Dead mrf9180 inside
I was doing some measurements and accidentally disconnected supply power with connected power input from driver. So gates got more than negative 0.5v and right gate has died.
I was doing some measurements and accidentally disconnected supply power with connected power input from driver. So gates got more than negative 0.5v and right gate has died.
DeepVNA + something.
And bigger pain is to cut the thread in it.
Shops.
Let’s try to add balancing choke to the schematics — feed sources from 4 turn choke for each transistor (8 turns summary) with power connected to the central point.
Homemade SDR Transceivers based on demo or datasheet modules.
BFG591 as driver.
Based on mr9120 aliexpress kit.
Plate for mrfx1k80, PTT sequencer and SWR bridge.
ts101, Owon hds2202s, antenna switch and a bit more