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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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:
06 April 2017
IF tap for external SDR on a Yaesu FT-840
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So, a fellow ham (YO6FPW) has send me his radio to repair and for a very interesting mod! He want to be able to use his RTL-SDR receiver wi...
13 comments:
20 March 2017
Kenwood AT-300 ATU to ICOM Radio - II
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In a previous post I wrote about a devil plan to connect a Kenwood AT-300 Automatic antenna tuner to an ICOM 7300 radio. Here is the conne...
5 comments:
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