Couplings

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Open DRAM Model—Part I: Cross-Layer Device, Array, and Circuit Analysis With BL-to-BL Coupling Mitigation for 4F2 VCT DRAM

Open DRAM Model—Part I: Cross-Layer Device, Array, and Circuit Analysis With BL-to-BL Coupling Mitigation for 4F2 VCT DRAM 150 150
Author(s): Kiseok Lee, Seongkwang Lim, Suman Datta, Shimeng Yu

Abstract:

Dynamic random access memory (DRAM) scaling toward 4F2 vertical channel transistors (VCTs) fundamentally reshapes device, array, and circuit-level design tradeoffs. However, the lack of an open-source DRAM device model that is calibrated with recent industry trends prohibits broader innovations in the research community. In this work, we present an “Open …

Published in: IEEE Journal on Exploratory Solid-State Computational Devices and Circuits
Page(s): 135 – 143
Year of Publication: 2026
Electronic ISSN: 2329-9231
DOI: 10.1109/JXCDC.2026.3704358
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 Real-Time Link-Adaptive 3-D Resonant Current-Mode Wireless Receiver With Self-Optimizing Control

A Real-Time Link-Adaptive 3-D Resonant Current-Mode Wireless Receiver With Self-Optimizing Control 150 150
Author(s): Jong-Hun Kim, Seung-Ju Lee, Seogyong Jeong, Yeon-Woo Jeong, Mun-Jung Cho, Hyuntak Jeon, Se-Un Shin

Abstract:

This article presents a 3-D resonant current-mode wireless power receiver (RCM 3D-Rx) with autonomous optimum resonance cycle ( $N_{\mathrm {OPT}}$ ) detection and real-time link adaptivity for implantable medical devices (IMDs). The proposed design integrates three orthogonally oriented receiver coils within a com pact 3-D-printed PA12 structure, enabling orientation-insensitive power transfer …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 3407 – 3419
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3637095
Publisher: IEEE

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Design and Analysis of Windmill-Shaping-Geometry Eight-Phase Oscillator Incorporating Magnetic and Dual-Injection Coupling Techniques

Design and Analysis of Windmill-Shaping-Geometry Eight-Phase Oscillator Incorporating Magnetic and Dual-Injection Coupling Techniques 150 150
Author(s): Ya Zhao, Runchen Wang, Lingao Huang, Haitao Ren, Jun Yin, Pui-In Mak, Li Geng, Chao Fan

Abstract:

This article reports a compact millimeter-wave (mm-wave) quad-core eight-phase oscillator featuring magnetic coupling and dual-injection coupling. Specifically, the quad-core oscillator is integrated in an LC-ring configuration via a windmill-shaping transformer for phase noise (PN) and chip area reduction. The eight-phase oscillator could eliminate the oscillation mode ambiguity and save the …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3714874
Publisher: IEEE

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A K/Ka-Band Transmit/Receive Front-End With Triple-Coupled Transformer Technique in 65-nm Bulk CMOS

A K/Ka-Band Transmit/Receive Front-End With Triple-Coupled Transformer Technique in 65-nm Bulk CMOS 150 150
Author(s): Nayu Li, Ziyao Xiong, Botao Yang, Hang Lu, Yiwei Liu, Xiaokang Qi, Gaopeng Chen, Na Yan, Chunyi Song, Zhiwei Xu

Abstract:

This article presents a K/Ka-band transmit/receive (T/R) front-end for jointed sensing and communication (JSAC) applications. A reconfigurable matching network for both signal reception and transmission is realized using the proposed triple-coupled transformer (TCT) technique, achieving low power loss and a compact footprint. The T/R switch at …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3667736
Publisher: IEEE

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1–1.7-GHz Single-Voltage-Controlled Tunable MMIC BPF With Over 45-dB Rejection to 30 GHz Using Tapped Inductor Technique

1–1.7-GHz Single-Voltage-Controlled Tunable MMIC BPF With Over 45-dB Rejection to 30 GHz Using Tapped Inductor Technique 150 150
Author(s): Di Lu, Menghan Sun, Baoqi Zhu, Xin Jiang, Ming Yu

Abstract:

This article presents a novel fourth-order single-voltage-controlled (SVC) tunable monolithic microwave integrated circuit (MMIC) bandpass filter (BPF) for tunable filter bank applications. Utilizing the tapped inductor technique (TIT), the proposed filter achieves compact magnetic coupling with reduced loss, avoiding the use of bulky inductor- or transformer-based coupling structures. The filter …

Published in: IEEE Solid-State Circuits Letters
Page(s): 105 – 108
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3668386
Publisher: IEEE

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A Pseudo-Series Resonance CMOS Oscillator

A Pseudo-Series Resonance CMOS Oscillator 150 150
Author(s): Jiawen Chen, Kai Xu, Teerachot Siriburanon, Robert Bogdan Staszewski

Abstract:

This article presents a single-core, low-phase-noise (PN) digitally controlled oscillator (DCO) employing a pseudo-series resonance (pseudo-SR) technique with a transformer-based resonator. The proposed pseudo-SR resonator offers two key advantages: 1) a low impedance with a 180° phase shift at the impedance pole, emulating series resonance (SR) to enable single-stage oscillation and reduce …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3663515
Publisher: IEEE

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Analysis and Design of Power Amplifier Using Parallel-Combined Multisegment Transformer

Analysis and Design of Power Amplifier Using Parallel-Combined Multisegment Transformer 150 150
Author(s): Geuntae Kim, Hyunjin Ahn, Kyutaek Oh, Ilku Nam, Ockgoo Lee

Abstract:

This letter presents a highly efficient power amplifier (PA) using a parallel-combined vertical multisegment transformer for 5G new radio (NR) applications operating in bands n257 and n258, in a 65-nm bulk CMOS process. A multisegment transformer facilitates a lower provided input impedance than a conventional transformer, enabling the PA to …

Published in: IEEE Solid-State Circuits Letters
Page(s): 85 – 88
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3665218
Publisher: IEEE

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A 40.68-MHz Dual-Output Wireless Power Transfer System for Millimeter-Scale Biomedical Implants

A 40.68-MHz Dual-Output Wireless Power Transfer System for Millimeter-Scale Biomedical Implants 150 150
Author(s): Tianqi Lu, Sijun Du

Abstract:

This article presents a single-link, dual-output wireless power transfer (WPT) system operating at 40.68 MHz for miniature, high-power biomedical implants. The elevated carrier frequency enables a millimeter-scale receiver (RX) coil while maintaining link efficiency and output power comparable to low-frequency WPT designs. End-to-end (E2E) efficiency is optimized through global power …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3617375
Publisher: IEEE

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