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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14 May 2016
APRS pocket transceiver bazat pe Arduino
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M-am apucat sa experimentez cu un Arduino niscaiva traznai de APRS. Pana la urma a iesit un tracker care poate sa so receptioneze traficul A...
1 comment:
30 April 2016
Antena dipol compact pentru banda de 60 m
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Dimensiunile dipolului scurtat Recenta permisiune de a utiliza un canal intre 5363,5 – 5366,5 kHz a prins pe nepregatite radioamato...
27 April 2016
APRS at smallest footprint
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Today I received the APRS modem boards. They are made around a ATMEGA328 and can be programmed with Arduino IDE. All they need is a small GP...
26 April 2016
RFSM2400 and WinLink Winmor
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Today I did some tests focused on the file transfer speed using two soundcard modems. RFSM-2400 receiving test RFSM-2400 is a freeware...
15 April 2016
Playing with the front end of the IC-7300
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I heard some rumors about how bad is the IC-7300 front-end and how unsuitable is for hunting low signals so I want to try to push the input ...
5 comments:
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