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Precision Measurements Using a 300 mV Josephson Arbitrary Waveform Synthesizer

S.P. Benz, P.D. Dresselhaus, C.J. Burroughs, N.F. Bergren
2007 IEEE transactions on applied superconductivity  
Index Terms-AC measurements, AC voltage standard, digital-to-analog converter, Josephson arrays, Josephson devices.  ...  We have developed a Josephson digital-to-analog converter, otherwise know as a Josephson arbitrary waveform synthesizer, with 300 mV peak output voltage.  ...  ACKNOWLEDGMENT The authors are grateful to Clark Hamilton for helpful comments and for building custom electronics. The authors thank  ... 
doi:10.1109/tasc.2007.898138 fatcat:3npqef6agbemdc6p5lbsktwehy

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.  ...  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  ...  I would like to thank all of the international collaborators, guest researchers and NIST colleagues who have contributed over the years to research in the NIST Quantum Voltage Project, in particular, Jürgen  ... 
doi:10.1109/mim.2010.5475160 fatcat:56f73qd2dfamtl5mockzoyquza

Progress toward a 1 V pulse-driven ac Josephson voltage standard

S.P. Benz, P.D. Dresselhaus, N.F. Bergren, R.P. Landim
2008 2008 Conference on Precision Electromagnetic Measurements Digest  
We present a new record root mean square (rms) output voltage of 275 mV, which is a 25% improvement over the maximum that is achieved with previous ac Josephson voltage standard (ACJVS) circuits.  ...  stability of a commercial calibration source for a few voltages up to 2.7 V.  ...  A summary version of this paper is included in the 2008 Conference on Precision Electromagnetic Measurements Conference Digest [11] .  ... 
doi:10.1109/cpem.2008.4574646 fatcat:dbczlkkxojc6rg4p7fryyscxdi

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  
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.  ...  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  ...  For the thermometer codes, however, a large number of sources are required to obtain high resolutions. 2 N À 1 sources are necessary for N-bit binary resolution.  ... 
doi:10.1143/jjap.51.010116 fatcat:xd3n6zj3bvcclmlg2ikwcozqz4

Application of the Josephson effect in electrical metrology

B. Jeanneret, S. P. Benz
2009 The European Physical Journal Special Topics  
The latter sections of this paper describe recent efforts to apply the Josephson effect to ac voltage and other electrical metrology applications.  ...  A detailed explanation of the operation of the conventional Josephson voltage standard and its use for dc applications will be presented, including a description of the most important results.  ...  It is a real pleasure to thank C. Burroughs  ... 
doi:10.1140/epjst/e2009-01050-6 fatcat:4zujtawrdjchlbzryqcwoi3kj4

Development of a 60 Hz Power Standard Using SNS Programmable Josephson Voltage Standards

C.J. Burroughs, S.P. Benz, P.D. Dresselhaus, B.C. Waltrip, T.L. Nelson, Yonuk Chong, J.M. Williams, D. Henderson, P. Patel, L. Palafox, R. Behr
2007 IEEE Transactions on Instrumentation and Measurement  
We present measurements and calculations that elucidate the sources of error in the rms voltage that are intrinsic to the digital-synthesis technique and that are due to the finite rise times and transients  ...  Our goal is to reduce all error sources and uncertainty contributions from the PJVS synthesized waveforms to a few parts in 10 7 so that the overall uncertainty in the ac-power standard is a few parts  ...  between Josephson sources and thermal voltage converters [6] , [7] .  ... 
doi:10.1109/tim.2007.891156 fatcat:dkorw2ym35h2dlpc6jz2pu5foq

Pulse-Bias Electronics and Techniques for a Josephson Arbitrary Waveform Synthesizer

Samuel P. Benz, Steven B. Waltman
2014 IEEE transactions on applied superconductivity  
Ten years later, a commercial ac standard was calibrated at an output root-mean-square (RMS) amplitude of 100 mV with the first practical superconducting digital-to-analog converter.  ...  The Josephson arbitrary waveform synthesizer (JAWS) is a series array of thousands of superconducting Josephson junctions that are biased by current pulses such that the array produces voltage waveforms  ...  ACKNOWLEDGMENT The authors would like to thank P. D. Dresselhaus for many years of collaboration and assistance in developing the pulsedrive instrumentation.  ... 
doi:10.1109/tasc.2014.2338326 fatcat:aggu2w6tjrcpdcdvxyqnbspcwu

Precision Measurements of AC Josephson Voltage Standard Operating Margins

C.J. Burroughs, S.P. Benz, P.D. Dresselhaus, Y. Chong
2005 IEEE Transactions on Instrumentation and Measurement  
Recent advances in circuit design and fabrication of superconducting integrated circuits have enabled us to demonstrate an ac Josephson voltage standard (ACJVS) that generates both ac and dc waveforms  ...  up to 242-mV peak voltage.  ...  The present system uses a chip with two Josephson arrays (8200 junctions total) and digital-to-analog conversion using delta-sigma modulation [1] , where a digital data stream at 10 Gbit/s is combined  ... 
doi:10.1109/tim.2004.843070 fatcat:6vywjnediffilh4oakfoacmtwi

1 volt DC programmable Josephson voltage standard

C.J. Burroughs, S.P. Benz, T.E. Harvey, C.A. Hamilton
1999 IEEE transactions on applied superconductivity  
NIST has developed a programmable Josephson voltage standard (JVS) that produces intrinsically stable voltages that are programmable from -1.1 V to +1.1 V.  ...  The Josephson chip consists of a binary array sequence of 32 768 SNS Josephson junctions.  ...  Contribution of the US Government, not subject to copyright. (including sign) digital-to-analog converter (DAC) [4] .  ... 
doi:10.1109/77.783938 fatcat:foopxrqjm5aztp5rj5vr67ynti

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

A 10 Volt "Turnkey" Programmable Josephson Voltage Standard for DC and Stepwise-Approximated Waveforms

C. J. Burroughs, A. Rüfenacht, P. D. Dresselhaus, S. P. Benz, M. M. Elsbury
2009 NCSLI Measure  
The waveform purity and voltage accuracy of the pulse-driven ACJVS are beyond compare, and have been implemented in ac-dc and analog-to-digital converter measurements.  ...  Initially, they were used for fast-reversed dc comparisons between Josephson sources and thermal voltage converters [8, 9] , and later as sinewaves for highly accurate ac-dc difference measurements at  ... 
doi:10.1080/19315775.2009.11721485 fatcat:h6yjaftztvhonnvx6yrjkdpg2u

Superconductor analog-to-digital converters

O.A. Mukhanov, D. Gupta, A.M. Kadin, V.K. Semenov
2004 Proceedings of the IEEE  
Two major classes of superconductor analog-to-digital converters (ADCs) are being developed-Nyquist sampling and oversampling converters.  ...  Keywords-Analog-to-digital converter (ADC), decimation filter, digital receiver, digitizer, flux quantum, rapid single-flux quantum (RSFQ), sigma delta modulator, signal-to-noise ratio (SNR), single-flux  ...  ] were based on the voltage-to-frequency (V/F) conversion utilizing the ac Josephson effect.  ... 
doi:10.1109/jproc.2004.833660 fatcat:qwqz4se6ejbktgtnn3gu2oxcay

Application of the Josephson effect to voltage metrology

S.P. Benz, C.A. Hamilton
2004 Proceedings of the IEEE  
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.  ...  The unique ability of a Josephson junction to control the flow of magnetic flux quanta leads to a perfect relationship between frequency and voltage.  ...  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

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  
We describe a new approach to Johnson noise thermometry (JNT) that exploits recent advances in Josephson voltage standards and digital signal processing techniques.  ...  With our prototype JNT system, we have found agreement to two parts in 10 3 with a 1 uncertainty of 1 10 3 between the voltage noise of a 100-resistor in a triple-point Ga cell ( 90 = 302.916 K) and a  ...  Strouse of the NIST Process Measurements Division for characterization of the Ga TP cell, and N.  ... 
doi:10.1109/tim.2003.811686 fatcat:bgimhs6lz5gwtenb2eypltp3vu

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
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