It might not count as “DC to daylight,” but an electromechanical attenuator that covers up to 70 GHz is pretty...
North America's Premiere Amateur Radio News Magazine
North America's Premiere Amateur Radio News Magazine
via Hackaday: Looking at a TRS-80 12 MB External Hard Drive from 1983
via Hackaday: It’s GNU Radio Companion, But in the Browser
via Hackaday: The Different Ways To Look at Negative Resistance
via Hackaday: A UPS For Your Pi That’s a Little Different
via Hackaday: How High-Voltage Current Transformers Monitor the Grid
It might not count as “DC to daylight,” but an electromechanical attenuator that covers up to 70 GHz is pretty...