Elenos ETG 105 DR - 100W Transmitter Repair

[BriansBrain]

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

So my guess is the Elenos is off


.

[rigmo]

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

[BriansBrain]

- Update

Received a 24064B Display from Aliexpress @ €22 inc post

24064B Display.JPG

It's a 22pin which means the Led Backlight is connected differently
So modifications required to isolate it from the Display Circuit

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

Elenos ETG 105 @ 500W.JPG

.

[teckniqs]

Nice work

[EFR]

[rigmo]

nice done

[yellowbeard]

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

[BriansBrain]

It's now on Brian's TX rack for the summer

Brian's TX Shelves 26-04-2025.JPG

Note the tin of Beer

[jvok]

What happened to the 1000w elenos?

[BriansBrain]

What happened to the 1000w elenos?

It's still working fine, it's under the bench.
However...
It's not as efficient as the 500W at lower power

[jvok]

How much power are you running day to day?

[BriansBrain]

How much power are you running day to day?

500W

Elenos @ 500W - SWR = 1.42 - 28-04-2025.JPG

[jvok]

Had to do a double take at that panel layout, thought it was melting

[Rogierhgv]

It's now on Brian's TX rack for the summer

Brian's TX Shelves 26-04-2025.JPG


Note the tin of Beer

Nice rack

Ps Can you please check your PM inbox

[BriansBrain]

It was on Brian's TX rack until the middle of November 2025 when it failed to start one morning

After a lengthy examination the Power Supply was declared officially Dead 23/11/2025

Elenos ETG500 - Original PS.JPG

[BriansBrain]

So... on Brian's rack I put the Enigma 350W Linear with one of my NRG's to drive it

October 2025 - NRG Exciter & 350W Enigma Linear Transmitter on Biran's TX ⁄ Solar shelve -150.jpg

Enigma 350W in 19'' Case - 3.JPG

Left = NRG Pro3 PLL 1-4w - Right = Veronica 2024 version.JPG

Left = NRG Pro3 PLL 1-4w - Right = Veronica 2024 version

[BriansBrain]

And for the ELENOS I ordered one of these...

CHUX 48V Power Supply 2000W.jpg

Took it apart - added an external control for 30~ 50V control on the front panel.
Full test = 0 ~ 500W adjustable output no problem, all ready for next summer

Elenos ETG 105 - With CHUX PS - 1.JPG

Elenos ETG 105 - With CHUX PS - 2.JPG

.

[montaylor]

some impressive stuff Brians Brain

[FMEnjoyer]

Lovely images, do you are any money from adverts or this this a work of radio hobby passion only ? It must cost a fair bit to run, replace and repair. Must be cool to run 500W and not worry at all about being raided.

[BriansBrain]

Lovely images, do you are any money from adverts or this this a work of radio hobby passion only ?

Brian is a hobby passion only

It must cost a fair bit to run, replace and repair.

Yes... it costs a LOT to run, replace and repair... and time.. loads of time

Must be cool to run 500W and not worry at all about being raided.

Ummmmmmmmm YES