Results 1 to 10 of about 11,359 (235)
Design of Preamplifier for Ultrasound Transducers
SensorsIn diagnostic ultrasound imaging applications, preamplifiers are used as first-stage analog front-end amplifiers for ultrasound transducers because they can amplify weak acoustic signals generated directly by ultrasound transducers.
Hojong Choi, Choi Hojong
exaly +5 more sources
A Complementary Metal-Oxide-Semiconductor Optoelectronic Analog Front-End Preamplifier with Cross-Coupled Active Loads for Short-Range LiDARs [PDF]
SensorsIn this paper, a CMOS optoelectronic analog front-end (AFE) preamplifier with cross-coupled active loads for short range LiDAR applications is presented, which consists of a spatially modulated P+/N-well on-chip avalanche photodiode (APD), the ...
Yunji Song +4 more
doaj +2 more sources
High dynamic range scanning tunneling microscopy [PDF]
MethodsXWe increase the dynamical range of a scanning tunneling microscope (STM) by actively subtracting dominant current-harmonics generated by nonlinearities in the current-voltage characteristics that could saturate the current preamplifier at low junction ...
Ajla Karić +3 more
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Sensors, 2017 All the preamplifiers dedicated for Quartz Enhanced PhotoAcoustic Spectroscopy (QEPAS) applications that have so far been reported in the literature have been based on operational amplifiers working in transimpedance configurations.
Tomasz Starecki +1 more
exaly +3 more sources
Development of an intelligent preamplifier for semiconductor detectors [PDF]
Nuclear Technology and Radiation Protection, 2021 The results of engineering an intelligent preamplifier for high purity germanium gamma-detectors are presented. An intelligent preamplifier is a low-noise, high speed resistive feedback charge-sensitive preamplifier with a built-in microcontroller and ...
Kondratjev Vladimir F. +2 more
doaj +1 more source
Modelling, measurement and optimization of self-noise of hydrophone with preamplifier [PDF]
MATEC Web of Conferences, 2019 Self-noise is an important specification of hydrophone with preamplifier. This paper presents the modelling, measurement and optimization of the self-noise of hydrophone with preamplifier.
Chen Yi +4 more
doaj +1 more source
Radiation Hardness Test of a Silicon Detector under Radiation Dose Rate of Nuclear Power Plant for In-Containment Coolant Leakage Detection System [PDF]
EPJ Web of Conferences, 2021 An influence evaluation by background radiation on a silicon detector, which will be used to detect a coolant leakage, and installed in a containment building of a nuclear power plant, was performed and the result was discussed.
Kim Jongheon +3 more
doaj +1 more source
Sensors, 2023 An active electrode (AE) and back-end (BE) integrated system for enhanced electrocardiogram (ECG)/electrode-tissue impedance (ETI) measurement is proposed. The AE consists of a balanced current driver and a preamplifier. To increase the output impedance,
Xuan Tien Nguyen +2 more
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Earth, Planets and Space, 2023 Space-based search coil (SC) magnetometers connected to preamplifiers have been used to investigate magnetic field vectors of plasma waves from 100 mHz to 10 kHz for understanding magnetospheric dynamics.
Mitsunori Ozaki +3 more
doaj +1 more source
Photomultiplier tube signal conditioning for high-temperature applications
Nukleonika, 2023 Ionizing radiation detection in harsh environment conditions often requires additional signal processing to match the requirements of the commercial data readout systems.
Zezuliński Kacper +10 more
doaj +1 more source