Time-tagging data acquisition system for testing superconducting electronics based on an RFSoC and custom analog frontend
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866916943979610112 |
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| author | Foster, Reed A. Kandeh, Stephen Medeiros, Owen Simon, Alejandro Castellani, Matteo Berggren, Karl K. |
| author_facet | Foster, Reed A. Kandeh, Stephen Medeiros, Owen Simon, Alejandro Castellani, Matteo Berggren, Karl K. |
| contents | Novel electronic devices can often be operated in a plethora of ways, which makes testing circuits comprised of them difficult. Often, no single tool can simultaneously analyze the operating margins, maximum speed, and failure modes of a circuit, particularly when the intended behavior of subcomponents of the circuit is not standardized. This work demonstrates a cost-effective time-domain data acquisition system for electronic circuits that enables more intricate verification techniques than are practical with conventional experimental setups. We use high-speed digital-to-analog converters and real-time multi-gigasample-per-second waveform processing to push experimental circuits beyond their maximum operating speed. Our custom time-tagging data capture firmware reduces memory requirements and can be used to determine when errors occur. The firmware is combined with a thermal-noise-limited analog frontend with 50 dB of dynamic range. Compared to currently available commercial test equipment that is seven times more expensive, this data acquisition system was able to operate a superconducting shift register at a nearly three-times-higher clock frequency (200 MHz vs. 80 MHz). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_21714 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Time-tagging data acquisition system for testing superconducting electronics based on an RFSoC and custom analog frontend Foster, Reed A. Kandeh, Stephen Medeiros, Owen Simon, Alejandro Castellani, Matteo Berggren, Karl K. Instrumentation and Detectors Superconductivity Novel electronic devices can often be operated in a plethora of ways, which makes testing circuits comprised of them difficult. Often, no single tool can simultaneously analyze the operating margins, maximum speed, and failure modes of a circuit, particularly when the intended behavior of subcomponents of the circuit is not standardized. This work demonstrates a cost-effective time-domain data acquisition system for electronic circuits that enables more intricate verification techniques than are practical with conventional experimental setups. We use high-speed digital-to-analog converters and real-time multi-gigasample-per-second waveform processing to push experimental circuits beyond their maximum operating speed. Our custom time-tagging data capture firmware reduces memory requirements and can be used to determine when errors occur. The firmware is combined with a thermal-noise-limited analog frontend with 50 dB of dynamic range. Compared to currently available commercial test equipment that is seven times more expensive, this data acquisition system was able to operate a superconducting shift register at a nearly three-times-higher clock frequency (200 MHz vs. 80 MHz). |
| title | Time-tagging data acquisition system for testing superconducting electronics based on an RFSoC and custom analog frontend |
| topic | Instrumentation and Detectors Superconductivity |
| url | https://arxiv.org/abs/2505.21714 |