Lab (or pseudolab for DPS5015) PSUs 3.3v power-up
Small comparison.
HAM radio, MTB, Photos…
Small comparison.
Completely assembled, but…
2 ADCs (only one with LNA), 4 layers board, not tested yet: https://oshwlab.com/neuroworker/redqmtechadc
Photos
Photos and video (RU)
After relocation to another city
It’s based on a copper plate, big old whipped aluminium radiator and two 100Ohm resistors, 800watt each.