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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20 June 2013
Protectia la descarcari - ROSENBERGER 60HK20A-K01
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In urma unor articole si discutii pe marginea metodelor de protectie la descarcarile electrice mai mult sau mai putin violente a rezultat in...
08 June 2013
First QSO YO3-OE via MARC-DMR
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Today is a great day for Romanian Hams! The Bucharest DMR repeater was connected to MARC-DMR network and i could make the first QSO. The v...
16 May 2013
Despre reteaua DMR in YO - 2
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Ce se intampla atunci cand conectam mai multe repetoare? Cum se imbunatateste, din perspectiva operatorului, conectivitatea cu ceilalti cor...
07 April 2013
Despre reteaua DMR in YO
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Utilizatorii ocazionali ai frecventei repetorului B1UHF din Bucuresti au putut auzi o modulatie ciudata, tipica pentru un canal de date....
02 April 2013
Some SINAD tests for my portable radios
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As my IFR 2945A is finally arrived, I started to do some tests as part of learning curve (more than 250 pages from the User Manual!!!). I t...
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