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A Single-Transducer Ultrasound System for Concurrent Power Harvesting and Adaptive Backscatter Communication in Bio-Implants

A Single-Transducer Ultrasound System for Concurrent Power Harvesting and Adaptive Backscatter Communication in Bio-Implants 150 150
Author(s): Conghao Gao, Weiran Chen, Zhenghao Li, Yiqing Lan, Chenyuan Zhang, Yida Li, Yipeng Lu, Longyang Lin, Jiamin Li

Abstract:

Bioelectronic implants have enabled precise and closed-loop interfacing with biological systems to diagnose, monitor, and treat disorders. A critical challenge for these chronically implanted systems is the design of a robust, real-time wireless data uplink and a continuous, efficient wireless power delivery link within a severely constrained form factor. Ultrasound, …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3690876
Publisher: IEEE

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A Nonvolatile AI-Edge Processor With Lossless-Compressed-Computing STT-MRAM Near-Memory-Compute Macro Using Dynamic Floating-/Fixed-Point Accumulation

A Nonvolatile AI-Edge Processor With Lossless-Compressed-Computing STT-MRAM Near-Memory-Compute Macro Using Dynamic Floating-/Fixed-Point Accumulation 150 150
Author(s): De-Qi You, Win-San Khwa, Bo Zhang, Jui-Jen Wu, Chuan-Jia Jhang, Guan-Yi Lin, Po-Jung Chen, Ting-Chien Chiu, Fang-Yi Chen, Andrew Lee, Yu-Cheng Hung, Chung-Chuan Lo, Ren-Shuo Liu, Chih-Cheng Hsieh, Kea-Tiong Tang, Yu-Der Chih, Tsung-Yung Jonathan Chang, Meng-Fan Chang

Abstract:

Nonvolatile AI-edge processors based on near-memory-compute (nvNMC) enable energy-efficient multiply-and-accumulate (MAC) operations with short wakeup latency for edge inference operations. Lossless compression is required for floating-point (FP) neural network (NN) models under on-chip memory capacity constraints; however, this imposes several challenges: 1) data decompression overhead due to lossless FP weight encoding; 2) …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3705432
Publisher: IEEE

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A Capacitor-Free Hybrid-Process Low Dropout Regulator With Ultrahigh-Gain Amplifier and Super Source Follower for 0.297 mV/A Load Regulation and 0.024 mV/V Line Regulation

A Capacitor-Free Hybrid-Process Low Dropout Regulator With Ultrahigh-Gain Amplifier and Super Source Follower for 0.297 mV/A Load Regulation and 0.024 mV/V Line Regulation 150 150
Author(s): Yu-Ting Huang, Xiao-Quan Wu, Chi-Yu Chen, Po-Jui Chiu, Chien-Wei Cho, Tz-Wun Wang, Ke-Horng Chen, Ying-Hsi Lin, Shian-Ru Lin, Tsung-Yen Tsai, Sheng-Hsi Hung, Chih-Fang Huang, Philex Ming-Yan Fan, Tsorng-Juu Liang, Hann-Huei Tsai

Abstract:

The proposed capacitor-free hybrid-process low-dropout regulator (LDO) achieves 900-mA maximum current capacity and 99.99% peak current efficiency with 90 $\mu $ A quiescent current. By combining GaN and silicon processes, the proposed Ultrahigh gain amplifier (UHGA) enables a high loop gain to achieve 0.297-mV/A load regulation and 0.024-mV/V line regulation. Furthermore, …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3702962
Publisher: IEEE

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A Single-Lead ECG Wearable Sensor With 1.04 s Latency for Cardiac and Biometric Detection Tasks

A Single-Lead ECG Wearable Sensor With 1.04 s Latency for Cardiac and Biometric Detection Tasks 150 150
Author(s): Yuxin Ji, Chao Wang, Yuzhi Hao, Yang Zhao, Jian Zhao, Mingyi Chen, Guoxing Wang, Yong Lian, Yongfu Li

Abstract:

The wearable electrocardiogram (ECG) sensor has immense potential for cardiovascular healthcare monitoring. However, uploading ECG signals to server-side devices for diagnosis poses privacy risks. Multi-tasking ECG processors rely on multi-beat windows and complex models, leading to high latency and energy consumption that limit deployment in resource-constrained wearable devices. In this …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3700263
Publisher: IEEE

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PANDA: A Reconfigurable Seizure Prediction and Detection Neural Network Accelerator for Epilepsy Monitoring

PANDA: A Reconfigurable Seizure Prediction and Detection Neural Network Accelerator for Epilepsy Monitoring 150 150
Author(s): Siyuan Qiu, Xiaoyi Song, Xiangjie Song, Changchun Zhou, Xiaoyan Song, Jie Yang, Wenjin Wang, Yuchao Yang, Hailong Jiao

Abstract:

For effective healthcare management of epilepsy patients in a non-hospital environment, continuous monitoring of EEG signals is crucial, where wearable intelligent devices are essential. The existing seizure monitoring devices, however, cannot achieve high sensitivity, a short detection latency, a low false alarm rate (FAR), as well as ultra-low-power computing simultaneously. …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3699609
Publisher: IEEE

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An Incremental Noise-Shaping Pipeline ADC With Single-Amplification-Based kT/C Noise Cancellation Technique

An Incremental Noise-Shaping Pipeline ADC With Single-Amplification-Based kT/C Noise Cancellation Technique 150 150
Author(s): Zongnan Wang, Bingrui Li, Jiajun Tang, Zhongyi Wu, Haoyang Luo, Yuan Wang, Xiyuan Tang

Abstract:

This article presents an incremental noise-shaping (NS) pipeline analog-to-digital converter (ADC) featuring a single-amplification-based kT/C noise cancellation technique. By pre-amplifying the frontend sampling kT/C noise onto the capacitive digital-to-analog converter (CDAC) of the backend NS successive approximation register (SAR) quantizer, the proposed architecture eliminates the repeated amplifications typically …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3698875
Publisher: IEEE

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A 15-MHz, 2.7-mm2 Notch-Free Hybrid Magnetic Current Sensor With Feedforward Ripple Cancellation and ±0.8% Local Gain Non-Uniformity

A 15-MHz, 2.7-mm2 Notch-Free Hybrid Magnetic Current Sensor With Feedforward Ripple Cancellation and ±0.8% Local Gain Non-Uniformity 150 150
Author(s): Feng Cheng, Jianlin Xia, Encheng Zhu, Long Zhang, Zhongyuan Fang, Xiaofeng Sun, Dejin Wang, Shaoping Li, Jing Zhu, Yongjia Li, Weifeng Sun

Abstract:

This article proposes a hybrid magnetic current sensor achieving a 15-MHz bandwidth within a compact 2.7-mm2 area. To mitigate the pole–zero mismatch inherent in the two-stage integrator topology, a dual-output Gm-C integrator with subtractor-based compensation is proposed, achieving a ±0.8% local gain non-uniformity. A wideband feedforward ripple suppression scheme cancels …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3692476
Publisher: IEEE

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An Ultra-Low-Jitter Sampling-Filter-Based Charge-Pump PLL With Resistive-Discharge Time-Amplifying Phase-Frequency Detector and Series-Resonance VCO

An Ultra-Low-Jitter Sampling-Filter-Based Charge-Pump PLL With Resistive-Discharge Time-Amplifying Phase-Frequency Detector and Series-Resonance VCO 150 150
Author(s): Feng Bu, Depeng Sun, Dingtao Zeng, Yuan Gao, Bowen Wang, Zhicheng Dong, Xiaoteng Zhao, Hao Xu, Na Yan, Ruixue Ding, Shubin Liu, Zhangming Zhu

Abstract:

This article presents a 13-GHz quadrature charge-pump phase-locked loop (CPPLL) that simultaneously achieves ultra-low jitter and low-spur performance. First, a low-noise resistive-discharge time-amplifying phase-frequency detector (RD-TAPFD) is proposed, achieving extremely low inherent noise and significantly suppressing noise from the following stages. Second, a sampling-based dual-path loop filter effectively suppresses reference …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3690771
Publisher: IEEE

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