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Precision Differential Sampling Measurements of Low-Frequency Synthesized Sine Waves With an AC Programmable Josephson Voltage Standard

A. Rufenacht, C.J. Burroughs, S.P. Benz, P.D. Dresselhaus, B.C. Waltrip, T.L. Nelson
2009 IEEE Transactions on Instrumentation and Measurement  
We have developed a precision technique to measure sine-wave sources with the use of a quantum-accurate ac programmable Josephson voltage standard.  ...  This paper describes a differential method that uses an integrating sampling voltmeter to precisely determine the amplitude and phase of high-purity and low-frequency (a few hundred hertz or less) sine-wave  ...  White for the helpful approaches for the data analysis of differential measurements, and B. Djokic of NRC-Canada for helpful conversations concerning the differential sampling method.  ... 
doi:10.1109/tim.2008.2008087 fatcat:7qdnalwfzjezji3ginxjbx2u5y

Synthesizing accurate voltages with superconducting quantum-based standards

Sam Benz
2010 IEEE Instrumentation & Measurement Magazine  
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  ...  S. government, not subject to copyright O ver the past three decades, the quantum behavior of superconducting Josephson junctions has been exploited to dramatically improve the accuracy of dc voltage measurements  ...  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

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  ...  for dc and ac voltage measurements.  ...  (b) Spectral measurement of a 512 sample 60 Hz sine wave generated by a Josephson array with 2.1 V amplitude zero-to-peak (1.5 V rms).  ... 
doi:10.1140/epjst/e2009-01050-6 fatcat:4zujtawrdjchlbzryqcwoi3kj4

Josephson voltage standards

Johannes Kohlmann, Ralf Behr, Torsten Funck
2003 Measurement science and technology  
The authors would like to thank the Josephson voltage standard team at PTB.  ...  The work within this EURAMET joint research project leading to these results was supported in part by the European Community's Seventh Framework Programme, ERA-NET Plus, under Grant Agreement 217257 (JoSy  ...  Later stepwise approximated waveforms and sampling were used to demonstrate an ac quantum voltmeter measuring ac voltage differentially .  ... 
doi:10.1088/0957-0233/14/8/305 fatcat:vs7qbuo4ojffdgkl5z4p3gyr3q

Development of Josephson voltage standards [chapter]

Johannes Kohlmann, Ralf Behr
2011 Superconductivity - Theory and Applications  
The authors would like to thank the Josephson voltage standard team at PTB.  ...  The work within this EURAMET joint research project leading to these results was supported in part by the European Community's Seventh Framework Programme, ERA-NET Plus, under Grant Agreement 217257 (JoSy  ...  Later stepwise approximated waveforms and sampling were used to demonstrate an ac quantum voltmeter measuring ac voltage differentially .  ... 
doi:10.5772/17031 fatcat:kuubturbdfbnlkgcyw3gsa4fzm

Tests on waveform synthesis in a new cryocooler setup

A. Sosso, B. Trinchera, P. Durandetto, E. Monticone, O. Kieler, R. Behr, J. Kohlmann
2016 2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)  
This work was partly carried out with funding by the European Union within the EMRP project JRP SIB59 Q-WAVE.  ...  ACKNOWLEDGEMENT The authors gratefully acknowledge the contribution of D. Serazio for designing and manufacturing mechanical parts of the cryogenic apparatus and R. Cerri for the electronics.  ...  We developed a cryocooler-based Josephson system that can be operated both with programmable and pulse-driven standards.  ... 
doi:10.1109/cpem.2016.7540563 fatcat:txchdzmazjefjieo2tymbehcaa

Characterization of an analog-to-digital converter frequency response by a Josephson arbitrary waveform synthesizer

Javier Díaz de Aguilar, J R Salinas, Oliver Kieler, Raúl Caballero, Ralf Behr, Yolanda A Sanmamed, Ángel Méndez
2019 Measurement science and technology  
Most of the instrumentation is based on sensors that convert any quantity into an electrical signal related Measurement Science and Technology  ...  The present situation is not keeping pace with industrial and research needs.  ...  Acknowledgment This work is carried out with funding by the European Union within the EMPIR JRP SIB59 Q-WAVE, EMRP JRP 14RPT01 ACQ-PRO and EMRP JRP 15RPT TRACE-PQM.  ... 
doi:10.1088/1361-6501/aafb27 fatcat:mmryl3r5c5fx5ox3ekeqvt7sum

Josephson voltage standards

Clark A. Hamilton
2000 Review of Scientific Instruments  
This paper reviews the development and use of Josephson voltage standards over the last 30 years, including classical dc standards, programmable standards based on binary weighted arrays, pulse-driven  ...  delta-sigma standards for ac wave-form synthesis, and single-flux-quantum voltage multipliers. ͓  ...  of the manuscript and the many helpful comments of Richard Kautz, Yi-hua Tang, Ronald Goldfarb, David Smith, and Barry Taylor.  ... 
doi:10.1063/1.1289507 fatcat:xakss77owfa5lhwz6wephchjcu

Johnson noise thermometry measurements using a quantized voltage noise source for calibration

Sae Woo Nam, S.P. Benz, P.D. Dresselhaus, W.L. Tew, D.R. White, J.M. Martinis
2003 IEEE Transactions on Instrumentation and Measurement  
Currently, high-precision thermometry using Johnson noise is limited by the nonideal performance of electronic measurement systems.  ...  We describe a new approach to Johnson noise thermometry (JNT) that exploits recent advances in Josephson voltage standards and digital signal processing techniques.  ...  Walls of Total Frequency, Boulder, CO, and formerly of NIST Time and Frequency Division, for helpful discussions, G.  ... 
doi:10.1109/tim.2003.811686 fatcat:bgimhs6lz5gwtenb2eypltp3vu

An ac josephson source for johnson noise thermometry

S.P. Benz, J.M. Martinis, P.D. Dresselhaus, Sae Woo Nam
2003 IEEE Transactions on Instrumentation and Measurement  
We have adapted the Josephson arbitrary waveform synthesizer to create a quantized voltage noise source suitable for calibrating the cross-correlation electronics of a Johnson noise thermometer system.  ...  The requirements of long term stability and low voltage amplitude allow dramatic simplification of the bias electronics compared to previous bias techniques.  ...  This is much simpler than more recent bias schemes of the Josephson synthesizer, where large output voltages are achieved with bipolar pulses by adding a sine wave to the input drive [5] , [6] .  ... 
doi:10.1109/tim.2003.811687 fatcat:iiwjspc3xnhfdnftqfl2xzmksu

The ampere and the electrical units in the quantum era

Wilfrid Poirier, Sophie Djordjevic, Félicien Schopfer, Olivier Thévenot
2019 Comptes rendus. Physique  
The Josephson effect (JE) and the quantum Hall effect (QHE), used to maintain voltage and resistance standards with unprecedented reproducibility since 1990, will henceforth provide realizations of the  ...  Here, we review the state-of-the-art of these standards and discuss further applications and perspectives.  ...  programme.  ... 
doi:10.1016/j.crhy.2019.02.003 fatcat:h3ngf2ux2fal5acdctodmjgmee

Superconductor analog-to-digital converters

O.A. Mukhanov, D. Gupta, A.M. Kadin, V.K. Semenov
2004 Proceedings of the IEEE  
Complete systems with digital sampling at rates of 20 GHz and above have been demonstrated using low-temperature superconductor device technology.  ...  Ultrafast switching speed, low power, natural quantization of magnetic flux, quantum accuracy, and low noise of cryogenic superconductor circuits enable fast and accurate data conversion between the analog  ...  ] were based on the voltage-to-frequency (V/F) conversion utilizing the ac Josephson effect.  ... 
doi:10.1109/jproc.2004.833660 fatcat:qwqz4se6ejbktgtnn3gu2oxcay

2008 Index IEEE Transactions on Instrumentation and Measurement Vol. 57

2008 IEEE Transactions on Instrumentation and Measurement  
., +, TIM June 2008 1244-1250 Measurement standards Error and Transient Analysis of Stepwise-Approximated Sine Waves Gen- erated by Programmable Josephson Voltage Standards. Burroughs, C.  ...  ., +, TIM July 2008 1290-1297 Error and Transient Analysis of Stepwise-Approximated Sine Waves Generated by Programmable Josephson Voltage Standards. Burroughs, C.  ...  Grid computing On the Suitability of GRID Service Technology for Distributed Measurements Based on Complex Digital Signal Processing Algorithms.  ... 
doi:10.1109/tim.2008.930821 fatcat:xrqw4gtwa5aydc3uzmlgw3alwi

Guide to Low Impedance Measurements using Digital Sampling Setup [article]

Stanislav Mašláň
2022 Zenodo  
In particular, it focuses on the measurement of impedances below 1 Ohm, and in the frequency range from 0.01 Hz to 5 kHz.  ...  It presents possibilities of arranging simple digital sampling impedance bridge setups suitable for calibration in the range of impedances and frequencies typically required for Electrolytic Impedance  ...  The project received funding from the EMPIR programme co-financed by the Participating States and from the European Union's Horizon 2020 research and innovation programme.  ... 
doi:10.5281/zenodo.5960847 fatcat:n33xjp7nzbg2hplzp3psxza75m

2019 Index IEEE Transactions on Instrumentation and Measurement Vol. 68

2019 IEEE Transactions on Instrumentation and Measurement  
., +, TIM May 2019 1441-1450 AC Voltage Measurements to 120 V With a Josephson Arbitrary Waveform Synthesizer and an Inductive Voltage Divider.  ...  ., +, TIM June 2019 2106-2112 AC Voltage Measurements to 120 V With a Josephson Arbitrary Waveform Synthesizer and an Inductive Voltage Divider.  ...  Image scanners Nonlinear Reconstruction of Multilayer Media in Scanning Microwave Microscopy. Wei, Z., +, TIM Jan. 2019 197-205  ... 
doi:10.1109/tim.2019.2956662 fatcat:kotlu7gwcngrdkelerc5va2hqe
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