4 papers
A Time-Domain Dual-Edge Asynchronous Pipelined SAR ADC Featuring Reset-Free Quantization at Multi-GS/s
Richard Zeng, Anthony Chan Carusone, Xilin Liu
Time-domain ADCs are attractive for high-speed wireline receivers, as time resolution scales favorably with advanced CMOS technologies, enabling multi-GS/s single-channel sampling…
Vision Transformer Accelerator ASIC for Real-Time Low-Power Sleep Staging
Tristan Robitaille, Xilin Liu
This paper presents SleepViT, a custom accelerator ASIC for real-time, low-power sleep stage classification in wearable devices. At the core of SleepViT is a lightweight vision tra…
OpenNIRScap: An Open-Source, Low-Cost Wearable Near-Infrared Spectroscopy-based Brain Interfacing Cap
Tony Kim, Haotian Liu, Chiung-Ting Huang +2
Functional Near-Infrared Spectroscopy (fNIRS) is a non-invasive, real-time method for monitoring brain activity by measuring hemodynamic responses in the cerebral cortex. However,…
Development of a Compact High-Voltage Functional Electrical Stimulation Device
Haiduo Wang, Ruizhe Tang, Xilin Liu
This report details the design and development of a compact high-voltage functional electrical stimulation (FES) device. Unlike conventional FES systems, the proposed design priori…