Measurement

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A Sensing-Security Co-Design Based on Intrinsic Device Variations for Self-Authenticating Sensors

A Sensing-Security Co-Design Based on Intrinsic Device Variations for Self-Authenticating Sensors 150 150
Author(s): Ruochen Wang, Tetsuya Hirose, Jun Shiomi, Yoshihiro Midoh, Takuji Miki, Makoto Nagata, Noriyuki Miura

Abstract:

This article presents an extended analog signature framework (ASF) that realizes sensing-security co-design by embedding authentication directly within the sensor analog front-end. Building on prior work, the extended design addresses entropy stabilization and structural periodicity through refined selection and measurement-bound feedback. Intrinsic transistor-level mismatches are reused as resources for authenticating, …

Published in: IEEE Solid-State Circuits Letters
Page(s): 246 – 249
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3725256
Publisher: IEEE

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A 40-Gb/s 8-mW-OMA GaN-Based 1-to-N VCSEL Driver for Parallel and Wireless Optical Transmitter Frontends

A 40-Gb/s 8-mW-OMA GaN-Based 1-to-N VCSEL Driver for Parallel and Wireless Optical Transmitter Frontends 150 150
Author(s): S. Sarah Feng, Fuzhan Chen, H. Bruce Bao, R. Matthew Ma, Kangping Zhong, P. T. Alan Lau, C. Patrick Yue

Abstract:

This letter presents a broadband, high-optical modulation amplitude (OMA) GaN-based 1-to-N VCSEL driver implemented in a 150-nm GaN HEMT process for parallel and wireless optical transmitter frontends. It further compares split-node and conventional VCSEL-driving topologies and analyzes the bandwidth scaling and inter-VCSEL timing skew of series- and parallel-connected VCSEL arrays. …

Published in: IEEE Solid-State Circuits Letters
Page(s): 242 – 245
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3720689
Publisher: IEEE

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A 96 × 64 SPAD LiDAR Sensor With 6× Imaging FoM Promotion by AI-Assisted Fusion of 2-D and Edge-Guided Sparse 3-D Detection

A 96 × 64 SPAD LiDAR Sensor With 6× Imaging FoM Promotion by AI-Assisted Fusion of 2-D and Edge-Guided Sparse 3-D Detection 150 150
Author(s): Bu Chen, Qi Zheng, Zikun Cai, Hankun Lv, Jingyi Wang, Jun Han, Zhangcheng Huang, Jianlu Wang, Qi Liu, Ming Liu

Abstract:

Flash-mode direct time-of-flight (dToF) light detection and ranging (LiDAR) is widely adopted in autonomous systems and robotics due to its capability for accurate depth measurement and robustness under challenging lighting conditions. However, scaling single-photon avalanche diode (SPAD)-based dToF pixel arrays toward higher resolution 3-D imaging introduces significant challenges in …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3714508
Publisher: IEEE

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A Bio-Impedance Readout IC With Phase-Locked Sampling for Real-Time Electrical Impedance Spectroscopy

A Bio-Impedance Readout IC With Phase-Locked Sampling for Real-Time Electrical Impedance Spectroscopy 150 150
Author(s): Seonghyun Park, Song-I Cheon, Haidam Choi, Sein Oh, Sohmyung Ha, Minkyu Je

Abstract:

This article presents an electrical bio-impedance (bioZ) spectroscopy integrated circuit (IC) that achieves both high-throughput and high-accuracy. The proposed phase-locked sampling (PLS) scheme, which employs a sampling phase-locked loop (SPLL) and a reference resistor ( $R_{\textit {REF}}$ ), enables fast and precise impedance demodulation. By extracting the impedance components through sampling …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3704052
Publisher: IEEE

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FeFET-Based CMOS Current Starvation Programmable Delay Element

FeFET-Based CMOS Current Starvation Programmable Delay Element 150 150
Author(s): Albi Mema, Simon Thomann, Hussam Amrouch

Abstract:

Programmable delay elements (PDEs) are crucial circuit building blocks that enable precise timing adjustments of signal transitions. They are used in various critical applications, like time-to-digital converters. They are often used to mitigate aging by clock skew tuning postfabrication. However, typical CMOS PDE designs require many transistors while still offering …

Published in: IEEE Solid-State Circuits Letters
Page(s): 166 – 169
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3692304
Publisher: IEEE

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