Wolf2 amplifier IMD3
102W 26dbc = 32 db PEP (taking average — did multiple measures and they were around this value): 1A current on the
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