A 250-μW, 18-nV/rtHz current-feedback chopper instrumentation amplifier in 180-nm cmos for high-performance bio-potential sensing applications
Sign Up to like & getrecommendations! Published in 2017 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-016-0853-7
Abstract: This paper presents a low-power, high-performance current-feedback instrumentation amplifier (CFIA) for portable bio-potential sensing applications. Noise analysis is performed to assign an optimized current for the input stage of the amplifier. Analysis on selecting nested… read more here.
Keywords: current feedback; bio potential; feedback; performance ... See more keywords
Low noise chopper-stabilized instrumentation amplifier with a ripple reduction loop
Sign Up to like & getrecommendations! Published in 2018 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-018-1214-5
Abstract: This paper presents a low noise and residual offset chopper-stabilized precision instrumentation amplifier intended for use in measurement systems. Conventional chopper-stabilized instrumentation amplifier introduces a necessary trade-off between the low residual offset and noise provided… read more here.
Keywords: ripple; instrumentation amplifier; stabilized instrumentation; chopper stabilized ... See more keywords
Current mode instrumentation amplifier with CDCCC
Sign Up to like & getrecommendations! Published in 2021 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-021-01890-3
Abstract: In this paper, a new current-mode instrumentation amplifier is presented using a single current differencing current controlled current conveyor building block and one grounded resistor. The proposed instrumentation amplifier (IA) can easily be cascaded due… read more here.
Keywords: instrumentation amplifier; mode instrumentation; amplifier cdccc; current mode ... See more keywords
Wide-Bandwidth Electronically Programmable CMOS Instrumentation Amplifier for Bioimpedance Spectroscopy
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3204868
Abstract: An instrumentation amplifier (IA) with continuous tuning of the voltage gain, suitable for operation over a wide frequency range, and aimed to electrical bioimpedance spectroscopy, is proposed. The operation principle of the IA is based… read more here.
Keywords: spectroscopy; instrumentation amplifier; bioimpedance spectroscopy; bandwidth ... See more keywords
A 0.8-V 82.9- $\mu$ W In-Ear BCI Controller IC With 8.8 PEF EEG Instrumentation Amplifier and Wireless BAN Transceiver
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2018.2888845
Abstract: In-ear brain–computer interface (BCI) controller system is implemented with a dedicated system-on-chip (SoC) including electroencephalography (EEG) readout and body channel communication (BCC) transceiver (TRX). The 8-mm2 chip is fabricated using 65-nm CMOS and contains three… read more here.
Keywords: instrumentation amplifier; transceiver; eeg instrumentation; amplifier ... See more keywords
Analysis of Output Ripple Shape and Amplitude in Chopper Instrumentation Amplifier
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2021.3098225
Abstract: In this brief, we analyzed the output ripple in a capacitively-coupled chopper-based instrumentation amplifier (CCIA). Our analysis found that the shape and amplitude of the output ripple of the CCIA are determined by five design… read more here.
Keywords: instrumentation amplifier; shape amplitude; output ripple; output ... See more keywords
Analysis and Measurements of an Urea Biosensor Based on Instrumentation Amplifier Chip With Cross-Coupled Technique
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3232086
Abstract: In this work, we design a high common-mode rejection ratio (CMRR) and low unity gain frequency (UGF) cross-coupled instrumentation amplifier (CCIA). This design was implemented by the Taiwan Semiconductor Manufacturing Company (TSMC) 0.18- $\mu \text{m}$… read more here.
Keywords: cross coupled; urea biosensor; biosensor; instrumentation amplifier ... See more keywords