10 layers224.5 × 160 mm

Haasoscope pro adc fpga board
drandyhaas/HaasoscopePro
Affordable 2 GHz 3.2 GS/s 12 bit open-source open-hardware expandable USB real-time oscilloscope
586 parts485MIT
Boards in 1 GitHub repository, designed in KiCad, that use the NCP18WF104F03RC by Unknown maker. See how each wires it, with its parts, size, README and files; the NCP18WF104F03RC’s symbol, footprint and pinout are on its own page.

drandyhaas/HaasoscopePro
Affordable 2 GHz 3.2 GS/s 12 bit open-source open-hardware expandable USB real-time oscilloscope