Results 11 to 20 of about 124,127 (185)
A Chopper-Stabilized Amplifier With a Tunable Bandwidth for EEG Acquisition Applications
IEEE Access, 2019 A chopper-stabilized amplifier for bio-potential signal acquisition applications is presented. The proposed design includes an AC-coupled chopper-stabilized amplifier to reduce the 1/f noise and a tunable MOS-capacitor and a tunable pseudo-resistor to ...
Chung-Jae Lee, Jong-In Song
exaly +3 more sources
Applied Sciences, 2019 This paper presents a low-noise multi-path operational amplifier for high-precision sensors. A chopper stabilization technique is applied to the amplifier to remove offset and flicker noise.
Jaesung Kim +7 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]
SensorsThis 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 +5 more
doaj +2 more sources
Journal of Low Power Electronics and ApplicationsChopper 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 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 +2 more
doaj +2 more sources
A Low-Noise Amplifier for Submarine Electric Field Signal Based on Chopping Amplification Technology [PDF]
SensorsIn 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 +4 more
doaj +2 more sources
Zero Drift Infrared Radiation Thermometer Using Chopper Stabilised Pre-Amplifier [PDF]
Applied Sciences, 2020 A zero-drift, mid–wave infrared (MWIR) thermometer constructed using a chopper stabilised operational amplifier (op-amp) was compared against an identical thermometer that utilised a precision op-amp.
Andrew D. Heeley +2 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
Walailak Journal of Science and Technology, 2021 Biopotential signals are created as a result of the electrochemical activity of the many cells that comprise the nervous system, and they represent both normal and pathological organ function.
Ankit ADESARA, Amisha NAIK
doaj +3 more sources
IEEE Access, 2022 Resistive bridge sensors are used in many application areas to measure changes in physical parameters. To amplify the resistive changes from sensing elements with high precision, various offset contributors in the resistive bridge and amplifiers should ...
Mookyoung Yoo +5 more
doaj +1 more source