Class-E load network is proposed and analyzed to simultaneously achieve broadband fundamental matching and harmonic suppression. Despite its sixth-order $LC$ complexity, the proposed HSSC Class-E load network is …

Published in: IEEE Solid-State Circuits Letters
Page(s): 254 – 257
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3725042
Publisher: IEEE

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A CMOS LNA With an Integrated Direct-Conversion Mixer-Based Power Detector for Low-Power IoT Radio Applications

A CMOS LNA With an Integrated Direct-Conversion Mixer-Based Power Detector for Low-Power IoT Radio Applications 150 150
Author(s): Yunfan Gao, Minghan Liu, Mengting Yan, Cristian Cassella, Miriam Leeser, Marvin Onabajo

Abstract:

This letter presents a 2.8-GHz low-power CMOS low-noise amplifier (LNA) with an embedded self-mixing power detector (PD) for low-overhead RF power monitoring. The detector reuses two existing LNA node voltages as the signal and local oscillator (LO) inputs for direct downconversion mixing, which avoids a dedicated LO generator, coupler, or …

Published in: IEEE Solid-State Circuits Letters
Page(s): 258 – 261
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3725828
Publisher: IEEE

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A Wide-Load-Range FVF-Based LDO With Adaptive Capacitor Amplifier and Ripple-Cancellation Technique for RF Systems

A Wide-Load-Range FVF-Based LDO With Adaptive Capacitor Amplifier and Ripple-Cancellation Technique for RF Systems 150 150
Author(s): Fangming Lou, Haoqiang Deng, Tuo Li, Kai Yuan, Ka Nang Leung, Junmin Jiang, Guoqing Li, Xun Liu

Abstract:

This article proposes a low-dropout regulator (LDO) using a flipped voltage follower (FVF) topology for wide-load-range and low-noise applications. The proposed LDO features a fast load transient response and wide-spectrum power-supply rejection (PSR) performance. To optimize frequency responses at light load and improve PSR performance in the mid-frequency band, an …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3739837
Publisher: IEEE

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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 Low-Quiescent-Current, Low-Ripple Hybrid Converter With Efficient Energy Recycling for Low-Duty-Cycle SoCs

A Low-Quiescent-Current, Low-Ripple Hybrid Converter With Efficient Energy Recycling for Low-Duty-Cycle SoCs 150 150
Author(s): Jianxin Yang, Cheng Huang, Rui P. Martins, Xin Ming, Bo Zhang, Mo Huang

Abstract:

This article presents a modified hybrid Ladder converter for efficient energy recycling in low-duty-cycle systems-on-chip (SoCs) applications. Unlike the conventional schemes that recycle output-capacitor energy back to the battery, the proposed hybrid converter recycles energy into its own capacitors, eliminating battery-recharge losses and improving recycle/recharge efficiency. The design methodology …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3738472
Publisher: IEEE

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A 6.3–18.4 GHz I/Q Receiver With RF and LO Path Reconfigurability for 6G FR3 Applications in 22-nm FD-SOI

A 6.3–18.4 GHz I/Q Receiver With RF and LO Path Reconfigurability for 6G FR3 Applications in 22-nm FD-SOI 150 150
Author(s): Haisu Ju, Yingtao Zou, Gabriel M. Rebeiz

Abstract:

This article presents a 6.3–18.4 GHz in-phase and quadrature (I/Q) direct down-conversion receiver featuring reconfigurability in both the radio frequency (RF) and local oscillator (LO) paths. The receiver comprises a multi-band reconfigurable RF front-end, double-balanced passive I/Q mixers, an I/Q LO generation network with a tunable I/Q …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 4558 – 4571
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3698025
Publisher: IEEE

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One-Cycle-Balance Control in Buck Converters for Consecutive Load-Step Events

One-Cycle-Balance Control in Buck Converters for Consecutive Load-Step Events 150 150
Author(s): Zihao Tang, Jiacheng Yang, Rui P. Martins, Mo Huang

Abstract:

One-cycle-balance (OCB) response represents the optimal load-transient response for buck converters, maximizing system energy efficiency and robustness. While prior art has demonstrated OCB response for single load-step events, it fails in consecutive transients, which are prevalent in modern applications. This work overcomes these limitations by introducing an OCB controller that …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 4975 – 4986
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3697453
Publisher: IEEE

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A Synchronized Phase-Shifted Time-Multiplexed Uplink Wireless Power and Data Transfer System for Implantable Voltammetry

A Synchronized Phase-Shifted Time-Multiplexed Uplink Wireless Power and Data Transfer System for Implantable Voltammetry 150 150
Author(s): Zhenhao Li, Junyao Tang, Nawab Singh, Jianqiang Jiang, Lei Zhao, Wenshuo Zhu, Xuan Sun, Liang Dong, Cheng Huang

Abstract:

Existing single-link wireless power and data transfer (WPDT) systems for implantable biosensors support either closed-loop power regulation or sensor data uplink, but not both simultaneously, resulting in degraded efficiency and restricted sensing. This work presents a 13.56-MHz WPDT system with: 1) a synchronized phase-shifted time-multiplexed uplink scheme enabling TX power regulation …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3730406
Publisher: IEEE

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A Thermally Adaptive Ku-Band Array-Scalable Transmitter Incorporating VSWR-Resilient PA for Ground Terminal Phased-Array Applications

A Thermally Adaptive Ku-Band Array-Scalable Transmitter Incorporating VSWR-Resilient PA for Ground Terminal Phased-Array Applications 150 150
Author(s): Mohamed Eleraky, Alessandro Novello, Giorgio Cristiano, Basem Abdelaziz Abdelmagid, Yuqi Liu, Jianping Zeng, Jinglong Xu, Boce Lin, Jonas Nann, Hangxing Liu, Marco Saif, Niccolò Villaggi, Lavinia Recchioni, Tzu-Yuan Huang, Thomas Burger, Thomas Kleier, Hua Wang

Abstract:

This article presents an eight-channel dual-polarized Ku-band transmitter (Tx) beamformer integrated circuit (BFIC) fabricated in a 22-nm GlobalFoundries FDSOI process. Each channel integrates independent phase and gain control utilizing a 7-bit active phase shifter (PS) and a 5.5-bit attenuator (ATT). To mitigate performance degradation caused by load impedance variations in …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 19
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3727539
Publisher: IEEE

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