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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08 May 2012
KENWOOD TS-990 - A Kenwood suicide
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Looks to me like Kenwood decided to comite suicide! In a market divided between Yaesu and Icom as ham equipment producers, each one with ...
05 May 2012
1 Leu Iambic CW keyer - touch version
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In the quest for the comfortable iambic keyer I made a touch keyer. The paddles are made from two "50 bani" coins (around 14 Eur...
02 May 2012
YO3HJV portable in YOFF-164
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From 27 to 30 th of April I was on a little vacation on Black Sea Coast. I was staying in Costinesti at "Forum" Hotel. I always...
17 April 2012
Something very interesting!
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I found a very interesting blog, filled with lot of stuff for QRP and portable lovers!
14 April 2012
To be or not to be...
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...fair! Today I was in a QSO with a elder ham- YO2UW and some others in 40m band. We all had 100W output. My signal was reported with a 9+...
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