Practical deployment of subsampling-based high-frequency signal acquisition system

• Vivas Merino, Jon ^[1] ; Badillo Fernández, Inari ^[1] ; Portilla Rubín, Joaquin ^[1] ; Arredondo López de Guereñu, Iñigo ^[1] ; Feuchtwanger Morales, Jorge ^[1] ; Jugo Garcia, Josu ^[1]
  1. [1] UPV/EHU
• Localización: Jornadas de Automática, ISSN-e 3045-4093, Nº. 45, 2024
• Idioma: inglés
• Enlaces
  • Texto completo
• Resumen

  • This paper presents a cost-effective solution for high-frequency signal acquisition using a subsampling-based system. The focus is on the practical implementation of a uniform subsampling setup, leveraging Track-and-Hold Amplifiers (THAs) and precise timing control for efficient signal reconstruction. The system allows the acquisition of signals above the Nyquist frequency, significantly reducing data storage needs, simplifying real-time analysis, and enabling the use of economically competitive components. Special attention is given to the challenges and considerations in deploying such a system, including the need for synchronization between THAs and the measurement system, and the impact of timing jitter. The paper demonstrates that with careful implementation, subsampling-based systems offer a promising and economically viable approach for high-frequency signal acquisition and control.