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
HackRF TV :)
https://github.com/fsphil/hacktv https://github.com/steeviebops/hacktv-gui
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:
Different inductors in BPF
Replaced inductors in BPF — 2 handmade and other non-smd inductors from aliexpress. I forgot to make a photo of the result
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.