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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24 April 2015
RYRYRY VY QRP test beacon de YO3HJV
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This night I finished my small RTTY Beacon based on an Arduino Uno and a AD-9850 DDS. The tuning frequency is 14.088 kHz, USB. RTTY is sen...
24 April 2014
To all the ham...
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To all the ham operators who visited my web-page, 73 from Romania and hope to hear you in the band!
21 April 2014
Back...
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Well, I'm back in Bucharest from a long and exciting trip in Cheile Latoritei at Petrimanu Lake. Very nice! Heavy road, a lot of rain a...
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