low power

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A 6.3–18.4 GHz I/Q Receiver With RF and LO Path Reconfigurability for 6G FR3 Applications in 22-nm FD-SOI

A 6.3–18.4 GHz I/Q Receiver With RF and LO Path Reconfigurability for 6G FR3 Applications in 22-nm FD-SOI 150 150
Author(s): Haisu Ju, Yingtao Zou, Gabriel M. Rebeiz

Abstract:

This article presents a 6.3–18.4GHz in-phase and quadrature (I/Q) direct down-conversion receiver featuring reconfigurability in both the radio frequency (RF) and local oscillator (LO) paths. The receiver comprises a multi-band reconfigurable RF front-end, double-balanced passive I/Q mixers, an I/Q LO generation network with a tunable I/Q …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3698025
Publisher: IEEE

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A Zero-Static-Power ADC With Integrated Dynamic Reference and Driver-Free Operation Achieving 58.6 dB SNDR From –40 °C to 85 °C

A Zero-Static-Power ADC With Integrated Dynamic Reference and Driver-Free Operation Achieving 58.6 dB SNDR From –40 °C to 85 °C 150 150
Author(s): Yiming Wang, Yihang Luan, Zhiliang Hong, Jiawei Xu

Abstract:

This letter presents a 10-bit ENOB charge-sharing SAR ADC with a fully integrated dynamic bandgap reference (BGR), enabling first-order noise shaping and ultralow-power (ULP) operation. The charge-sharing ADC and dynamic BGR form an ideal pair: both operate without static current, allowing compact integration and high precision. The SAR uses only …

Published in: IEEE Solid-State Circuits Letters
Page(s): 178 – 181
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3697203
Publisher: IEEE

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A 12 b 180-MS/s Pipelined-SAR ADC With a Low-Power Calibration-Free RA and Hardware-Efficient SAR Logic

A 12 b 180-MS/s Pipelined-SAR ADC With a Low-Power Calibration-Free RA and Hardware-Efficient SAR Logic 150 150
Author(s): Guo Wei, Rui Zhang, Fule Li, Hanjun Jiang, Zhihua Wang

Abstract:

This letter presents a 12-bit, 180-MS/s pipelined-SAR ADC in 65-nm CMOS. To eliminate the complex interstage gain-error calibration for a fast-response characteristic, a high-gain residue amplifier (RA) featuring a two-stage gain-boosting architecture is proposed. By removing the tail current, the RA significantly alleviates slew-rate and voltage headroom limitations. The …

Published in: IEEE Solid-State Circuits Letters
Page(s): 186 – 189
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3697220
Publisher: IEEE

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A 415 μW 2.4 GHz Receiver With Third-Harmonic Time-Interleaved Passive Mixer and Reconfigurable AFIR Filter for IoT Applications

A 415 μW 2.4 GHz Receiver With Third-Harmonic Time-Interleaved Passive Mixer and Reconfigurable AFIR Filter for IoT Applications 150 150
Author(s): Zongle Ma, Yicheng Chen, Qing Li, Kai Li, Kaixue Ma, Keping Wang

Abstract:

This article presents a 2.4 GHz receiver with a third-harmonic time-interleaved passive mixer and reconfigurable analog finite-impulse-response (AFIR) filter. To improve linearity while maintaining low power consumption, a 6-path third-harmonic time-interleaved mixer with a 6-phase non-overlapping local oscillator (LO) is proposed, employing capacitive stacking and charge sharing techniques to enhance in-band …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3686034
Publisher: IEEE

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A 16-MHz CMOS RC Frequency Reference Achieving Accuracies of ±125 ppm From −40 °C to 85 °C and −560/+580 ppm After Accelerated Aging

A 16-MHz CMOS RC Frequency Reference Achieving Accuracies of ±125 ppm From −40 °C to 85 °C and −560/+580 ppm After Accelerated Aging 150 150
Author(s): Runtao Huo, Weihao Jie, Yiwen Zhang, Honglan Jiang, Hui Wang

Abstract:

This article presents a low-power, high-accuracy CMOS RC frequency reference featuring a capacitively modulated RC time constant (CMT) generation and a die-to-die error removal (DDER) technique for precise frequency generation with a low-calibration cost. Unlike resistive trimming, the temperature dependence of the on-chip resistor is compensated by a $\Delta \Sigma $ …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3684094
Publisher: IEEE

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A 0.4-V 988-nW Tiny Footprint Time-Domain Audio Feature Extraction ASIC for Keyword Spotting Using Injection-Locked Oscillators

A 0.4-V 988-nW Tiny Footprint Time-Domain Audio Feature Extraction ASIC for Keyword Spotting Using Injection-Locked Oscillators 150 150
Author(s): Ali Mostafa, Emmanuel Hardy, Franck Badets

Abstract:

This work presents an injection-locked oscillator (ILO)-based feature extraction (FEx) system. It combines voltage- and time-domain signal processing to implement a power-efficient programmable gain amplifier (PGA) and a small-footprint, high-selectivity ILO-based voltage-to-time converter bandpass filter (VTC-BPF) bank and rectifier. The VTC-BPF enables direct analog-to-time conversion, eliminating the need for …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3681481
Publisher: IEEE

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Sub-μA Always-on Drive Loop for 3-Axis MEMS Gyroscope

Sub-μA Always-on Drive Loop for 3-Axis MEMS Gyroscope 150 150
Author(s): Longjie Zhong, Jinwen Zhang, Ling Wang, Wenfei Cao, Kangkang Cai, Tiegang Hu, Zhangming Zhu

Abstract:

The always-on drive loop with low power is a key enabler for intelligent inertial measurement unit (IMU). One of the key design challenges of the always-on drive loop is the trade-off between the always-on power consumption and the wake-up time. To meet this challenge, the burst-mode always-on drive loop composed …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3672969
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 54- $\\mu$ W Design-Agnostic Clock, Voltage, and EM-Pulse Fault-Injection Attack Detection Using Time-to-Voltage Conversion

A 54- $\\mu$ W Design-Agnostic Clock, Voltage, and EM-Pulse Fault-Injection Attack Detection Using Time-to-Voltage Conversion 150 150
Author(s): Yudhajit Ray, Archisman Ghosh, Sarthak Antal, Shreyas Sen

Abstract:

This article presents a state-of-the-art design-agnostic clock, voltage, and electromagnetic pulse (EMP)-based fault-injection attack (FIA) detector. The efficient conversion of time-to-voltage information by integrating amplifiers transforms the time anomaly into the voltage domain, enabling its detection at a lower power consumption. The clock-glitch detector design consumes only $53~\mu $ W …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3655593
Publisher: IEEE

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