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Trilateral South American Project: A Reference System for Measuring Electric Power Up to 100 kHz - Progress Report

G. A. Kyriazis, L. Di Lillo, D. Slomovitz, R. Iuzzolino, E. Yasuda, L. Trigo, R. M. Souza, H. Laiz, R.M. Debatin, E. Afonso
2018 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018)  
The objective is the construction of three similar measuring systems, one for each institute. The measuring system is described and its design requirements are presented.  ...  Three countries in South America are jointly developing a reference system for measuring electric power up to 100 kHz.  ...  Dual-channel digitizer A high-resolution, digital sampling system based on a Sigma-Delta analog-to-digital converter (Σ−∆ ADC) has been developed and characterized [11] .  ... 
doi:10.1109/cpem.2018.8500878 fatcat:7k7cksn4trcfhisj6eyx5dbi5y

An Optoelectronic Pulse Drive for Quantum Voltage Synthesizer

Jane Ireland, Jonathan Williams, Oliver Kieler, Ralf Behr, Ernest Houtzager, Ralph Hornecker, Helko E. van den Brom
2019 IEEE Transactions on Instrumentation and Measurement  
The use of delta-sigma code with repeated sections, suitable for a quantum voltage digitizer was also examined.  ...  An optoelectronic pulse drive system based on commercially available telecoms optoelectronic components and a field-programmable gate array has been developed.  ...  ACKNOWLEDGMENT The authors would like to thank the suggestion of pulse processing using two Mach-Zehnder modulators by D. Humphreys of the National Physical Laboratory, Teddington, U.K.  ... 
doi:10.1109/tim.2018.2877562 fatcat:xqw5leuq3rcazkqktmkuqtbfqm

Experimental Study of Digitizers Used in High-Precision Impedance Measurements

Krzysztof Musioł
2022 Energies  
Nonlinearity errors of digitizers on boards NI PXI-4461 and NI PXI-4462 were measured and appropriate conclusions regarding possible corrections of the errors were drawn.  ...  Unfortunately, the commercial PXI sampling systems used to measure the voltage ratio in the impedance bridge, although they provide adequate resolution, show a considerable non-linearity of the measurement  ...  Name No. of Input Channels Sampling Rate kSa/s ADC Resolution and Type Full Scale V PXI-4461 2 204.8 24-bit, delta-sigma 0.316; 1; 3.16; 10, 31.6; 42.4 PXI-4462 4 204.8 24-bit, delta-sigma 0.316; 1; 3.16  ... 
doi:10.3390/en15114051 fatcat:chf33wafxzf2bi2buiufegaxzq

Review of Josephson Waveform Synthesis and Possibility of New Operation Method by Multibit Delta–Sigma Modulation and Thermometer Code for Its Further Advancement

Nobu-hisa Kaneko, Michitaka Maruyama, Chiharu Urano, Shogo Kiryu
2011 Japanese Journal of Applied Physics  
A method of AC waveform synthesis with quantum-mechanical accuracy has been developed on the basis of the Josephson effect in national metrology institutes, not only for its scientific interest but its  ...  We also discuss a new operation technique with multibit delta-sigma modulation and a thermometer code, which possibly enables the generation of glitch-free waveforms with high voltage levels.  ...  Possibility of New Operation Method with Multibit Delta-Sigma Modulation and Thermometer Code As briefly described in x2.1, DA converters using a programmable JJA have been investigated for more than fifteen  ... 
doi:10.1143/jjap.51.010116 fatcat:xd3n6zj3bvcclmlg2ikwcozqz4

Synthesizing accurate voltages with superconducting quantum-based standards

Sam Benz
2010 IEEE Instrumentation & Measurement Magazine  
arbitrary-waveform sources for the characterization of stability and nonlinearities in analog and digital electronics.  ...  This article reviews the capabilities and measurement techniques of three unique quantum-based systems and summarizes their use as accurate dc and ac references for voltage and power metrology and as low-distortion  ...  Acknowledgement The device and measurement technology advances described in this article are a result of the collaborative nature of many researchers from many national metrology institutes within the  ... 
doi:10.1109/mim.2010.5475160 fatcat:56f73qd2dfamtl5mockzoyquza

An AC Josephson Voltage Standard for AC–DC Transfer-Standard Measurements

M. Merimaa, K. Nyholm, M. Vainio, A. Lassila
2007 IEEE Transactions on Instrumentation and Measurement  
Using this system, we synthesized dc voltages and audio-frequency sine waves in order to measure ac-dc differences on the 22 mV and 220 mV ranges of a commercial thermal transfer standard.  ...  In order to improve the National Institute of Standards and Technology (NIST) low-voltage calibration service for thermal-voltage converters, we have constructed an ac-Josephsonvoltage-standard (ACJVS)  ...  They would also like to thank A. Sweat and K. Wagle of National Instruments for suggestions in optimizing the digitizer, and N. Faulkner and D.  ... 
doi:10.1109/tim.2007.891153 fatcat:7xwdsm5xtvbfhaohlyysnp6mmm

INL Reconstruction of A/D Converters via Parametric Spectral Estimation

F. Attivissimo, N. Giaquinto, I. Kale
2004 IEEE Transactions on Instrumentation and Measurement  
The work presented in this paper builds on previous research done by the authors in detailing a novel procedure for obtaining a very fast measurement of the integral nonlinearity of an analog-to-digital  ...  The method allows one to test an ADC with sinusoids of any reasonable amplitude (even a slight overdrive is allowed), frequency (no synchronization is needed), and phase (which is digitally compensated  ...  His research and teaching activities include digital and analog signal processing, silicon circuit and system design, digital filter design and implementation, and A/D and D/A sigma-delta converters.  ... 
doi:10.1109/tim.2004.831508 fatcat:4txapp2njbattjhjqoibzfn73m

A Survey on Analog-to-Digital Converter Performance with Respect to Ionizing Radiation

Steffen Mueller, Robert Weigel, Alexander Koelpin
2017 2017 17th European Conference on Radiation and Its Effects on Components and Systems (RADECS)  
This paper discusses radiation performance evolution of analog-to-digital converters, based on a comprehensive empirical analysis of both, experimental reports and datasheet specifications including commercial  ...  devices, radiation hardened parts, and scientific converters.  ...  This is especially severe for system designers as ADC is a key component of digital signal processing (DSP) systems that significantly determines system's architecture and overall performance.  ... 
doi:10.1109/radecs.2017.8696150 fatcat:klqj2mxawbbrjgrj42icfvw7ni

Integrated Smart Sensor Calibration [chapter]

Gert Van Der Horn, Johan H. Huijsing
1997 Smart Sensor Interfaces  
Sigma-delta converter The sigma-delta principle is based on oversampling, and on feedback and filtering (noise-shaping) of the quantization error.  ...  A digital sigma-delta (noise shaper) may be used to generate programmable pulsestreams or bitstreams which modulate the analog signal, and a sigma-delta AD-converter is used to convert the modulated analog  ...  A smart sensor configuration, composed of silicon sensor(s), analog front-end circuit, one-bit sigma-delta AD-converter, and a serial bus interface, forms a suitable concept for complete integration.  ... 
doi:10.1007/978-1-4615-6061-6_5 fatcat:3idid4st3rbsxba7hpciul4cdq

Calibration of a Digital Current Transformer Measuring Bridge: Metrological Challenges and Uncertainty Contributions

Guglielmo Frigo, Marco Agustoni
2021 Metrology  
From a metrological point of view, technical specifications and statistical analysis are employed to draw up a rigorous uncertainty budget of the calibration setup.  ...  To this end, we propose a measurement setup that allows for monitoring and quantifying the main quantities of interest.  ...  The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.  ... 
doi:10.3390/metrology1020007 fatcat:7d7rqqxqefcunk33hbvc2d67be

Application of the Josephson effect in electrical metrology

B. Jeanneret, S. P. Benz
2009 The European Physical Journal Special Topics  
Two different systems have dramatically improved precision measurements for audio-frequency voltages and for electric power metrology. a  ...  Specifically, the technology and performance of voltage standards that have quantum accuracy is explained in detail, as is their impact on a wide range of electrical metrology applications, primarily those  ...  It is a real pleasure to thank C. Burroughs  ... 
doi:10.1140/epjst/e2009-01050-6 fatcat:4zujtawrdjchlbzryqcwoi3kj4

Information Conversion in Measuring Channels with Optoelectronic Sensors

Vasyl V. Kukharchuk, Sergii V. Pavlov, Volodymyr S. Holodiuk, Valery E. Kryvonosov, Krzysztof Skorupski, Assel Mussabekova, Gaini Karnakova
2021 Sensors  
The authors include such phases: hardware implementation and analytical representation of an optical sensor's converting functions and a current-to-voltage converter; based on the methods of experimental  ...  computer science, the converting functions and sensitivity are deduced, analytical dependences for estimation of a range of measurement are obtained.  ...  The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.  ... 
doi:10.3390/s22010271 pmid:35009813 pmcid:PMC8749807 fatcat:6afztrtcvbg7jiq2h47jvitury

Design and implementation of a platform for experimental testing and validation of analog-to-digital converters: static and dynamic parameters

Imen Ben Mansour, Raja Maghrebi, Nejmeddine Sifi, Oualid Touayar
2017 International Journal of Metrology and Quality Engineering  
This paper presents an implementation of a data acquisition system for analog-to-digital converters (ADCs) using "Laboratory Virtual Instrument Engineering Workbench (LabVIEW)" as software for data analysis  ...  This system was developed for evaluation purposes of ADC's static and dynamic parameters (gain error, offset error, DNL, INL, SNR, SINAD, IMD, etc.) using single and multifrequency signals.  ...  counter/timers for TIO; -NI BNC-2110 is a connector block which simplifies the connection of analog signals, digital signals and timing I/O; a designed configuration and control application based on LabVIEW  ... 
doi:10.1051/ijmqe/2017012 fatcat:eaa2dkb6n5h6hmwqohubrbm2qu

Fabrication and characterization of a quantum voltage noise source chip for a Johnson noise thermometer

Yuan Zhong, Kunli Zhou, Jinjin Li, Jifeng Qu, Wenhui Cao, Xueshen Wang, Zegang Ni, Qina Han, Mingyu Zhang, Qing Zhong
2021 IEEE Access  
The abovementioned improvements enable us to synthesize both single and multitone waveforms with good spectral results, such that the chip satisfies the requirement of a QVNS-based JNT system for temperature  ...  In this paper, we present the design, fabrication, and characterization of the QVNS chip. Compared with our previous design, a new straightforward mirror symmetric layout is implemented.  ...  rd order delta-sigma modulation technique with a sampling frequency of f s = 4.999936 GHz.  ... 
doi:10.1109/access.2021.3103884 fatcat:4six3xytzred7brp7mv3fs2vpy

Application of the Josephson effect to voltage metrology

S.P. Benz, C.A. Hamilton
2004 Proceedings of the IEEE  
The unique ability of a Josephson junction to control the flow of magnetic flux quanta leads to a perfect relationship between frequency and voltage.  ...  More recent research is focused on combining the ideas of digital signal processing with quantum voltage pulses to achieve similar gains in ac voltage metrology.  ...  Yamamori (the present members of the quantum voltage project) for making possible many of these past and current results. The authors would also like to thank R.  ... 
doi:10.1109/jproc.2004.833671 fatcat:bggj4wyy5vgengozi6cbec2jvq
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