Results 11 to 20 of about 123,487 (278)
Ultralow-Noise Chopper Amplifier for Seafloor E-Field Measurement [PDF]
SensorsThe seafloor E-field signal is extremely weak and difficult to measured, even with a high signal-to-noise ratio. The preamplifier for electrodes is a key technology for ocean-bottom electromagnetic receivers.
Sixuan Song, Kai Chen
exaly +5 more sources
Novel Tunable Pseudoresistor-Based Chopper-Stabilized Capacitively Coupled Amplifier and Its Machine Learning-Based Application [PDF]
MicromachinesThis work presents a high-common-mode-rejection-ratio (CMRR) and high-gain FinFET-based bio-potential amplifier with a novel CMRR reduction technique. In this paper, a feedback buffer is used alongside a capacitively coupled chopper-stabilized circuit to
Mohammad Aleem Farshori +8 more
doaj +3 more sources
Applied Sciences (Switzerland), 2020 This paper proposes a low noise readout integrated circuit (IC) with a chopper-stabilized multipath operational amplifier suitable for a Wheatstone bridge sensor.
Hyoungho Ko +2 more
exaly +4 more sources
Design of a 0.5 V Chopper-Stabilized Differential Difference Amplifier for Analog Signal Processing Applications [PDF]
Sensors, 2023 This paper presents a low-voltage low-power chopper-stabilized differential difference amplifier (DDA) realized using 40 nm CMOS technology. Operating with a supply voltage of 0.5 V, a three-stage DDA has been employed to achieve an open-loop gain of 89 ...
Pak Kwong Chan, Xinlan Fan
exaly +4 more sources
Chopper-Stabilized Instrumentation Amplifier with Automatic Frequency Tuning Loop
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
Ming-Yu Yen, Hsiao Chin Chen
exaly +4 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,
Pietro Maris Ferreira +2 more
exaly +4 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 +2 more sources
A chopper amplifier with adaptive biasing OTA for biomedical applications, featuring high gain and CMRR. [PDF]
PLoS ONEThis paper presents a design of fully differential chopper amplifier employing the flipped voltage follower (FVF) adaptive biasing technique, focusing on its potential use in biopotential recording applications.
Bhaskara Rao Kasipogula +1 more
doaj +2 more sources
Applied Sciences (Switzerland), 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.
Hyoungho Ko +2 more
exaly +3 more sources
Applied Sciences (Switzerland), 2020 This paper presents a low-noise chopper operational amplifier using a lateral PNP input stage with bipolar junction transistor (BJT) current mirror base current cancellation.
Hyoungho Ko +2 more
exaly +3 more sources