B. Jeanneret, F. Overney, Christophe Scherly, Gerald Schaller
{"title":"Josephson-based characterization of analog-to-digital converters using an equivalent time sampling method","authors":"B. Jeanneret, F. Overney, Christophe Scherly, Gerald Schaller","doi":"10.1109/CPEM.2016.7540767","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540767","url":null,"abstract":"This paper describes the characterization of high resolution analog-to-digital converters using a programmable Josephson voltage standard at frequencies well above the kilohertz. The basic idea is to use an equivalent time sampling algorithm to overcome the limited sampling frequencies of the analog-to-digital converter under test.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124562913","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}
{"title":"Self-calibration of the current comparator with common ground","authors":"Wenfang Liu, Xianlin Pan, Zhenyu Jin, Yonghong Zhu, Ying Song, Jiangtao Zhang","doi":"10.1109/CPEM.2016.7540736","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540736","url":null,"abstract":"A method to measure the phase angle errors and amplitude errors of the current comparators with ratio of 2:1, 5:1 and 10:1 has been described. The method is based on the use of the differential current transformer to determine the current relationship of the current comparator. The measurements have been done at frequencies from 10 kHz to 100 kHz, and the results are presented.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114543043","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}
{"title":"Precision measurements of quantum hall resistance plateau in doping-controlled graphene device","authors":"D. Chae, Wan-Seop Kim, A. Satrapinski, S. Novikov","doi":"10.1109/CPEM.2016.7540495","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540495","url":null,"abstract":"We report preliminary results of precision measurements of the graphene quantum Hall resistance plateau value with respect to magnetic field, temperature and applied current. Resistance value of SiC graphene Hall device was modulated by chemical doping, heating, and UV irradiation at the ambient condition. Precision measurements for Rh (filing factor v = 2) were then performed with a cryogenic current comparator resistance bridge. Relative deviation from RH (v = 2) less than 30 parts in 109 can be achieved down to 7 T of magnetic field and up to 6 K of temperature with driving current of 19. 37 μA.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117347012","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}
R. Kishikawa, M. Horibe, A. Miyachi, M. Matsunoshita, S. Kawasaki
{"title":"Uncertainty estimation for gallium nitride diode model based on VNA measurement at 5.8 GHz","authors":"R. Kishikawa, M. Horibe, A. Miyachi, M. Matsunoshita, S. Kawasaki","doi":"10.1109/CPEM.2016.7540753","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540753","url":null,"abstract":"This paper summarizes the uncertainty estimation for gallium nitride shottky diode based on vector network analyzer measurements at 5.8 GHz. The results were traceable to the metrology standard of S-parameter at NMIJ. Considering the uncertainty of the measurements, bias voltage must be applied over 2 V in measuring bias voltage dependence of reflection coefficient. The measurement uncertainty was propagated from reflection coefficient to impedance. As a result, the expanded uncertainty of real and imaginary part of impedance were 0.56 Ω and 0.57 Ω at 5.8 GHz, respectively.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116332677","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}
Xiaojuan Peng, Wang Lei, Zhengsen Jia, Xuewei Wang, Hongtao Huang, Lijuan Liu
{"title":"Evaluation of digital energy meter error by Monte Carlo method","authors":"Xiaojuan Peng, Wang Lei, Zhengsen Jia, Xuewei Wang, Hongtao Huang, Lijuan Liu","doi":"10.1109/CPEM.2016.7540560","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540560","url":null,"abstract":"In order to precisely evaluate the measurement errors of a digital energy meter, the influence of factors such as ADC and communication protocol were analyzed in this paper. A Monte Carlo method was used due to the complexity of the influences model. The error contribution of each factor and their combined error have been obtained by the Monte Carlo calculation.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"54 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116353069","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}
{"title":"Improvement of leakage resistance of PJVS for NIST-4 watt balance experiment","authors":"Y. Tang, F. Seifert, S. Schlamminger","doi":"10.1109/CPEM.2016.7540748","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540748","url":null,"abstract":"A Programmable Josephson Voltage Standard (PJVS) system is used for the voltage measurements in the NIST-4 watt balance experiment. In order to achieve the uncertainty of voltage measurements better than 1 part in 109, it is critical to increase the leakage resistance of the PJVS to ground. This paper describes how to modify the watt balance PJVS system to isolate the bias electronics and quantify its resistance to ground. Direct comparison between the watt balance PJVS (WPJVS) and NIST Volt Lab PJVS (VPJVS) was carried out to verify the performance of WPJVS with improved isolation resistance.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128521511","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}
{"title":"A preliminary magnet nonlinear research on the joule balance","authors":"Li Chen, Li Zhengkun, Xu Jinxin","doi":"10.1109/CPEM.2016.7540685","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540685","url":null,"abstract":"The joule balance experiment has been carried out at the National Institute of Metrology, China (NIM) since 2007. To reduce the measurement uncertainty further, the major parts of the second generation of the joule balance apparatus system is built already. A new magnet system using electromagnet is being adopted to reduce self-heating in the coils. However the results on the measurement show that the nonlinearity and hysteresis of the ferromagnetic material will bring a considerable measurement uncertainty. In this paper, the nonlinear effect is reduced by one order of magnitude by an experimental method. The nonlinearity and hysteresis effect is about 10-6 in the relative standard uncertainty.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128170695","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}
{"title":"Quantum-based voltage metrology with superconducting Josephson devices at NIST","authors":"S. Benz","doi":"10.1109/CPEM.2016.7539731","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7539731","url":null,"abstract":"Summary form only given. Over the past three decades, the quantum behavior of Josephson junctions has been exploited to improve the accuracy of dc voltage measurements by five orders of magnitude. State-of-the-art precision voltage-standard systems based on arrays of superconductive Josephson junctions can now provide quantum-accurate, intrinsically stable, programmable voltages at amplitudes greater than 10 V for dc voltages and up to 2 V rms for synthesized ac voltages such as sine waves and arbitrary waveforms. Various measurement techniques have been developed for ac measurement applications in the audio-frequency regime and for 60 Hz power metrology. I describe the key developments in Josephson circuits and in measurement techniques, and summarize their current performance and limitations for voltage metrology applications. In particular, I emphasize how the use of quantum-based systems, even when they produce apparently low-uncertainty and reproducible results, does not guarantee that the measurements are accurate. Finally, I briefly summarize how quantum-accurate, arbitrary waveform synthesis is being used to measure Boltzmann's constant by measuring the Johnson noise of a resistor at the triple-point of water, and how a practical electronic primary temperature standard might be realized with a quantum-based Johnson noise thermometer.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"02 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129128362","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}
{"title":"Determination and use of temperature coefficients of inductance standards","authors":"J. Moreno","doi":"10.1109/CPEM.2016.7540512","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540512","url":null,"abstract":"In order to support the SIM-EM.K3 10 mH inductance standards comparison, CENAM carried out the characterization of commercially available standards, which mainly consists in determining the dependence of the inductance and resistance with temperature. These determinations were useful not only for temperature corrections, but also to estimate the temperature of inductors through its DC resistance value. The results of these determinations and the use thereof in the mentioned international comparison are shown herein.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130543882","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}
{"title":"Accurate phase calibration of PMUs and PMU calibrators","authors":"M. Acanski, G. Rietveld, D. Hoogenboom","doi":"10.1109/CPEM.2016.7540461","DOIUrl":"https://doi.org/10.1109/CPEM.2016.7540461","url":null,"abstract":"A measurement setup is developed for accurate phase calibration of phasor measurement units (PMUs) and PMU calibrators. The measurement method is based on generating a reference signal with known phase with respect to a 1 pulse-per-second time reference using a stepped sine wave signal.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"436 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132452967","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}