YO3HJV
Hamradio, Electronics& Stuff
XIEGU G90 Collection
(Move to ...)
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
Icom
.
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Showing posts with label
Icom
.
Show all posts
21 April 2025
Project "Router" - 1
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First is first... const int uartPins [ 4 ][ 2 ] = { { 3 , 1 } , // PC: RX=GPIO3, TX=GPIO1 (default Serial) { 16 , 17 } , // U_1...
17 April 2025
ICOM IC-703+ de vanzare / For Sale
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SOLD! Primul meu ICOM IC-703+ este de vanzare! Dupa un eveniment distructiv accidental (o supravoltare datorita functionarii defectuoase a ...
13 December 2022
ICOM AH-4 tuning aid with any radio
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Somehow, you end up into an ICOM HF eco-system. You have an IC-7300 or 7100 or 7000 or anything else; a radio that can do HF and you also h...
25 May 2022
ICOM IC-7100 E Extended frequency Mod
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Our EmComm group ( RVSU ) is using the IC-7100 from ICOM as primary HF Radio. We therefore must be able to use it on the full range of f...
19 May 2022
ICOM AH-4 Automatic Antenna Tuner modification for RVSU
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The Spring is here full power so is the war just North of Romania so our Emergency Communication Team ( RVSU ) is preparing for... field day...
18 October 2021
ICOM FL-53A CW Filter
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I was reading a post in a FB group. Someone was asking for a CW IF filter for his ICOM IC-703 radio. Specifically for a F-52A, CW 500 Hz 45...
19 April 2021
ICOM External Antenna Tuner Connector & Stuff
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I had some projects to made and those involve external ATU connectors for ICOM radios; I think it's better to have some informations her...
07 June 2020
ICOM IC-7100 Headless test
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After carefully reading the whole user manual (lol...) I came out to an interesting MENU setting. FUNCTION>POWER OFF(With No Controller) ...
10 May 2020
HF Arduino Beacon project
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I plan to make an Arduino CW beacon. This are the features I was thinking of: -Connected to ICOM IC-7100 via CI-V serial interface; -C...
08 April 2020
Triggering preset Voice memories and CW Memories on IC-7300
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1. Voice memory M1 - M8 The PC send to the radio the following: $FE $FE $to $from $28 $00 $## $FD ## - Memory Location 2. CW Memory M1...
06 April 2020
ICOM CI-V IC 7300 commands
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Here are some finding: -All end on $FD Send CW characters "A" - 41 $FE $FE ra $E0 $17 $xx $FD Tuner On/Off $FE $FE ...
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:
09 March 2017
Kenwood AT-300 ATU to ICOM Radio - I
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Well, I have a Kenwood Automatic antenna tuner AT-300 and some ICOM Radios (IC-7300 and IC-703+) and I want to use them. I tried to find on...
1 comment:
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