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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19 August 2021
Sine wave CW generator with XR2206
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There is a while since I made a nice electronic keyer; being made with Arduino, a simple solution to monitor the keying was to define a PWM...
07 August 2021
Get me FT8 DXCC!
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Too good not to stole it and post it here!!!
21 July 2021
9A/YO3HJV/P
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I planned to work HF/portable from Dubrovnik when coming back from Austria but, unfortunately, the change of pandemic rules for entering th...
19 July 2021
Xiegu G90 MCU and DB9 reference
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## Board revision: V2.0.7 GAI03 ## LCD Display: KD018QQTBN009-RT Link to manufacturer: http://en.tft-tft.com/product/detail?id=19 ### u...
17 July 2021
Xiegu G90 power supply section
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Here is the schematic for the power supply section on the PA Board of the Xiegu G90 transceiver. The board is marked "G90-BASEBD-V2.0...
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