Elenos ETG 105 DR - 100W Transmitter Repair

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BriansBrain
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Re: Elenos ETG 105 DR - 100W Transmitter Repair

Post by BriansBrain » Tue Oct 01, 2024 4:21 pm

teckniqs wrote: ↑Tue Oct 01, 2024 12:01 am The meter might be correct and the transmitter may not. I'd check it on other meters FIRST as it might be fine.

....Just wondering though, what would you use to ACCURATELY calibrate it??
I have 2 BIRD 43s and a 4304A.
2xBIRD 43s & 1-4304A.JPG
All give me a reading of +/- 400W into a 600W BIRD Dummy load
when the Elenos says 460W :whistle

So my guess is the Elenos is off :smoke


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Re: Elenos ETG 105 DR - 100W Transmitter Repair

Post by rigmo » Tue Oct 01, 2024 10:30 pm

if you know the exact efficiency of the amplifier, you can know the output power through the calculation of the amplifier's voltage and consumption...
Can you mesure as is on photo as exsample
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Re: Elenos ETG 105 DR - 100W Transmitter Repair

Post by BriansBrain » Sat Oct 12, 2024 3:06 pm

:smoke - Update :whistle

Received a 24064B Display from Aliexpress @ €22 inc post ;)
24064B Display.JPG
It's a 22pin which means the Led Backlight is connected differently :cry:
So modifications required to isolate it from the Display Circuit :P
24064B Display from Aliexpress - Testing.JPG
24064B Display from Aliexpress - Front - Mods.jpg
24064B Display from Aliexpress - Rear + Mods.jpg
24064B Display from Aliexpress - R13 @ 56Ω.jpg
24064B Display from Aliexpress - 3kΩ across D1.jpg
24064B Display from Aliexpress - Keyboard Circuit Mods.jpg
And Bingo - 500W :tup
Elenos ETG 105 @ 500W.JPG
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teckniqs
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Re: Elenos ETG 105 DR - 100W Transmitter Repair

Post by teckniqs » Sat Oct 12, 2024 4:24 pm

Nice work
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Re: Elenos ETG 105 DR - 100W Transmitter Repair

Post by EFR » Sat Oct 12, 2024 5:58 pm

:tup
MRF300 is heat activated, three legged fragment generator.
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Re: Elenos ETG 105 DR - 100W Transmitter Repair

Post by rigmo » Sun Oct 13, 2024 8:02 pm

nice done
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Re: Elenos ETG 105 DR - 100W Transmitter Repair

Post by yellowbeard » Sun Oct 13, 2024 8:16 pm

The blue LCD looks sexier in my opinion, well done twice! :beers
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