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
UHF repeater
.
Show all posts
Showing posts with label
UHF repeater
.
Show all posts
27 June 2025
Arduino Based Repeater Controller
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A request from a fellow ham made me revisit an old project, and Arduino based repeater controller. This lead to an iterative process to up...
01 February 2016
Low profile duplex UHF Repeater for Ham radio Emergency Communications
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Finally, a portable duplex UHF repeater! A few years ago I start to think about a small, portable and very reliable duplex repeater for ...
7 comments:
14 October 2010
A new repeater for the South of Romania
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Well, we did it! We manage to put a repeater on Furnica Peak (KN25RI) near Sinaia at 2000 m asl. The repeater is a mixed one: it has voice c...
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