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 July 2014
Simple oscilator for testing cristals
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Yesterday I was a little bored and I was staring to a box full of quartz cristals. I was wondering what frequency was, especially a very old...
2 comments:
21 July 2014
My laboratory I
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Some are curious about my lab tools. Well, I do have some stuff collected in years. The most important tools in a electronics laboratory ...
18 July 2014
Digital Multimeters
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I wrote about receiving the VC-1008 , the new multimeter in my shack. Well, I told you that I have a very old DMM, a Voltcraft VC98 with 3 ...
1 comment:
10 July 2014
Greed-O-Meter
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Well, "Greed Deep-meter" is not tthe correct form! "Greedometer" or "Greed-o-meter" seems more appropriate t...
A new multimeter in the shack.
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Since 1996 I am a fan of Voltcraft multimeters. The first one was a VC98. It still work altough is heavy modified to overpass the years. It...
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