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
QRO
.
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Showing posts with label
QRO
.
Show all posts
23 May 2015
ACOM 1000 Tetrode Deck - Input Circuit
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For some practical purposes I decided to replicate the input circuit for GU74B from ACOM 1000 1kW amplifier. The tube is Grid driven and th...
1 comment:
05 April 2015
ICOM IC-703+ and Tokyo HyPower HL-45B
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I am the happy owner of a Tokyo HyPower HL-45B HF+6m 50W amplifier and a happier owner of an ICOM IC-703. To be the happiest owner of both...
1 comment:
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