YO3HJV
Hamradio, Electronics& Stuff
XIEGU G90 Collection
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Full schematics
Block Diagram and Schematic
G90 Faults and mitigation
Reflashing the Bootloader
Audio Amp Gain Mod
Power supply section
SMPS regulators instead of LDO
"COMM LOST" Error
MCU and DB9 reference
External Speaker Mod
Firmware Programming Cable Schematic
High Resolution Pics
Power Output vs Supply Voltage
Front Panel Backlight
ATU issues
ICOM RJ-45 Microphone with G90
Disassembly the Front Panel of G90
VFO encoder selection
On screen voltmeter
Repair Manual by XIEGU
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28 April 2018
Courage Does Not Tremble - A Ham initiative
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"Curajul nu se teme de cutremur" este o initiativa a radioamatorilor din Italia pentru a sprijini strangerea de fonduri pentru...
ISRAEL 70 Diploma
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Well, I got this diploma for working several stations from 4X. Why is so important to me? Because I made one contact on CW!
21 April 2018
CW. "Inceputuri" re-loaded.
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In pofida celor afirmate de unii radioamatori mai carcotasi, cum ca CW ar fi practicat de o cateorie de hami lipsiti de cunostintele de limb...
14 April 2018
Homebrew HDD CW paddle
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I was playing with some scrap to make an usable CW paddle key... This one is made from some parts scavanged from an old HDD laying around....
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08 April 2018
Some Vertical Antenna Experiments
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On my second QTH I have a vertical antenna (Hustler 4BTV) placed directly on the ground. It works amazing but has only 7, 14, 21 and 28 MHz...
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