{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["006:55"], "contactPoint": {"fn": "Nathan Flowers-Jacobs", "hasEmail": "mailto:nathan.flowers-jacobs@nist.gov"}, "description": "Delta-sigma algorithms are used to determine the desired sequence of quantum-based voltage pulses used by the Josephson Arbitrary Waveform Synthesizer (JAWS) to create calculable voltage waveforms. This data set contains a comparison (Fig 1. of the CPEM 2024 abstract) of a 1 kHz pulse pattern with rms amplitude of 2 mV without post-processing and with post-processing which modifies the problematic pulse pattern to remove incorrect pulses at the 0.75 ms pattern wrap point. In the time-domain, the pulse patterns are low-pass filtered at 30 MHz and the residuals relative to the 1 kHz ac signal are also shown. This data set also contains spectra which show the pulse patterns' voltage relative to the fundamental in the frequency domain.", "distribution": [{"description": "Data used in the top and middle plots of Figure 1 of [1]. Versus time (column 1, seconds), we plot a 1 kHz pulse pattern with rms amplitude of 2 mV that is low-pass filtered at 30 MHz and generated without post-processing (red curve, column 2, V) with residuals relative to the 1 kHz ac signal (top black curve, column 3, V), and after post-processing which modifies the problematic pulse pattern to remove incorrect pulses at the 0.75~ms pattern wrap point (green curve, column 4, V) with residuals (middle black curve, column 5, V).", "downloadURL": "https://data.nist.gov/od/ds/mds2-3167/PostProcComparison_ver3_topmiddle.txt", "format": "the first line of the file is a descriptive header, the second line contains \",\" separated column labels with units, and remaining lines contain \",\" deliminated data columns.", "mediaType": "text/plain", "title": "PostProcComparison_ver3_topmiddle"}, {"description": "Data used in the bottom plot of Figure 1 of [1]. Versus frequency (column 1, Hz), we plot the FFT of the same pulse patterns as a voltage relative to the fundamental for the pattern generated without post-processing (red curve, column 2, dBc) and with post-processing (green curve, column 3, dBc).", "downloadURL": "https://data.nist.gov/od/ds/mds2-3167/PostProcComparison_ver3_bottom.txt", "format": "the first line of the file is a descriptive header, the second line contains \",\" separated column labels with units, and remaining lines contain \",\" deliminated data columns.", "mediaType": "text/plain", "title": "PostProcComparison_ver3_bottom.txt"}, {"description": "A README file describing the data set.", "downloadURL": "https://data.nist.gov/od/ds/mds2-3167/README.txt", "mediaType": "text/plain", "title": "README.txt"}], "identifier": "ark:/88434/mds2-3167", "issued": "2024-02-13", "keyword": ["Digital-analog conversion", "Josephson junction arrays", "signal synthesis", "superconducting integrated circuits", "voltage measurement"], "landingPage": "https://data.nist.gov/od/id/mds2-3167", "language": ["en"], "license": "https://www.nist.gov/open/license", "modified": "2024-02-06 00:00:00", "programCode": ["006:045"], "publisher": {"@type": "org:Organization", "name": "National Institute of Standards and Technology"}, "theme": ["Electronics:Superconducting electronics"], "title": "Pulse Patterns for the Josephson Arbitrary Waveform Synthesizer, CPEM 2024 abstract"}