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Razvan YO9IRF
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Si5351 output waveforms
I finally managed to have myself some shack time this weekend and one of the curiosities I had was to check the output waveform of the Silicon Labs Si5351 I2C programmable VCXO. The chip is quite popular among homebrewers thanks to its low price, ease of us...

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RedPitaya expands line-up with 7 StemLab models
Red Pitaya , the 21st century alternative to laboratory test instrumentation, have just replaced their single product with 7 new models called STEM lab . The original Red Pitaya is a powerful piece of hardware that can act as a dual-channel oscilloscope or ...

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Onion Omega2 - $5 WiFi Linux computer
The Onion Omega2 is a miniature Linux computer with integrated storage and WiFi connectivity. It runs on Linux so it supports many programming languages such as C++, Python, PHP, nodeJS etc, plus there are apps you can install for different purposes. The ba...

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Baofeng UV-50X3 - new mobile radio
Baofeng just launched the UV-50X3 triband mobile radio and it looks like a jab, cross and left hook to the established japanese manufacturers who were caught dreaming about DMR, C4FM, D-STAR and other leprechauns. Yes, the chinese manufacturers aren't creat...

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Yaesu FT-891 Operating Manual
The Yaesu FT-891 user manual has just been released and can be downloaded by clicking on the link below: Yaesu FT-891 Operating Manual   

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Red Pitaya Hamlab - HF/6m 10W SDR transceiver and much more
Red Pitaya Hamlab has just been announced at Friedrichshafen Ham Radio 2016 expo. It is a dual-receiver dual-transmitter DDC/DUC HF/6m 10W SDR transceiver with extended measurement capabilities, based on the popular Red Pitaya development board. The front-e...

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Yaesu FT-891 video
Got the chance to play a bit with the Yaesu FT-891 at Friedrichshafen 2016 Ham Radio expo. The radio is pretty menu-driven, even some of the most important menu options (like ATT or IPO) are hidden behind a few button presses. The expected price would be ar...

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