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Метка: wolf7

05.03.202505.03.2025 enthru hamradio hf, sdr, wolf, wolf7

Exercising with creating RF shields :)

Not perfect but acceptable. Too much solder, it doesn’t look cool, but does not interfere with work 🙂

29.09.2024 enthru hamradio hf, sdr, wolf, wolf7

Adding sockets for powercords Wolf 7

Will be easer to disassembly it to do some things.

12.09.2024 enthru hamradio, photo photo, sdr, wolf, wolf3, wolf7

Photo of some assembled stuff :)

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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08.08.202408.08.2024 enthru hamradio measurements, wolf, wolf7

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

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26.07.2024 enthru hamradio hf, sdr, wolf, wolf7

80watt VHF module is working.

There are some place for modifications and tuning, but… assembly for big wolf is finally finished… I hope I’ll never repeat it

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19.07.2024 enthru hamradio hf, wolf, wolf7

Was struggling to understand what was overheating :)

SWR was increasing and power was lowering. Was trying to figure out whats wrong… Finally…

17.07.2024 enthru hamradio sdr, wolf, wolf7

Wolf 7″ RX circuit measurements.

I’m using not best quality 0805 inductors (it’s just too hard to buy good here in Batumi) from aliexpress so BPF loss

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16.07.202416.07.2024 enthru hamradio amplifiers, hf, wolf, wolf7

Wolf 7″ amplifier in the thermal camera

No active cooling. Also there are no feedback circuits on both stages and untuned bias on the second.

14.07.202414.07.2024 enthru hamradio hf, sdr, wolf, wolf7

Wolf7 first QSO

Plus couple photos.

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