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Метка: hf

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 🙂

12.02.2025 enthru hamradio hf, sdr, sipeed, video

AD9226 + Tang Nano 9K + UDA1334A DDC

06.02.202510.05.2025 enthru hamradio hf, qmtech, sdr

Qmtech ADC board 2d ADC soldered

28.01.202528.01.2025 enthru hamradio hf, sdr, wolf, wolf3

Wolf 3.5″ BPF + HF LPF and radiator

BPF: LPF:

18.01.202518.01.2025 enthru electronics ad9851, gadgets, hf, measurements

AD9851 + BFG591 LNA

Frequency response: SFDR: https://github.com/enthru/Arduino-AD9851-DDS-Direct-Digital-synthesizer-Signal-Generator

17.01.2025 enthru electronics, hamradio ad9851, generator, hf

AD9851 small update

https://github.com/enthru/Arduino-AD9851-DDS-Direct-Digital-synthesizer-Signal-Generator

06.01.2025 enthru hamradio hf, qmtech, sdr

New Qmtech ADC board

2 ADCs (only one with LNA), 4 layers board, not tested yet: https://oshwlab.com/neuroworker/redqmtechadc

25.12.2024 enthru hamradio hf, sdr, wolf, wolf3

New QRP RF unit for Wolf day 4

15.12.2024 enthru hamradio hf, sdr, wolf, wolf3

New QRP RF unit for Wolf day 2 and 3

15.12.2024 enthru hamradio amplifiers, hf, measurements, mrfx1k80

1.5KW HF load SWR

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