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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Showing posts with label
TTL quartz oscillator
.
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Showing posts with label
TTL quartz oscillator
.
Show all posts
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...
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