Results 81 to 90 of about 131,587 (184)

Superconducting Chopper-Amplifier

open access: yesOyo Buturi, 1963
MATSUO, Masayuki   +3 more
openaire   +1 more source

The Circuit Design of the Receiving Part of the Portable Electroencephalogram System

open access: yesمهندسی مخابرات جنوب
In recent years, many electroencephalogram (EEG) devices have become portable and wireless. Given the requirements for mobility, EEG instruments need to be smaller, lighter, and power-efficient with reduced noise and offset.
Marzieh Moradi, Mosoud Dousti
doaj  

Correlated Noise Reduction in a CMOS ECG Amplifier: Opportunities and Limitations. [PDF]

open access: yesSensors (Basel)
Olivieri R   +6 more
europepmc   +1 more source

49Design of Low 1 /f Noise Folded Cascode Operational Amplifier by Using Chopper Stabilization Technique [PDF]

open access: yes
Biological signals have low voltage and low frequency. Very low noise, high gain, fast speed and stable amplifier are necessary to process these signals.
タンノ, コウイチ   +6 more
core  

High responsivity IR sensing based on reflectometric RF MEMS. [PDF]

open access: yesNat Commun
Gülseren ME   +5 more
europepmc   +1 more source

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