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Метка: hf

29.09.202413.09.2025 enthru hamradio hf, sdr, wolf, wolf7

Adding sockets for powercords Wolf 7

Will be easer to disassembly it to do some things.

29.09.2024 enthru hamradio hf, sdr, video, wolf, wolf3

Wolf 3.5″ receiving outside

28.09.202413.09.2025 enthru hamradio hf, sdr, wolf, wolf3

Replacing radiators on the wolf 3.5

A bit ugly, because I’m a bit tired of tuning those transceivers, but it had to be done

21.09.202413.09.2025 enthru hamradio hf, measurements, mrfx1k80

Check losses in big LPF

Not good at all — heater 🙂

12.09.2024 enthru hamradio amplifiers, hf, measurements, sdr

Dn-radio kit rd16 amp. IMD3

Not the best, around 20dbc — 26db PEP average, needs some work 🙂

12.09.2024 enthru hamradio amplifiers, hf, measurements, sdr, wolf, wolf3

Wolf 3.5″ IMD 3

10watt power 28dbc — 34db PEP: 10watt power 30dbc — 36db PEP: 5watt power 15dbc — 21db PEP:

11.09.202413.09.2025 enthru hamradio amplifiers, hf, measurements, wolf

Wolf2 amplifier IMD3

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

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10.09.202420.09.2024 enthru hamradio amplifiers, hf, measurements, sdr, wolf, wolf7

Wolf 7 amplifier IMD 3

DAC driver output — intermodulations somewhere at the noise floor 🙂 : 50W 37dbc = 43db PEP: 80W 31dbc = 37db PEP:

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02.09.202426.11.2024 enthru hamradio 7z020, hf, measurements, qmtech, sdr

QMTech 7z020 + DAC904E video (RU)

https://github.com/enthru/redQmtech_notes

31.08.202413.09.2025 enthru hamradio hf, qmtech, sdr

Qmtech Zync 7z020 board pt.2

No it’s able to transmit:

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