Gain control

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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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An 8.62-μW 75-dB DRSoC Fully Integrated SoC for Spoken Language Understanding

An 8.62-μW 75-dB DRSoC Fully Integrated SoC for Spoken Language Understanding 150 150
Author(s): Sheng Zhou, Zixiao Li, Longbiao Cheng, Jérôme Hadorn, Chang Gao, Qinyu Chen, Tobi Delbruck, Kwantae Kim, Shih-Chii Liu

Abstract:

We present a sub-10- $\mu $ W fully integrated SoC for on-device spoken language understanding (SLU). Its analog feature extractor (FEx) applies global and per-channel automatic gain control (AGC) to extend the system’s dynamic range (DR)—a critical requirement for real-world scenarios, including far-field operations. The on-chip streaming-mode recurrent …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 16
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3602936
Publisher: IEEE

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