A cmos bd-bci: Neural recorder with two-step time-domain quantizer and multi-polar stimulator with dual-mode charge balancing

AR Danesh, H Pu, M Safiallah, AH Do… - … Circuits and Systems, 2024 - ieeexplore.ieee.org
This work presents a bi-directional brain-computer interface (BD-BCI) including a high-
dynamic-range (HDR) two-step time-domain neural acquisition (TTNA) system and a high …

An isolated frequency compensation technique for ultra-low-power low-noise two-stage OTAs

AR Danesh, M Safiallah, H Pu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This brief presents a novel isolated frequency compensation (IFC) technique for ultra-low-
power (ULP) low-noise two-stage operational transconductance amplifiers (OTAs) with high …

A Current-Adjusting Auto-Zeroing Technique for DC-Offset and Flicker-Noise Cancellation

M Safiallah, AR Danesh, H Pu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article presents a current-adjusting auto-zeroing (CAAZ) scheme that overcomes the
critical shortcomings of state-of-the-art auto-zero-based offset and low-frequency noise …