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A Mixed-Signal SAT Solver for Exploring Nonideal Effects and Scalability in Analog Computation

A Mixed-Signal SAT Solver for Exploring Nonideal Effects and Scalability in Analog Computation 150 150
Author(s): Ahmet Yusuf Salim, Soner Seçkiner, Eslam Elmitwalli, Zeljko Ignjatovic, Selçuk Köse

Abstract:

Recent years have seen growing interest in custom and nature-inspired computing methods for solving computationally challenging combinatorial optimization problems. The Boolean satisfiability (SAT), a canonical nondeterministic polynomial (NP)-complete problem, has remained a focal point due to its wide applicability in artificial intelligence, cryptography, and formal verification. This article presents …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 19
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3721413
Publisher: IEEE

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A 6-bit Serializer With Integrated Manchester Encoder Using Flexible a-IGZO TFT Technology

A 6-bit Serializer With Integrated Manchester Encoder Using Flexible a-IGZO TFT Technology 150 150
Author(s): Suyash Shrivastava, Pydi Ganga Bahubalindruni

Abstract:

This article presents an experimental characterization of a novel 6-bit parallel-to-serial data converter integrated with a Manchester encoder. The system comprises an on-chip digital logic block that generates six mutually nonoverlapping control signals ( $\phi _{0-5}$ ) and three 120° phase-shifted clock signals to drive the switching transistors in the serializer and the …

Published in: IEEE Solid-State Circuits Letters
Page(s): 194 – 197
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3707465
Publisher: IEEE

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A 300-μW BLE-Compliant Packet-Based Data-Agnostic Clock-Harvesting RX Achieving −85/−70 dBm Sensitivity for ±40/±15 ppm Accuracy

A 300-μW BLE-Compliant Packet-Based Data-Agnostic Clock-Harvesting RX Achieving −85/−70 dBm Sensitivity for ±40/±15 ppm Accuracy 150 150
Author(s): Maryam Dodangeh, Mark S. Oude Alink, Jan Prummel, Bram Nauta

Abstract:

An ultralow-power Bluetooth low energy (BLE)-compliant crystal-less clock-harvesting receiver is presented that uses the BLE advertising packets (APs) to calibrate an on-chip frequency reference with ±400 ppm initial frequency offset. The proposed front-end, fabricated in 22 nm FDSOI, is capable of pushing the frequency accuracy of the reference further to below ±40/±15 …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3718973
Publisher: IEEE

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A Continuous-Time Incremental Zoom ADC With Extended Quantization, Easy-to-Drive Capacitive Input and Deadband-Embedded Gm-C Loop Filter

A Continuous-Time Incremental Zoom ADC With Extended Quantization, Easy-to-Drive Capacitive Input and Deadband-Embedded Gm-C Loop Filter 150 150
Author(s): Chaoyang Xing, Yilu Cui, Yi Zhong, Nan Sun, Lu Jie

Abstract:

This article presents a continuous-time (CT) analog-to-digital converter (ADC) featuring an incremental zoom with extended quantization architecture. The proposed MASH topology comprises an 8-bit oversampled successive-approximation register (SAR) ADC as the first stage, a 1-bit incremental CT delta-sigma modulator (CT-DSM) as the second stage, and a 12-bit Nyquist SAR ADC …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3717666
Publisher: IEEE

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A 500-MS/s 94-dB-SFDR Resistive-Input Pipelined-SAR ADC With a Current-Buffer-Based Integrating Sampler and Floating Charge Transferrer

A 500-MS/s 94-dB-SFDR Resistive-Input Pipelined-SAR ADC With a Current-Buffer-Based Integrating Sampler and Floating Charge Transferrer 150 150
Author(s): Xiyu He, Mingyang Gu, Yunsong Tao, Siyu Huang, Zhishuai Zhang, Yi Zhong, Nan Sun, Lu Jie

Abstract:

This work presents a pipelined successive approximation register (SAR) analog-to-digital converter (ADC) with a current-buffer-based integrating sampler that combines an easy-to-drive resistive input with high linearity. To overcome the linearity and swing limitations of conventional current-integrating samplers (CISs), the frontend employs a $G_{m}$ -boosted continuous-time (CT) floating charge transferrer (…

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3714848
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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P-Dits for the Frequency Assignment Problem With Transmitter Deactivation in Dense Environments

P-Dits for the Frequency Assignment Problem With Transmitter Deactivation in Dense Environments 150 150
Author(s): Christian Duffee, Jordan Athas, Igor Kadota, Randall Berry, Pedram Khalili Amiri

Abstract:

The frequency assignment problem is a nondeterministic polynomial-time hard (NP-hard) optimization problem concerning the assignment of frequency channels to wireless transmitters. Typically, the aim is to minimize interference between transmitters while maintaining a high level of service. In this work, the use of probabilistic d-dimensional bits, or p-dits, for this …

Published in: IEEE Journal on Exploratory Solid-State Computational Devices and Circuits
Page(s): 78 – 85
Year of Publication: 2026
Electronic ISSN: 2329-9231
DOI: 10.1109/JXCDC.2026.3690563
Publisher: IEEE

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TD-dAJC: A 100 MS/s 2 pJ/Pixel Time-Domain Weight and Integrating-MAC-Based Direct Analog to MJPEG Compression for Video Sensor Nodes

TD-dAJC: A 100 MS/s 2 pJ/Pixel Time-Domain Weight and Integrating-MAC-Based Direct Analog to MJPEG Compression for Video Sensor Nodes 150 150
Author(s): Harshit Naman, Gourab Barik, Yudhajit Ray, Shreyas Sen

Abstract:

Always-on, high-quality video sensors are increasingly required in wearables, surveillance, and Internet-of-Things (IoT) devices, where stringent energy constraints make efficient in-sensor compression necessary. These systems must support high-definition (HD) and 4 K video, yet conventional digital video compression pipelines consume significant power because high-speed analog-to-digital converters (ADCs) must digitize every pixel, …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 16
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3712196
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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