Radio frequency

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A Low-Power 10Mbps Squaring-First UWB Receiver Using Frequency Hopping and Two-Tone Modulation

A Low-Power 10Mbps Squaring-First UWB Receiver Using Frequency Hopping and Two-Tone Modulation 150 150
Author(s): Lexie Drackley, Aman Gupta, David D. Wentzloff

Abstract:

This paper presents a low-power 10Mbps squaring-first ultra-wideband (UWB) receiver using frequency hopping code-division multiple-access (FH-CDMA) and two-tone OOK modulation for wireless personal area networks (WPAN). The two-tone receiver architecture preserves IF filtering, improves resilience to narrowband interference, and saves power by eliminating the RF local oscillator. FH is applied …

Published in: IEEE Solid-State Circuits Letters
Page(s): 1 – 1
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3716852
Publisher: IEEE

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An IEEE802.15.4a/z/ab Compatible IR-UWB 2TRX With Full-Duplex Radar Sensing and Aliasing Suppressing Semisynchronous TX

An IEEE802.15.4a/z/ab Compatible IR-UWB 2TRX With Full-Duplex Radar Sensing and Aliasing Suppressing Semisynchronous TX 150 150
Author(s): Anoop Narayan Bhat, Erwin Allebes, Elbert Bechthum, Zule Xu, Stan van der Ven, Mohieddine El Soussi, Johan van Den Heuvel, Paul van Zeijl, Paul Mateman, Murat Eskiyerli, Stefano Traferro, Amirashkan Farsaei, Evgenii Tiurin, Sahan Gamage, Pepijn Boer, Igor Petrov, Jochem Govers, Huib Visser, Martijn Hijdra, Sharada Prasad Shantharam, Ivo Marques, Gururaja Kasanadi Ramachandra, Kaijie Ding, Ran Li, Aasish Boora, Peter Vis, Mario Konijnenburg, Arjan Breeschoten, Peng Zhang, Yao-Hong Liu, Christian Bachmann

Abstract:

This letter presents an 802.15.4ab/a/z compatible IR-UWB 2TRX highlighting a full-duplex-based radar, a semisynchronous TX and TRX’s digital baseband. A capacitive tuning technique proposed in the electrical balance duplexer (EBD)-based duplex RF front-end (RF-FE) improves TX-antenna insertion loss by 1.4 dB and the sensitivity of TX–RX …

Published in: IEEE Solid-State Circuits Letters
Page(s): 190 – 193
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3697493
Publisher: IEEE

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A Tunable RF Self-Interference Canceller With Highly Accelerated, Machine-Learning-Based Adaptation for Full-Duplex Radio Applications

A Tunable RF Self-Interference Canceller With Highly Accelerated, Machine-Learning-Based Adaptation for Full-Duplex Radio Applications 150 150
Author(s): Xichen Li, Ahmed Refaat Aboulsaad, Elpida Karapepera, Yi-Hsiang Huang, Po-Hao Cheng, Charles Chien, Jacques Christophe Rudell

Abstract:

Future full-duplex (FD) radio systems require highly tunable self-interference (SI) cancellers with rapid adaptation to mitigate dynamic SI profiles in wireless environments. This article presents a 2.4-GHz RF SI canceller chip with extensive tuning capabilities that operates with a machine-learning (ML)-augmented adaptation loop for FD transceivers. The proposed design …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3715631
Publisher: IEEE

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An Extendable Wideband Band-Divided SPnT Switch Topology Based on a Reconfigurable Pole-to-Throw Network

An Extendable Wideband Band-Divided SPnT Switch Topology Based on a Reconfigurable Pole-to-Throw Network 150 150
Author(s): Zhaowu Wang, Hao Ning, Xinyan Li, Ze Yu, Qiliang Li, Xiaochen Tang, Yong Wang

Abstract:

This article presents an extendable wideband band-divided SP $n$ T switch topology based on a reconfigurable pole-to-throw network (RPTN). Compared to conventions, it mitigates the loss degradation resulting from complex signal routing in advanced RF front-ends. This is enabled by the RPTN, which divides the throws into low-/mid-/high-band (…

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3711644
Publisher: IEEE

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A 32-Channel 85.4 dB SNDR Time-Multiplexed Neural Recording Front-End Achieving Within-Conversion Artifact Recovery

A 32-Channel 85.4 dB SNDR Time-Multiplexed Neural Recording Front-End Achieving Within-Conversion Artifact Recovery 150 150
Author(s): Arindam Mandal, Chi-Hsiang Huang, Julian Arenas, Wei-En Lee, Kevin D. Patino-Sosa, Philip Anschutz, Amanda Jacob, Keshav Ramachandra, Samuel Sober, Muhannad S. Bakir, Shaolan Li, Visvesh S. Sathe

Abstract:

This article presents a 32-channel time-multiplexed highly digital neural recording front-end (RFE) that exhibits sub- $8.8~\mu $ s recovery latency from large stimulation artifacts while delivering high-resolution data at the Nyquist rate. The RFE is time-shared across 32 channels for low-frequency electrocorticography (ECoG) recording and across four channels for high-frequency action potentials (…

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1053 – 1067
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3643367
Publisher: IEEE

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A 24.5–45.2-GHz Low-Jitter Compact Differentially Injection-Locked Clock Multiplier With Folded-Inductor-Based Magnetic-Flux Cancellation

A 24.5–45.2-GHz Low-Jitter Compact Differentially Injection-Locked Clock Multiplier With Folded-Inductor-Based Magnetic-Flux Cancellation 150 150
Author(s): Feifan Hong, Jiawen Chen, Pingda Guan, Sayan Kumar, Robert Bogdan Staszewski, Teerachot Siriburanon

Abstract:

In this article, we present a differentially injection-locked clock multiplier (ILCM) featuring an ultra-wide frequency tuning range (TR) and low jitter, achieved through a compact folded-inductor-based magnetic-flux cancellation technique. A co-designed series-LC dual-mode quadrature ring oscillator (QRO) and edge-combining frequency doubler operating in the mm-wave band jointly extend the TR …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1410 – 1424
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3640957
Publisher: IEEE

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A 138 Gb/s D-Band 2-D Scalable Transceiver Array With On-Chip Antennas Achieving Sub-1-pJ/b Efficiency in 28-nm Bulk CMOS

A 138 Gb/s D-Band 2-D Scalable Transceiver Array With On-Chip Antennas Achieving Sub-1-pJ/b Efficiency in 28-nm Bulk CMOS 150 150
Author(s): Hesham Beshary, Yikuan Chen, Ali M. Niknejad

Abstract:

This article presents a D-band 2-D scalable phased array that integrates a $2{\,}\times{\,} 2$ transceiving (TRX) radio frequency (RF) beamformer with on-chip antennas (OCAs) and a $\times 16$ local-oscillator (LO) multiplication chain. The 2-D array scalability is demonstrated by tiling $2{\,}\times{\,} 2$ chips into an array using a low-cost package to build a 16…

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3704818
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 6.3–18.4GHz 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): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3698025
Publisher: IEEE

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A Ka-Band Time-Modulated Phase-Invariant Variable-Gain Amplifier With 30-dB Gain Tuning Based on Duty-Cycle Control

A Ka-Band Time-Modulated Phase-Invariant Variable-Gain Amplifier With 30-dB Gain Tuning Based on Duty-Cycle Control 150 150
Author(s): Dongfan Xu, Minzhe Tang, Haiyun Gu, Yuxuan Liu, Yilun Chen, Ziyuan Ren, Minghao Fan, Daxu Zhang, Yi Zhang, Duo Li, Zheng Li, Zezheng Liu, Chun Wang, Yudai Yamazaki, Yuncheng Zhang, Kazuaki Kunihiro, Hiroyuki Sakai, Atsushi Shirane, Kenichi Okada

Abstract:

This article presents a time-modulated variable-gain amplifier (VGA) employing a clock-sampling topology governed by a duty-cycle control (DCC) loop. By modulating the effective operation time of the amplifier rather than altering its RF bias conditions, for precise tuning of the clock duty cycle, enabling phase consistency at millimeter-wave frequencies. 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.2026.3695362
Publisher: IEEE

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