Capacitance

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A 256-Channel Solid-State Nanopore Readout Array With 193-pA TIAs and Event Detection at 1-MHz in 65-nm CMOS

A 256-Channel Solid-State Nanopore Readout Array With 193-pA TIAs and Event Detection at 1-MHz in 65-nm CMOS 150 150
Author(s): Sander Crols, Filip Tavernier, Carolina Mora Lopez, Marian Verhelst, Nick Van Helleputte

Abstract:

Solid-state nanopore single-molecule sensing aims to replace the commercially available biological nanopores. Array sizes have remained limited due to the area and power consumption of the transimpedance amplifiers (TIAs), thus preventing throughput and cost scaling. This article presents a 256-channel readout array for solid-state nanopore single-molecule sensing in 65 nm CMOS. …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 11
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3721767
Publisher: IEEE

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A 4-GS/s 53.5-dB SNDR 12.9 fJ/conv. TI-SAR ADC With Capacitive Nonlinearity Compensation and Dual-Mode Offset Calibration

A 4-GS/s 53.5-dB SNDR 12.9 fJ/conv. TI-SAR ADC With Capacitive Nonlinearity Compensation and Dual-Mode Offset Calibration 150 150
Author(s): Jiazhen Ni, Dayi Zhou, Minqing Cai, Chen Chen, Xiang Gao, Seung-Chul Lee

Abstract:

Successive approximation register (SAR) analog-to-digital converters (ADCs) often employ dual-mode dynamic comparators to achieve both high speed and low noise. However, under low-supply operation, offset drift from mode transitions and degraded front-end linearity due to limited signal headroom become critical challenges. To address these issues, an adaptive current-injection scheme suppresses …

Published in: IEEE Solid-State Circuits Letters
Page(s): 214 – 217
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3713349
Publisher: IEEE

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An 11.5-Gb/s/pin, 0.4-V Driver-Supply Transmitter With Switched-Coupling Charge-Pump-Based Crosstalk Cancellation for Ultra-Dense Capacitively Coupled Channels

An 11.5-Gb/s/pin, 0.4-V Driver-Supply Transmitter With Switched-Coupling Charge-Pump-Based Crosstalk Cancellation for Ultra-Dense Capacitively Coupled Channels 150 150
Author(s): Yoochang Kim, Seunghoon Yi, Seung Chae Jung, Hee-Cheol Joo, Young-Ha Hwang

Abstract:

This work presents an 11.5-Gb/s/pin transmitter (TX) for ultra-dense capacitively coupled channels that achieves near-complete eye-margin recovery while operating from a 0.4-V driver supply using a switched-coupling charge-pump-based crosstalk cancellation (SCCP-XTC) scheme. In the proposed scheme, one of four precharged capacitor banks in each XT cancellation (XTC) path …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3715082
Publisher: IEEE

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A W-Band Active Bidirectional Phase Shifter With 2° RMS Phase Error Over 26.4% FBW Using Back-Gate Biasing in 28-nm FD-SOI CMOS

A W-Band Active Bidirectional Phase Shifter With 2° RMS Phase Error Over 26.4% FBW Using Back-Gate Biasing in 28-nm FD-SOI CMOS 150 150
Author(s): Sungwon Kwon, Byung-Wook Min

Abstract:

This article presents a W-band active bidirectional vector-sum phase shifter (Bi-VSPS) using a bidirectional phase-inverting variable-gain amplifier (Bi-PIVGA) with back-gate biasing in 28-nm fully depleted silicon-on-insulator (FD-SOI) CMOS. The Bi-PIVGA employs a neutralization technique that cancels the gate-to-drain capacitances of both active and inactive transistors in each signal direction. By …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 11
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3699765
Publisher: IEEE

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A MEMS-Free 4096-Pixel CMOS E-Nose Array With MOF-Based Molecular Selectivity, In-Pixel Thermal Regeneration, and a Compact Single-Coefficient Bandpass Sigma–Delta ADC

A MEMS-Free 4096-Pixel CMOS E-Nose Array With MOF-Based Molecular Selectivity, In-Pixel Thermal Regeneration, and a Compact Single-Coefficient Bandpass Sigma–Delta ADC 150 150
Author(s): Marco Saif, Adam Y. Wang, Shao-Wei Lo, Fuze Jiang, Zhikai Huang, Jiachen Wang, Hangxing Liu, Chih-Jen Shih, Thomas Burger, Hua Wang

Abstract:

This work presents a CMOS-only [micro-electromechanical systems (MEMS)-free] electronic nose (e-nose) for concurrent multi-gas-sensing applications. The proposed system integrates 4096 capacitance-to-digital converter (CDC) pixels, each implementing a compact bandpass sigma–delta ( $\Sigma \Delta $ ) ADC with a single feedback coefficient and no additional feedforward or feedback paths, achieving each pixel footprint …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3685410
Publisher: IEEE

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A 2–18 GHz High-Efficiency CMOS Nonuniform Distributed Power Amplifier With a Novel Reconfigurable Inductive Termination

A 2–18 GHz High-Efficiency CMOS Nonuniform Distributed Power Amplifier With a Novel Reconfigurable Inductive Termination 150 150
Author(s): Bo Pang, Fei You, Taotao Pang, Rongxing Qin, Zehua Xiao, Yingjie Liu, Yingyu Liu, Xinyu Wang, Junfu Guo, Songbai He

Abstract:

This article presents a 2–18 GHz high-efficiency CMOS nonuniform distributed power amplifier (NDPA) with a novel reconfigurable inductive termination technique for ultra-broadband efficiency enhancement. First, the inherent drawback of the degrading efficiency with growing frequency in a conventional non-reconfigurable NDPA architecture with multi-octave bandwidth is studied. A simple and effective reconfigurable …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3665920
Publisher: IEEE

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A 7056-PPI Pixel Circuit With Low-Leakage Structure for Active-Matrix Monochrome Micro-LED Displays

A 7056-PPI Pixel Circuit With Low-Leakage Structure for Active-Matrix Monochrome Micro-LED Displays 150 150
Author(s): Chih-Lung Lin, Cheng-Han Ke, Yu-Chang Chiu, Yuan-Yu Lai, Yi-Chien Chen, Cheng-Rui Lu, Yu-Hsiang Fu, Chih-Chuan Huang

Abstract:

This work presents a 5T2C pixel circuit for active-matrix (AM) micro-displays in near-eye display applications. The circuit supports monochrome micro light-emitting diode (micro-LED) displays with ultrahigh resolution of 7056 pixels per inch (PPI). The circuit is designed and fabricated based on medium-voltage (MV) devices from the 55-nm high-voltage (HV) CMOS …

Published in: IEEE Solid-State Circuits Letters
Page(s): 89 – 92
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3667520
Publisher: IEEE

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A 475-nW Area-Efficient Programmable Analog Feature Extraction Filterbank for Audio Classification

A 475-nW Area-Efficient Programmable Analog Feature Extraction Filterbank for Audio Classification 150 150
Author(s): Patrice Abbie D. Legaspi, Shubham Yadav, Mark S. Oude Alink, Bram Nauta

Abstract:

Audio classification in edge devices has many applications and can be implemented at varying levels of complexity, typically consisting of a feature extractor followed by a classifier. Such devices are often always-on, constantly listening to their surroundings, and have a small form factor; therefore, they require low-power operation and high …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3655426
Publisher: IEEE

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A Low-Voltage-CMOS AC–DC Converter With Series-Capacitor Pre-Regulation and Fine-Grained Capacitance Reallocation for Mains-Powered IoT

A Low-Voltage-CMOS AC–DC Converter With Series-Capacitor Pre-Regulation and Fine-Grained Capacitance Reallocation for Mains-Powered IoT 150 150
Author(s): Jiahao Shi, Xuchu Mu, Qiaobo Ma, Yang Jiang, Rui P. Martins, Pui-In Mak

Abstract:

This article presents a power- and area-efficient switched-capacitor (SC) ac–dc converter in low-voltage (LV) CMOS for mains-powered Internet of Things (IoT) applications. The proposed converter adopts a single-stage series-capacitor architecture with fine-grained pre-rectification regulation, eliminating the need for intermediate high-voltage (HV) dc capacitors or HV dc–dc stages, thereby …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3650592
Publisher: IEEE

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