SDRs work
Progress
Progress
Photos and video (RU)
It’s based on a copper plate, big old whipped aluminium radiator and two 100Ohm resistors, 800watt each.
Packages
Not the best, around 20dbc — 26db PEP average, needs some work 🙂
10watt power 28dbc — 34db PEP: 10watt power 30dbc — 36db PEP: 5watt power 15dbc — 21db PEP:
Measurements
Measurements
No active cooling. Also there are no feedback circuits on both stages and untuned bias on the second.