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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14 November 2011
YR1X-11 video
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Here is the video from the YR1X-11 ARHAB flight! Enjoy!
11 November 2011
October news
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RadioMagazinYO, the monthly YO hams magazine is available for download HERE . It's necessary to register as user in order to dl the maga...
08 October 2011
High Altitude Balloon Launch on October!!!
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For updated informations about High altitude balloon launch, please check THIS PAGE.
23 September 2011
2E0BLF and South Yorkshire Repeater Group steal money just like a thief!
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Yes! Is a thief! He and South Yorkshire Repeater Group . How can you name one who takes your money for a radio gear and sends nothing? ...
21 September 2011
Path loss calculator
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Everyone knows how hard it is to read books and to apply formulas. No problem! Now you can put the known data (Tx power, Rx sensitivity, ant...
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