Results 41 to 50 of about 579,501 (376)

A low-noise series-array Josephson junction parametric amplifier [PDF]

open access: yes, 1996
We have obtained parametric gain at 19 GHz from a distributed Josephson junction parametric amplifier whose active gain medium consists of a series array of 1000 Josephson junctions embedded in a coplanar waveguide.
Movshovich, R.   +3 more
core   +1 more source

DESIGN AND DEVELOPMENT OF VIBROARTHOGRAM SCREENING DEVICE AND ASSESSMENT OF JOINT MOTION IN THE PURSUIT OF SIGNAL PROCESSING

open access: yesICTACT Journal on Image and Video Processing, 2021
Abnormal conditions in the knee joint are factors to lead changes in the vibroarthro graphic signal which represents the sound or vibration emitted from the joint during flexion or extension with suitable instrumentation these signals are to be acquired ...
R Praveena   +3 more
doaj   +1 more source

Recent Advances in Real-Time Load-Pull Systems [PDF]

open access: yes, 2008
In this paper, some of the latest advances in real-time load-pull technologies will be described. A recently introduced ultralow-loss directional coupler, which has been designed and realized by the authors, provides a number of advantages when used in ...
Ferrero, Andrea Pierenrico   +2 more
core   +1 more source

0.36 μW/channel capacitively-coupled chopper instrumentation amplifier in EEG recording wearable devices for compressed sensing framework

open access: yesJapanese Journal of Applied Physics
We evaluated the effectiveness of a low-current-consumption amplifier for a compressed-sensing (CS) framework in wearable electroencephalography (EEG) recording devices.
Kenji Mii   +2 more
semanticscholar   +1 more source

In Situ Calibration of Heterogeneous Acquisition Systems: The Monitoring System of a Photovoltaic Plant [PDF]

open access: yes, 2010
This paper deals with the metrological management of an acquisition system that has been developed for monitoring an experimental photovoltaic (PV) plant.
Carullo, Alessio   +3 more
core   +1 more source

A Fully Differential Analog Front-End for Signal Processing from EMG Sensor in 28 nm FDSOI Technology

open access: yesSensors, 2023
This paper presents a novel analog front-end for EMG sensor signal processing powered by 1 V. Such a low supply voltage requires specific design steps enabled using the 28 nm fully depleted silicon on insulator (FDSOI) technology from STMicroelectronics.
Vilem Kledrowetz   +3 more
doaj   +1 more source

A Single-Stage, Capacitively-Coupled Instrumentation Amplifier With Complementary Transimpedance Boosting

open access: yesIEEE Transactions on Circuits and Systems Part 1: Regular Papers
Capacitively-Coupled Instrumentation Amplifiers (CCIAs) are widely used as AC-coupled, low-noise amplifiers in many multi-channel, area-intensive sensor interface applications.
Kian Ann Ng   +4 more
semanticscholar   +1 more source

Analysis, Simulation, and Development of a Low-Cost Fully Active-Electrode Bioimpedance Measurement Module

open access: yesTechnologies, 2021
A low-cost 1 kHz–400 kHz operating frequency fully-active electrode bioimpedance measurement module, based on Howland current source, is presented in this paper.
Christos Dimas   +5 more
doaj   +1 more source

Low cost instrumentation amplifier [PDF]

open access: yes, 1974
Amplifier can be used for many applications requiring high input impedance and common mode rejection, low drift, and gain accuracy on order of one percent. Performance of inexpensive amplifier approaches that of some commercial instrumentation amplifiers
Sturman, J. C.
core   +1 more source

Optimization of MKID Noise Performance Via Readout Technique for Astronomical Applications [PDF]

open access: yes, 2010
Detectors employing superconducting microwave kinetic inductance detectors (MKIDs) can be read out by measuring changes in either the resonator frequency or dissipation. We will discuss the pros and cons of both methods, in particular, the readout method
Anastasios Vayonakisa   +22 more
core   +3 more sources

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