Wolf RU4PN QRP Unit some tests
Just transmit on 20m band before little tuning (after tuning of the bias I’ve got around -54dbm of 2d harmonic). 60db att:
Метка: wolf
New RU4PN QRP unit VNA HF measurements
BPF: LPF, it’s possible to tune it a bit:
Exercising with creating RF shields :)
Not perfect but acceptable. Too much solder, it doesn’t look cool, but does not interfere with work 🙂
Wolf 3.5″ BPF + HF LPF and radiator
BPF: LPF:
New QRP RF unit for Wolf day 5, bad PCB
Completely assembled, but…
New QRP RF unit for Wolf day 4
New QRP RF unit for Wolf day 2 and 3
Started assembling QRP RF unit by RU4PN
AMP is on RD15HFF MOSFETs, has a tuner and place for SAW VHF filter:
Some boards received
New JLCPCB order received.
Wolf 3.5 speaker protection
To not damage it in the backpack.