Results 201 to 210 of about 299,019 (288)

Design and Implementation of a Low-Power Biopotential Amplifier in 28 nm CMOS Technology with a Compact Die-Area of 2500 μm² and an Ultra-High Input Impedance. [PDF]

Sensors (Basel)
Ranjbar Koleibi E, Lemaire W, Koua K, Benhouria M, Bostani R, Serri Mazandarani M, Gauthier LP, Besrour M, Ménard J, Majdoub M, Gosselin B, Roy S, Fontaine R.   +12 more
europepmc   +1 more source

Long-Lived Charge-Separated States in Self-Assembled TiO₂ Photoanodes Incorporating a Spin-Transition Cobalt Complex. [PDF]

J Phys Chem C Nanomater Interfaces
Cheng TC, Vorobyev V, Pearson S, Abeynayake NS, Slebodnick C, Shi Z, Morris AJ.   +6 more
europepmc   +1 more source

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Flicker Noise Analysis on Chopper Amplifier

2021 19th IEEE International New Circuits and Systems Conference (NEWCAS), 2021
This paper aims to maximize the performance of the chopper amplifier, considering the design trade-off between noise and power consumption. To achieve the goal, we identify and model the various sources of flicker noise in the amplifier and switches using Verilog-AMS language. Then, we build a chopper amplifier circuit and investigate the influences of
Ting Zhou, Zhuo Gao, Jiajie Huang, Yewangqing Lu, Mingyi Chen, Yongfu Li 0002   +5 more
openaire   +2 more sources

Low-Noise Operational Amplifier Using Dual-Path Dual-Chopper Fill-in Technique

IEEE Sensors Journal
A low-noise operational amplifier is the key building block of the high-precision sensor interface circuit. Conventional continuous-time operational amplifiers suffer from low-frequency noise components, and multipath amplifiers are a good solution to ...
Hyoungho Ko, Mookyoung Yoo, Sanggyun Kang   +2 more
exaly   +2 more sources

Low Power Bandgap Reference Using Chopper Amplifier

Lecture Notes in Electrical Engineering, 2021
Sujata S. Kotabagi, Chetan Hanakanahalli, A. Santra   +2 more
exaly   +2 more sources

A 1.8–GΩ Input-Impedance 0.15–μV Input-Referred–Ripple Chopper Amplifier With Local Positive Feedback and SAR-Assisted Ripple Reduction

IEEE Journal of Solid-State Circuits, 2023
This article presents a chopper-stabilized multipath current-feedback instrumentation amplifier (CFIA) that can also be reconfigured to a general-purpose operational amplifier (OPA).
Tianxiang Qu, Qinjing Pan, Liheng Liu, Xiaoyang Zeng, Zhiliang Hong, Jiawei Xu   +5 more
semanticscholar   +1 more source

A chopper amplifier with a pseudo MOS resistor-based tunable bandwidth for EEG applications

Microelectronics international, 2023
Purpose The purpose of chopper amplifier is to provide the wideband frequency to support biomedical signals. Design/methodology/approach This paper proposes a chopper-stabilized amplifier with a cascoded operational transconductance amplifier.
Amrita Sajja, S. Rooban
semanticscholar   +1 more source

A 1.8-GΩ Input Impedance 45-dB Ripple Reduction Factor Chopper Amplifier for Biomedical Recording

International Conference on Autonomic and Trusted Computing, 2023
The chopping technique is widely used in biomedical amplifiers to create a biomedical chopper amplifier (BiCA) which achieves high noise efficiency. However, this approach brings some critical disadvantages to BiCA, such as: (1) output ripple appearance;
X. Tran, Xuan Thanh Pham, X. Kieu, Le Cuong Nguyen, D. Pham, Manh Kha Hoang   +5 more
semanticscholar   +1 more source

A High Gain and High CMRR Chopper Amplifier Using Current Splitting OTA for Biomedical Applications

2023 International Conference on Next Generation Electronics (NEleX), 2023
This paper proposes a capacitively-coupled current splitting OTA designed specifically for biomedical recording applications, focusing on achieving power efficiency, low noise, and high swing. The utilization of contemporary current splitting and current
Bhaskara Rao Kasipogula, Gurumurthy Komanapalli, Manikata Kurivella   +2 more
semanticscholar   +1 more source