https://www.nist.gov/publications/fast-pulse-oscilloscope-calibration-system-1
A Fast Pulse Oscilloscope Calibration System | NIST
Oct 12, 2021 - A system is described for calibrating high-bandwidth oscilloscopes using pulse signals.
fast pulseoscilloscope calibrationsystemnist
https://fluke.com/en/product/accessories/calibration-accessories/5080asc
5080A/SC | Oscilloscope Calibration Option | Fluke
oscilloscope calibration5080aoptionfluke