Results 21 to 30 of about 131,587 (184)

A Chopper Stabilization Audio Instrumentation Amplifier for IoT Applications

Journal of Low Power Electronics and Applications, 2020
A low-noise instrumentation amplifier dedicated to a nano- and micro-electro-mechanical system (M&NEMS) microphone for the use in Internet of Things (IoT) applications is presented. The piezoresistive sensor and the electronic interface are respectively,
Jamel Nebhen, Pietro M. Ferreira, Sofiene Mansouri   +2 more
doaj   +2 more sources

The Implementation of a High-Performance Glucose Biosensor Based on Differential EGFET and Chopper Amplifier

IEEE Journal of the Electron Devices Society
In this paper, a new architecture for glucose biosensors is proposed, which adopts a Chopper amplifier instead of a conventional instrumentation amplifier (INA) and differential extended gate field effect transistor (EGFET) as the input stage.
Po-Yu Kuo, Chi-Han Liao, Jung-Chuan Chou, Chih-Hsien Lai, Yu-Hsun Nien, Po-Hui Yang, Ming-Tai Hsu, Cheng-Chun Lien, Wei-Shun Chen, Jyun-Ming Huang, Yu-Wei Chen   +10 more
doaj   +2 more sources

A 35 nV/√Hz Analog Front-End Circuit with Adjustable Bandwidth and Gain in UMC 40 nm CMOS for Biopotential Signal Acquisition [PDF]

Sensors
This paper presents a 35 nV/√Hz analog front-end (AFE) circuitdesigned in the UMC 40 nm CMOS technology for the acquisition of biopotential signal. The proposed AFE consists of a capacitive-coupled instrumentation amplifier (CCIA) and a combination of a ...
Lu Liu, Bin Wang, Yiren Xu, Xiaokun Lin, Weitao Yang, Yinglong Ding   +5 more
doaj   +2 more sources

A 1.87 µW Capacitively Coupled Chopper Instrumentation Amplifier With a 0.36 mV Output Ripple and a 1.8 GΩ Input Impedance for Biomedical Recording

Journal of Low Power Electronics and Applications
Chopper and capacitively coupled techniques are employed in instrumentation amplifiers to create capacitively coupled chopper instrumentation amplifiers (CCIAs) that obtain a high noise power efficiency.
Xuan Thanh Pham, Kha Hoang
exaly   +3 more sources

A Low-Noise Amplifier for Submarine Electric Field Signal Based on Chopping Amplification Technology [PDF]

Sensors
In the exploration of ocean resources, the submarine electric field signal plays a crucial role through marine electromagnetic methods. However, due to the field signal’s low-frequency and weak characteristics, it often encounters interference from the ...
Fenghai Liu, Shaoheng Chun, Rujun Chen, Chao Xu, Xun Cao   +4 more
doaj   +2 more sources

A chopper-stabilized CMOS operational amplifier [PDF]

The chopper-stabilized operational amplifier has good low frequency noise properties. Unfortunately a simple technique for simulation of the chopper-stabilized operational amplifier has not been available.
Ann, Seung-Han
core   +6 more sources

An implantable epileptic signal detector with wireless charging and wireless communication

Dianzi Jishu Yingyong, 2018
An epileptic signal detector with wireless charging and wireless communication is proposed in this work, which can be used to build a closed-loop neurostimulator.
Qian Nixin, Zhu Yunfan, Shi Huan, Zhong Binbin, Wu Jinli, Wang Jie, Li Xiaolong   +6 more
doaj   +1 more source

Low-Noise Chopper-Stabilized Zero-Drift Amplifier With SAR-Assisted Automatic Offset Calibration Loop

IEEE Access, 2023
This paper presents a low-noise chopper-stabilized zero-drift amplifier with successive approximation register (SAR)-assisted automatic offset calibration loop (AOCL).
Gibae Nam, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Hyeoktae Son, Kyounghwan Kim, Jihyang Wi, Seungmin Ahn, Hyoungho Ko   +9 more
doaj   +1 more source

Analysis of Sensitivity and Power Consumption of Chopping Techniques for Integrated Capacitive Sensor Interface Circuits

Journal of Low Power Electronics and Applications, 2017
In this paper, parameters related to the sensitivity of the interface circuits for capacitive sensors are determined. Both the input referred noise and capacitance of the input transistors are important for capacitive sensitivity.
Parisa Vejdani, Karim Allidina, Frederic Nabki   +2 more
doaj   +1 more source

Low-Noise Potentiostat Readout Circuit with a Chopper Fully Differential Difference Amplifier for Glucose Monitoring

Applied Sciences, 2022
This paper presents a low-noise potentiostat readout circuit with a chopper fully differential difference amplifier (FDDA) for glucose monitoring. Glucose monitoring is necessary for the early diagnosis of diabetes complications and for health management.
Gyuri Choi, Kyeongsik Nam, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Kyounghwan Kim, Hyeoktae Son, Hyoungho Ko   +7 more
doaj   +1 more source