Exercising with creating RF shields :)
Not perfect but acceptable. Too much solder, it doesn’t look cool, but does not interfere with work 🙂
Not perfect but acceptable. Too much solder, it doesn’t look cool, but does not interfere with work 🙂
BPF: LPF:
Frequency response: SFDR: https://github.com/enthru/Arduino-AD9851-DDS-Direct-Digital-synthesizer-Signal-Generator
https://github.com/enthru/Arduino-AD9851-DDS-Direct-Digital-synthesizer-Signal-Generator
2 ADCs (only one with LNA), 4 layers board, not tested yet: https://oshwlab.com/neuroworker/redqmtechadc