Antminer ctrl board SDR software quickstart guide v0.9
How to install software on the board
How to install software on the board
Assemble guide
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