Pub Date : 2023-06-08DOI: 10.1109/iwasi58316.2023.10164392
{"title":"Session 6: Sensors and detectors for high-energy physics","authors":"","doi":"10.1109/iwasi58316.2023.10164392","DOIUrl":"https://doi.org/10.1109/iwasi58316.2023.10164392","url":null,"abstract":"","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115861147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164553
Stefano Calvo, Mattia Barezzi, D. Demarchi, U. Garlando
Population growth and global warming are the main threats to food production. Food security, producing enough food for the entire population, is becoming harder, and new strategies must be applied. Smart agriculture tackles this problem by integrating field sensors and data with the farmers’ knowledge to increase crop yield and reduce resource waste.This paper proposes a system to monitor the plant water stress status. This system monitors the plant directly and does not rely on environmental sensors. Acquired data are sent to a remote server thanks to LoRa communication. The designed system is low-power and relies on a single battery with more than five years of expected lifetime. The system monitors the trunk electrical impedance of plants thanks to a relaxation oscillator with a portion of the trunk in the feedback loop. This way, changes in the impedance are reflected in changes in the oscillator frequency.Two systems were installed directly in the fields and connected to apple trees. Statistical analyses were performed on the acquired data. The correlation between the trunk frequency values and the soil water potential is above 75% for both plants.The proposed system is low-power and low-cost and could be directly adopted in the fields. It can detect the water status of plants directly, avoiding environmental sensors.
{"title":"In-vivo proximal monitoring system for plant water stress and biological activity based on stem electrical impedance","authors":"Stefano Calvo, Mattia Barezzi, D. Demarchi, U. Garlando","doi":"10.1109/IWASI58316.2023.10164553","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164553","url":null,"abstract":"Population growth and global warming are the main threats to food production. Food security, producing enough food for the entire population, is becoming harder, and new strategies must be applied. Smart agriculture tackles this problem by integrating field sensors and data with the farmers’ knowledge to increase crop yield and reduce resource waste.This paper proposes a system to monitor the plant water stress status. This system monitors the plant directly and does not rely on environmental sensors. Acquired data are sent to a remote server thanks to LoRa communication. The designed system is low-power and relies on a single battery with more than five years of expected lifetime. The system monitors the trunk electrical impedance of plants thanks to a relaxation oscillator with a portion of the trunk in the feedback loop. This way, changes in the impedance are reflected in changes in the oscillator frequency.Two systems were installed directly in the fields and connected to apple trees. Statistical analyses were performed on the acquired data. The correlation between the trunk frequency values and the soil water potential is above 75% for both plants.The proposed system is low-power and low-cost and could be directly adopted in the fields. It can detect the water status of plants directly, avoiding environmental sensors.","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131990833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164525
C. Caliendo, D. Cannatà, M. Benetti, A. Buzzin
c-axis oriented piezoelectric ZnO layers were grown by rf reactive magnetron sputtering technique onto fused silica substrates. The propagation of the fundamental mode, the Rayleigh wave, and its harmonics (third and ninth) was excited by metal interdigitated transducers (80 μm wavelength) photolithographically implemented onto the free surface of the ZnO layer (4 μm thick). The acoustoelectric effect, the waves velocity changes induced by the UV light adsorption in the photoconductive ZnO layer, was experimentally investigated at some UV power densities 365 nm. The ZnO/fused silica substrates were illuminated from the top surface or from the back surface of the ZnO layer (through the fused silica substrate) for UV power values up to about 0.45 W. The sensors sensitivities, the relative velocity shift per unit UV power density, were calculated for the fundamental and third harmonic modes for top illumination (1044 and 2305 ppm/(mWcm-2) and for back illumination (1084 and 2488 ppm/(mWcm-2). The third harmonic wave, whose resonant frequency is about three times the resonant frequency of the fundamental mode, has sensitivity larger than that of the latter. Both the two sensors tested under back illumination have a sensitivity larger than that measured under front illumination. The ninth harmonic mode as well was tested for UV sensing at 365 nm: it is sensitive to UV but its sensitivity could not be measured with good accuracy due to the high insertion loss of the mode (equal to - 80 dB) which was much larger than that of the fundamental and third harmonic mode (equal to -62 and -50 dB).
{"title":"UV sensors based on the propagation of the fundamental and third harmonic Rayleigh waves in ZnO/fused silica","authors":"C. Caliendo, D. Cannatà, M. Benetti, A. Buzzin","doi":"10.1109/IWASI58316.2023.10164525","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164525","url":null,"abstract":"c-axis oriented piezoelectric ZnO layers were grown by rf reactive magnetron sputtering technique onto fused silica substrates. The propagation of the fundamental mode, the Rayleigh wave, and its harmonics (third and ninth) was excited by metal interdigitated transducers (80 μm wavelength) photolithographically implemented onto the free surface of the ZnO layer (4 μm thick). The acoustoelectric effect, the waves velocity changes induced by the UV light adsorption in the photoconductive ZnO layer, was experimentally investigated at some UV power densities 365 nm. The ZnO/fused silica substrates were illuminated from the top surface or from the back surface of the ZnO layer (through the fused silica substrate) for UV power values up to about 0.45 W. The sensors sensitivities, the relative velocity shift per unit UV power density, were calculated for the fundamental and third harmonic modes for top illumination (1044 and 2305 ppm/(mWcm-2) and for back illumination (1084 and 2488 ppm/(mWcm-2). The third harmonic wave, whose resonant frequency is about three times the resonant frequency of the fundamental mode, has sensitivity larger than that of the latter. Both the two sensors tested under back illumination have a sensitivity larger than that measured under front illumination. The ninth harmonic mode as well was tested for UV sensing at 365 nm: it is sensitive to UV but its sensitivity could not be measured with good accuracy due to the high insertion loss of the mode (equal to - 80 dB) which was much larger than that of the fundamental and third harmonic mode (equal to -62 and -50 dB).","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130606409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164530
Luigi Pugliese, Michele Guagnano, Sara Groppo, Massimo Violante, Riccardo Groppo
Obstructive Sleep Apnea Syndrome (OSAS) is a common sleep disorder characterized by repeated episodes of breathing cessation during sleep. It affects the quality of life and can lead to severe health complications. Continuous monitoring of Heart Rate Variability (HRV) and oxygen saturation (SpO2) can provide valuable insights into the presence and severity of sleep apnea. The algorithm herein proposed aims to identify the presence of OSAS and then to highly accurately differentiate (Severe, Moderate or Low) its severity level. The algorithm was evaluated on an online dataset; at the end of the algorithm assessment, a correlation coefficient of 98.65% was reached.
{"title":"Rule-based Sleep-Apnea detection algorithm","authors":"Luigi Pugliese, Michele Guagnano, Sara Groppo, Massimo Violante, Riccardo Groppo","doi":"10.1109/IWASI58316.2023.10164530","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164530","url":null,"abstract":"Obstructive Sleep Apnea Syndrome (OSAS) is a common sleep disorder characterized by repeated episodes of breathing cessation during sleep. It affects the quality of life and can lead to severe health complications. Continuous monitoring of Heart Rate Variability (HRV) and oxygen saturation (SpO2) can provide valuable insights into the presence and severity of sleep apnea. The algorithm herein proposed aims to identify the presence of OSAS and then to highly accurately differentiate (Severe, Moderate or Low) its severity level. The algorithm was evaluated on an online dataset; at the end of the algorithm assessment, a correlation coefficient of 98.65% was reached.","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"708 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122989648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164513
R. Radogna, A. Stamerra, Caterina Aruta, A. Colaleo, L. Longo, A. Pellecchia, R. Venditti, P. Verwilligen, A. Zaza
The proposal to create a Muon Collider with Multi-TeV energy levels presents an unprecedented opportunity for advancing high energy physics research. With this collider, it will be possible to accurately measure the Higgs coupling with other Standard Model particles, as well as the trilinear and quadrilinear Higgs self-coupling. By doing so, researchers hope to gain a more precise understanding of the Higgs potential and potentially discover evidence of new physics beyond the Standard Model. However, one of the primary challenges for this project is dealing with the high background radiation caused by decaying muons in the beam. To address this, an innovative hadronic calorimeter has been designed that utilizes Micro Pattern Gas Detectors (MPGDs) as active layers. MPGDs are ideal for high radiation environments and offer high granularity for precise spatial measurements. The calorimeter has been optimized for jet reconstruction and background suppression, and its design and layout have been simulated using the Geant4 toolkit to support detector R&D. This article details the design and optimization of the MPGD-based hadronic calorimeter.
{"title":"Simulation and Design of a MPGD-based hadronic calorimeter for experiments at Muon Colliders","authors":"R. Radogna, A. Stamerra, Caterina Aruta, A. Colaleo, L. Longo, A. Pellecchia, R. Venditti, P. Verwilligen, A. Zaza","doi":"10.1109/IWASI58316.2023.10164513","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164513","url":null,"abstract":"The proposal to create a Muon Collider with Multi-TeV energy levels presents an unprecedented opportunity for advancing high energy physics research. With this collider, it will be possible to accurately measure the Higgs coupling with other Standard Model particles, as well as the trilinear and quadrilinear Higgs self-coupling. By doing so, researchers hope to gain a more precise understanding of the Higgs potential and potentially discover evidence of new physics beyond the Standard Model. However, one of the primary challenges for this project is dealing with the high background radiation caused by decaying muons in the beam. To address this, an innovative hadronic calorimeter has been designed that utilizes Micro Pattern Gas Detectors (MPGDs) as active layers. MPGDs are ideal for high radiation environments and offer high granularity for precise spatial measurements. The calorimeter has been optimized for jet reconstruction and background suppression, and its design and layout have been simulated using the Geant4 toolkit to support detector R&D. This article details the design and optimization of the MPGD-based hadronic calorimeter.","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"351 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123187321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/iwasi58316.2023.10164388
{"title":"Session 9: Brain Computer Interfaces","authors":"","doi":"10.1109/iwasi58316.2023.10164388","DOIUrl":"https://doi.org/10.1109/iwasi58316.2023.10164388","url":null,"abstract":"","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131807809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164496
A. V. Radogna, E. Sciurti, L. Francioso, M. Signore, G. Grassi, C. Pascali, Stefano D’Amico
In this paper, a measurement system aimed to the fast classification of water contamination in oil samples will be presented. The transduction principle is based on the permittivity change of an interdigital capacitor which changes its capacitance value while immersed in oil samples with different water concentrations. Differently from other works, the presented system proposes a circuit and a measurement approach. It combines the broadband excitation property of MLS-based impulse response (IR) measurements with the support vector machine (SVM) machine-learning (ML) model. This approach allows to speed up the measurements, thus reducing the energy-per-measurement parameter in order to make the system suitable for battery-powered portable devices. The theoretical foundations, the circuit-level description of the analog front-end, and the used ML model will be presented in detail. The classification capability of the system will be proved by evaluating 40 IRs from 6 prepared oil samples at water concentrations of 0 vol%, 0.2 vol%, 0.5 vol%, 1 vol%, 2 vol%, and 3 vol%. The proposed system is able to measure a 1023-point IR in 700 ms, which is better than the state-of-the-art. Finally, an overall classification accuracy of 90% is obtained after the SVM training process with a 10 fold cross-validation.
{"title":"A Combined Measurement System for Fast Classification of Water Contamination in Lubricant Oil","authors":"A. V. Radogna, E. Sciurti, L. Francioso, M. Signore, G. Grassi, C. Pascali, Stefano D’Amico","doi":"10.1109/IWASI58316.2023.10164496","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164496","url":null,"abstract":"In this paper, a measurement system aimed to the fast classification of water contamination in oil samples will be presented. The transduction principle is based on the permittivity change of an interdigital capacitor which changes its capacitance value while immersed in oil samples with different water concentrations. Differently from other works, the presented system proposes a circuit and a measurement approach. It combines the broadband excitation property of MLS-based impulse response (IR) measurements with the support vector machine (SVM) machine-learning (ML) model. This approach allows to speed up the measurements, thus reducing the energy-per-measurement parameter in order to make the system suitable for battery-powered portable devices. The theoretical foundations, the circuit-level description of the analog front-end, and the used ML model will be presented in detail. The classification capability of the system will be proved by evaluating 40 IRs from 6 prepared oil samples at water concentrations of 0 vol%, 0.2 vol%, 0.5 vol%, 1 vol%, 2 vol%, and 3 vol%. The proposed system is able to measure a 1023-point IR in 700 ms, which is better than the state-of-the-art. Finally, an overall classification accuracy of 90% is obtained after the SVM training process with a 10 fold cross-validation.","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"45 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124945262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164620
P. Harpe, Yuting Shen, Hanyue Li, Kevin Pelzers, Haoming Xin, E. Cantatore
This paper reviews several examples of ultra low power sensor interfaces for IoT applications. In such applications, the sensing operation is often performed at a relatively low frequency, and sometimes it is heavily duty-cycled, or it should be triggered by particular events or thresholds. The paper reviews why dynamic sensor interface architectures are a good choice in this context, and gives several design examples that can operate dynamically and that can be triggered by a single clock pulse. Suitable ADC design strategies are explained, and two exemplary sensor interfaces are described: a capacitive sensor interface, and a resistor-based temperature sensor interface including analog correction techniques. Both designs are reviewed and the main features in terms of efficiency and performance are discussed.
{"title":"Ultra Low Power Event-Driven Sensor Interfaces","authors":"P. Harpe, Yuting Shen, Hanyue Li, Kevin Pelzers, Haoming Xin, E. Cantatore","doi":"10.1109/IWASI58316.2023.10164620","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164620","url":null,"abstract":"This paper reviews several examples of ultra low power sensor interfaces for IoT applications. In such applications, the sensing operation is often performed at a relatively low frequency, and sometimes it is heavily duty-cycled, or it should be triggered by particular events or thresholds. The paper reviews why dynamic sensor interface architectures are a good choice in this context, and gives several design examples that can operate dynamically and that can be triggered by a single clock pulse. Suitable ADC design strategies are explained, and two exemplary sensor interfaces are described: a capacitive sensor interface, and a resistor-based temperature sensor interface including analog correction techniques. Both designs are reviewed and the main features in terms of efficiency and performance are discussed.","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128840730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164374
G. Barile, Paolo Esposito, V. Stornelli, G. Ferri
In this work, we propose an analog fully differential interface for capacitive sensors. The working principle of the proposed solution is based on an auto-balancing bridge topology entirely formed by capacitive components. In particular, two capacitors form the sensor, while other components are voltage-controlled capacitors (VCCs) which in steady-state conditions follow sensor capacitor values through a negative feedback performing the zero-convergence of the differential output at the bridge. Theoretical curves involving VCCs control voltages have been extracted and compared with experimental values on a discrete component printed circuit board (PCB), showing very good agreement. The effect of parasitic capacitances have been also considered from evaluations on the PCB, obtaining that their contribution increases if the reference baseline capacitance of the auto-balanced bridge decreases. This study opens to further investigations about modeling and compensation of these capacitance sensors.
{"title":"A novel interface architecture for differential capacitive sensors","authors":"G. Barile, Paolo Esposito, V. Stornelli, G. Ferri","doi":"10.1109/IWASI58316.2023.10164374","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164374","url":null,"abstract":"In this work, we propose an analog fully differential interface for capacitive sensors. The working principle of the proposed solution is based on an auto-balancing bridge topology entirely formed by capacitive components. In particular, two capacitors form the sensor, while other components are voltage-controlled capacitors (VCCs) which in steady-state conditions follow sensor capacitor values through a negative feedback performing the zero-convergence of the differential output at the bridge. Theoretical curves involving VCCs control voltages have been extracted and compared with experimental values on a discrete component printed circuit board (PCB), showing very good agreement. The effect of parasitic capacitances have been also considered from evaluations on the PCB, obtaining that their contribution increases if the reference baseline capacitance of the auto-balanced bridge decreases. This study opens to further investigations about modeling and compensation of these capacitance sensors.","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129046822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-08DOI: 10.1109/IWASI58316.2023.10164617
C. Aramo, E. Bissaldi, M. Bitossi, G. Robertis, L. Venere, F. Giordano, Simone Incardona, F. Licciulli, Pierpaolo Loizzo, S. Loporchio, G. Marsella, F. Pantaleo, R. Paoletti, G. Tripodo
We present the characterization of the new Frontend Electronics (FEE) developed for the Schwarzschild-Couder Telescope (SCT) camera of the CTA experiment. The new FEE is based on a new Application-Specific Integrated Circuit (ASIC) intended to read-out arrays of Silicon Photomultipliers (SiPMs) for low-level light detection down to the single photoelectron, called SMART (SiPM Multichannel ASIC for high Resolution Cherenkov Telescopes). The analog channel is composed of a high speed path with programmable gain and pole-zero filter designed for photon-counting. An external fast digitizer can be used for the photon-counting analysis. A slow path allows the measurement of the mean SiPM current, sampled by an internal 10-bit ADC. We present the characterization results obtained when coupling the SMART to a 16 SiPM matrix produced by Fondazione Bruno Kessler (FBK). Results in terms of charge spectrum, signal-to-noise ratio and dynamic range will be presented. The SMART ASIC was then coupled to the SCT readout electronics based on the TARGET ASICs, able to digitize waveforms at a frequency of 1GS/s and to generate trigger signals. In this work, we further present the preliminary characterization obtained on the full FEE chain.
本文介绍了用于CTA实验的史瓦西- couder望远镜(SCT)相机的新型前端电子器件(FEE)的特性。新的FEE基于一种新的专用集成电路(ASIC)，旨在读出硅光电倍增管(SiPMs)阵列，用于低强度光探测，直到单个光电子，称为SMART(用于高分辨率切伦科夫望远镜的SiPM多通道ASIC)。模拟通道由高速可编程增益路径和用于光子计数的极零滤波器组成。外部快速数字化仪可用于光子计数分析。慢路径允许测量平均SiPM电流，由内部10位ADC采样。我们展示了将SMART与Fondazione Bruno Kessler (FBK)生产的16 SiPM矩阵耦合时获得的表征结果。将给出电荷谱、信噪比和动态范围方面的结果。然后，SMART ASIC与基于TARGET ASIC的SCT读出电子器件耦合，能够以1GS/s的频率数字化波形并产生触发信号。在这项工作中，我们进一步介绍了在整个FEE链上获得的初步表征。
{"title":"Characterization of the upgraded Frontend Electronics of the Shwarzschild-Couder Telescope based on the SMART ASIC","authors":"C. Aramo, E. Bissaldi, M. Bitossi, G. Robertis, L. Venere, F. Giordano, Simone Incardona, F. Licciulli, Pierpaolo Loizzo, S. Loporchio, G. Marsella, F. Pantaleo, R. Paoletti, G. Tripodo","doi":"10.1109/IWASI58316.2023.10164617","DOIUrl":"https://doi.org/10.1109/IWASI58316.2023.10164617","url":null,"abstract":"We present the characterization of the new Frontend Electronics (FEE) developed for the Schwarzschild-Couder Telescope (SCT) camera of the CTA experiment. The new FEE is based on a new Application-Specific Integrated Circuit (ASIC) intended to read-out arrays of Silicon Photomultipliers (SiPMs) for low-level light detection down to the single photoelectron, called SMART (SiPM Multichannel ASIC for high Resolution Cherenkov Telescopes). The analog channel is composed of a high speed path with programmable gain and pole-zero filter designed for photon-counting. An external fast digitizer can be used for the photon-counting analysis. A slow path allows the measurement of the mean SiPM current, sampled by an internal 10-bit ADC. We present the characterization results obtained when coupling the SMART to a 16 SiPM matrix produced by Fondazione Bruno Kessler (FBK). Results in terms of charge spectrum, signal-to-noise ratio and dynamic range will be presented. The SMART ASIC was then coupled to the SCT readout electronics based on the TARGET ASICs, able to digitize waveforms at a frequency of 1GS/s and to generate trigger signals. In this work, we further present the preliminary characterization obtained on the full FEE chain.","PeriodicalId":261827,"journal":{"name":"2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)","volume":"150 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124611104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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