Results 1 to 10 of about 12,003 (292)
A Doherty Power Amplifier for Ultrasound Instrumentation
Sensors, 2023 The ultrasound instrumentation uses linear power amplifiers with low power efficiency, generating unwanted heat and resulting in the deterioration of the echo signal quality of measured targets.
Hojong Choi, Choi Hojong
exaly +6 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
exaly +4 more sources
Design of CMOS Instrumentation Amplifier
Procedia Engineering, 2012 AbstractA low power CMOS instrumentation amplifier used for biomedical applications is presented in this paper. It consists of a low power operational amplifier with CMFC structure. By analysis and optimization of the parasitic effects and parameters, instrumentation amplifier has better performance in every aspect.
Ren, M.Y., Zhang, C.X., Sun, D.S.
exaly +3 more sources
EoG based Biopotential Instrumentation Amplifier [PDF]
E3S Web of Conferences, 2023 To examine the biomedical signals from the human body is of a challenging task. Signal acquisition of the biosignal needs proper design methodology with the estimation of consequences further.
Katikala Hima Bindu +7 more
doaj +2 more sources
Chopper-Stabilized Instrumentation Amplifier with Automatic Frequency Tuning Loop [PDF]
Micromachines, 2018 A variable-gain chopper-stabilized instrumentation amplifier (chopper IA), which employs a low pass filter (LPF) to attenuate the up-converted noise at the chopping frequency, is presented. The circuit is designed and fabricated with Taiwan Semiconductor
Chen-Mao Wu +3 more
doaj +2 more sources
Measured behaviour of a memristor‐based tuneable instrumentation amplifier
Electronics Letters, 2022 A memristor‐based tuneable instrumentation amplifier whose gain value can be adjusted by memristor is implemented and measured. While memristive devices are suitable for implementing reconfigurable circuit designs, their non‐linear characteristic and ...
Fan Yang +2 more
doaj +2 more sources
A Dynamic Instrumentation Amplifier for Low-Power and Low-Noise Biopotential Acquisition [PDF]
Sensors, 2016 A low-power and low-noise dynamic instrumentation amplifier (IA) for biopotential acquisition is presented. A dynamic IA that can reduce power consumption with a timely piecewise power-gating method, and noise level with an alternating input and chopper ...
Jongpal Kim, Hyoungho Ko
doaj +2 more sources
Electronic Noise Measurement of a Magnetoresistive Sensor: A Comparative Study [PDF]
SensorsThe intrinsic noise of giant magnetoresistive (GMR) sensors is large at low frequencies, and their resolution is inevitably significantly limited. Investigation of GMR noise requires the use of measurement systems that have lower noise than the sample ...
Cristina Davidaș +5 more
doaj +2 more sources
Current-Feedback Instrumentation Amplifier Using Dual-Chopper Fill-In Technique
Applied Sciences, 2022 In this study, we describe a dual-chopper glitch-reduction current-feedback instrumentation amplifier (CFIA) with a ripple reduction loop. The amplifier employs the chopping technique to reduce low-frequency noise, such as 1/f noise.
Gyuri Choi +7 more
doaj +1 more source