Wolf2 amplifier IMD3
102W 26dbc = 32 db PEP (taking average — did multiple measures and they were around this value): 1A current on the
Метка: hf
Wolf 7 amplifier IMD 3
DAC driver output — intermodulations somewhere at the noise floor 
: 50W 37dbc = 43db PEP: 80W 31dbc = 37db PEP:
QMTech 7z020 + DAC904E video (RU)
https://github.com/enthru/redQmtech_notes
Qmtech Zync 7z020 board pt.2
No it’s able to transmit:
Record for history — esp32 + gowin FPGA trx
Qmtech Zync 7z020 board
I was trying to run it with AD6645-105 and overclock it to 122.88mHz, but ADC chip was dead 
Ordered new one
Playing with filters for Wolf 3.5″
Replaced inductors with non-smd: 160m: New: 80m: Old: New: 40m: Old: New: 30m: Old: New: 20m: Old: New: 18Mhz: New: 15m: Old:
Wolf 3.5″ battery
Wolf 3.5″ is finished too.
There is some tuning needed, but almost nothing to solder anymore, just 2m filters mods required. And all works.