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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07 January 2019
Legea nr. 356/2018 privind unele măsuri sancționatorii în domeniul radiocomunicațiilor
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Dintr-o eroare pe care mi-o asum integral, am omis din vedere ca pct.13, sectiunea IV din Anexa la Regulament restrange cazurile in care l...
5 comments:
29 November 2018
File Transfer using DMR SmartPTT File transfer
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For our needs of file transfer on Emergency Communications we often need some independent and autonomous solution to transfer files over th...
06 October 2018
New QRP-uBITX in the shack - III - Transmitter section mods
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OK, it was the time to see how the TX section of the uBITX is... From time to time I also tested how it fits inside the case... ...
01 October 2018
New QRP-uBITX in the shack - II - A few necessary measures
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First of all, the board is "Rev 4" which means it came with discrete audio PA and "Audio pop mod". Here is the ful...
30 September 2018
New QRP-uBITX in the shack - I - Welcome preparations
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A while ago, a friend asked me to fix his uBITX. I started to search information about this little radio and found amazed that is very clos...
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