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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10 January 2018
ICOM IC-7300 QRP measurements
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On the ICOM IC-7300 FaceBook group i saw some discussions about the lowest power at which the radio transmitt. Measuring the low power is ...
07 January 2018
APRS via LoRa I
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O sa notez aici cateva din etapele setarii unui echipament care foloseste un mix de tehnologie veche (APRS) cu tehnologia noua (LoRa). Mom...
06 November 2017
Pulse Frequency Modulation IGBT controller
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I have been asked by a friend to make a custom IGBT controller. Well, I heard about this marvels previously but didn't bother to read ab...
1 comment:
22 July 2017
SE6861/12 mod AEG Telefunken manpack HF radio
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AEG Telefunken SE6861/12 mod Gama de frecventa : 1.5 - 30 MHz in pasi de 100Hz RF output: 2W sau 20W PEP Antena: baston 3.3 m Ant...
09 April 2017
Dipol VHF (UHF) simplu
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M-a intrebat un amic ce antena de VHF sa isi faca. Imediat m-am gandit la un dipol deschis, ca varianta optima eficienta/pret. Ca materi...
3 comments:
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