IEEE Journal of Solid-State Circuits

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A 0.5-/0.95-dB NF, 50-/25-Ω Configurable CMOS Front-End ASIC for the Readout of Liquid Argon Calorimeter in the LHC

A 0.5-/0.95-dB NF, 50-/25-Ω Configurable CMOS Front-End ASIC for the Readout of Liquid Argon Calorimeter in the LHC 150 150
Author(s): Mietek Dabrowski, Filip Tavernier, Paul Leroux

Abstract:

This article presents the design of a four-channel front-end application specific integrated circuit (ASIC), ATLAS liquid argon front-end (ALFE), developed for the readout of the liquid-argon calorimeter (LAr) detector in the ATLAS experiment at the Large Hadron Collider (LHC). ALFE enables the readout of current signals induced in the LAr …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3602751
Publisher: IEEE

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A 180-nm Voltage-Controlled Magneto-Electric RAM With Sub-1-ns Switching Time

A 180-nm Voltage-Controlled Magneto-Electric RAM With Sub-1-ns Switching Time 150 150
Author(s): Haris Suhail, Haoran He, Vinod Kurian Jacob, Jiyue Yang, Kang L. Wang, Sudhakar Pamarti

Abstract:

Memory performance has emerged as a critical factor influencing both system speed and energy efficiency. However, conventional memory technologies such as embedded Flash (eFlash) and static RAM (SRAM) encounter significant scalability limitations beyond the 28-nm CMOS node. Among novel emerging memory technologies, spin-transfer-torque magnetic RAM (STT-MRAM) has gained prominence due …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 11
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3609342
Publisher: IEEE

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EdgeDiff: Energy-Efficient Multi-Modal Few-Step Diffusion Model Accelerator Using Mixed-Precision and Reordered Group Quantization

EdgeDiff: Energy-Efficient Multi-Modal Few-Step Diffusion Model Accelerator Using Mixed-Precision and Reordered Group Quantization 150 150
Author(s): Sangjin Kim, Jungjun Oh, Jeonggyu So, Yuseon Choi, Sangyeob Kim, Dongseok Im, Gwangtae Park, Hoi-Jun Yoo

Abstract:

Recent advances in diffusion models (DMs)—such as few-step denoising and multi-modal conditioning—have significantly improved computational efficiency and functional flexibility, but they also introduce new hardware challenges. In particular, the elimination of inter-timestep redundancy, increased encoder/decoder workload, and heightened sensitivity to quantization demand a new class of accelerator. …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3611456
Publisher: IEEE

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A Radiated-EMI-Reduced Touch AFE IC With Pipelined Dual-Frequency Modulation and Sine2 Waveform Shaping for Automotive Applications

A Radiated-EMI-Reduced Touch AFE IC With Pipelined Dual-Frequency Modulation and Sine2 Waveform Shaping for Automotive Applications 150 150
Author(s): Seokhyeon Moon, Byoungseok Yoo, Minsu Kim, Jonghang Choi, Jun-Eun Park

Abstract:

This article presents an analog front-end (AFE) for automotive touch-screen sensors that reduces radiated emission (RE) from touch-screen panel (TSP) driving signals while maintaining touch sensing performance. The proposed touch AFE employs a sine–sine (Sine2) waveform shaping and a sine-chirp spread spectrum (SCSS) clocking to suppress both harmonic components …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3612397
Publisher: IEEE

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EPOCHS-1: A 12 nm Highly Heterogeneous Open-Source SoC With Distributed Coin-Based Power Management and Integrated Hybrid Voltage Regulation

EPOCHS-1: A 12 nm Highly Heterogeneous Open-Source SoC With Distributed Coin-Based Power Management and Integrated Hybrid Voltage Regulation 150 150
Author(s): Joseph Zuckerman, Martin Cochet, Maico Cassel Dos Santos, Erik Jens Loscalzo, Karthik Swaminathan, Tianyu Jia, Davide Giri, Thierry Tambe, Jeff Jun Zhang, Alper Buyuktosunoglu, Kuan-Lin Chiu, Giuseppe Di Guglielmo, Paolo Mantovani, Luca Piccolboni, Gabriele Tombesi, David Trilla, John-David Wellman, En-Yu Yang, Aporva Amarnath, Ying Jing, Bakshree Mishra, Joshua Park, Vignesh Suresh, Samira Zaliasl, Michael Lekas, Stephen Cahill, Hesam Sadeghi, Joseph Meyer, Noah Sturcken, Sarita Adve, David Brooks, Gu-Yeon Wei, Kenneth L. Shepard, Pradip Bose, Luca P. Carloni

Abstract:

We present EPOCHS-1, a 12 nm, 64 mm2 system-on-chip (SoC) with a high degree of heterogeneity. It features four Linux-SMP-capable RISC-V cores, 14 different types of accelerators, a distributed memory hierarchy, and various peripherals. EPOCHS-1’s memory hierarchy has the flexibility to support a diverse set of accelerators and can scale to support …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 19
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3602386
Publisher: IEEE

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Ultra-Broadband Self-Compensated Vector-Modulation Phase Shifter With Over 100-GHz Bandwidth

Ultra-Broadband Self-Compensated Vector-Modulation Phase Shifter With Over 100-GHz Bandwidth 150 150
Author(s): Dawei Tang, Qianqi Meng, Peigen Zhou, Rui Zhou, Zhe Chen, Jixin Chen, Hao Gao, Wei Hong

Abstract:

With the rapid development of communication, radar, radio astronomy, and security inspection imaging, next-generation RF systems are evolving toward universal and ultra-broadband (UBB) operation. However, the lack of a wideband and low-cost phase shifter (PS) has been a bottleneck in these systems, limiting the operating bandwidth, phase resolution, size, and …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 17
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3610844
Publisher: IEEE

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A Single-Channel 1–3 MASH SAR-Assisted Pipeline ADC With Residue Amplifier Error Shaping

A Single-Channel 1–3 MASH SAR-Assisted Pipeline ADC With Residue Amplifier Error Shaping 150 150
Author(s): Yanbo Zhang, Guolong Fu, Junyan Hao, Shubin Liu, Zhangming Zhu, Yan Zhu, Rui P. Martins, Chi-Hang Chan

Abstract:

This article presents a single-channel successive approximation register (SAR)-assisted fourth-order noise-shaping (NS) pipeline analog-to-digital converter (ADC) with residue amplifier (RA) error shaping. The first stage introduces a passive dynamic range (DR)-preserved feedforward (FF) NS, which shapes both the quantization error and various impairments from the RA, thus enabling …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3608849
Publisher: IEEE

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Design and Analysis of a Source Parasitic Insensitive Fully-Passive N-Path Receiver With Sub-3 dB NF

Design and Analysis of a Source Parasitic Insensitive Fully-Passive N-Path Receiver With Sub-3 dB NF 150 150
Author(s): Sameer Kumar, Imon Mondal

Abstract:

This article presents an all-passive, source parasitic insensitive $N$ -path filter optimized for complex RF impedance matching. It works by nullifying the effect of the parasitic capacitance at the RF node through an additional nulling capacitor, which flips and cycles through adjacent phases and connects in parallel to the baseband (…

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3610647
Publisher: IEEE

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A Continuous-Time Capacitance-to-Digital Converter for Floating-Target Displacement Sensing

A Continuous-Time Capacitance-to-Digital Converter for Floating-Target Displacement Sensing 150 150
Author(s): Sining Pan, Baoyi Zheng, Xiaolong Zhang, Minge Jiang, Yihang Cheng, Hui Jiang, Huaqiang Wu

Abstract:

This article presents a high-performance continuous-time (CT) capacitance-to-digital converter (CDC) for floating-target displacement measurement applications. It uses a differential first-order RC low-pass filter (LPF) front end to convert parallel-plate capacitance to phase shift, which is further digitized by a high-resolution second-order CT phase-domain (PD) delta–sigma modulator (CT-PD $\Delta \Sigma $ …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 10
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3610661
Publisher: IEEE

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