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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18 October 2015
UVB-76 on a new frequency?
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This afternoon, when scanning (as usual) for Middle East activity which take action in the 5-12 MHz, I received a very familiar sound on 6.9...
1 comment:
05 September 2015
Strange Frequency Hopping
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I reached my second location, outside the noise of the city. Here, my SDR works beautifull and revealed me a whole new world of signals! I ...
19 July 2015
D1DNR-Pirate radio from pirate country
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Today I catch on 20m band a strange callsign: D1DNR. Searching a little on the internet I found that the operator is from so-called Donets...
8 comments:
07 July 2015
Ham Fair FRIEDRICHSHAFEN 2015
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Desi imi propusesem inca de anul trecut sa dau curs invitatiei de a participa la Ham Fair, din cauza unor probleme de sanatate am fost ...
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