New Qmtech ADC board
2 ADCs (only one with LNA), 4 layers board, not tested yet: https://oshwlab.com/neuroworker/redqmtechadc
Метка: hf
New QRP RF unit for Wolf day 4
New QRP RF unit for Wolf day 2 and 3
1.5KW HF load SWR
Started assembling QRP RF unit by RU4PN
AMP is on RD15HFF MOSFETs, has a tuner and place for SAW VHF filter:
Testing MRFE6VP61K25H
Photos and video (RU)
New hobbyplace
After small relocation:
Big HF load
It’s based on a copper plate, big old whipped aluminium radiator and two 100Ohm resistors, 800watt each.