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LDMOS Box Done and DONE
Komentáře • 58
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Nice work brotha! You’re absolutely right on the harmonics. Once combined they clean up a bunch.
Let me be the first to say congratulations welcome to the family. What family is that you might ask the club of people they have successfully built there own ldmos amp and have a video of it working you are number 5 it's a small Club should be proud that you're in it.. welcome welcome and I'm absolutely shocked that you did not mention this yesterday when we were on the phone.. congratulations and welcome again!!
But you Mr BBI showed a LDMOS on the spectrum analyzer....I personally have not seen anyone else do this....at least not yet..
Good work Sharky.
I wonder when this new guy is going to block comments from being added, and also start refusing to sell/build amps.
So have you seen his new pallets that are publicly for sale;-)
@@BoxBuilderIdaho
Yep, let's see for how long that'll go. Eventually he might decide he's too busy. Start saying there's a one year waiting period. Too many other jobs/hobbies to keep busy at. You know the drill. He'll probably start blocking people from leaving comments;-)
Good build man absolutely like the way you explain things keep it up 💯
You are a smart guy, I new you would be back. Good luck and have a very blessed day.
Congratulations, Great video !!!
BBI sent me... Best to yah. Great Video ! Keep up the good work.
Show off....
😉
I throughly enjoyed your video...
Awesome job!
Been waiting to see a semi finished or finished LDMOS amp from you. Keep up the great work brother. 73
That’s real pro good work my friend congratulation clean I like it
That is god damn nice work - and not only that, you took the time to show that the amplifier is linear up to 2k output. I would still like to see the 2 tone test done on this thing, but I would say it should be fine. Excellent work!
I used the same step down converter for bias and fans and it created 2-3 s units of hash on my sdr receiver from the fans when I ran it on a standard power supply the Rx fan noise disappeared
Ha! I almost used that fan controller for a power supply, and thought the pwm might interfere, so thanks :) A thermal/on switch and parallel resister works though, if you want to regulate the fan some. You'd have to integrate the switch into the heat sink though. Neat build. Ambiguous and it paid off :)
Great video...
2 KW from the one LDMOS device? Man I should not have spent the money on my 2879 C amplifier.
Great job!
Get a pump a car transmission cooler and let it do its thing. Best Ella
Nice job Sharky!
Nice work MudDuckSharky!
That's just great. Just the amp I need to have.
Nice box and work. How about ssb can it be biased and how much drive could it take?
Not bashing at all MD. I love this stuff. Very well done putting it all together I'm learning a lot myself. 👍just subbed man congrats.
how much would you sell one for
can you list parts list for the other devices apart from the pa;;et. i would like to build one for 2m and your design looks very nice and probably cheaper than the versions i have seen at W6PQL.
thanks great work by the way
Must be time to get it off the load and into an antenna.. where do I listen ?
Nice work
thats legit, id love to have one for my mobile,
good video nice work 73;s from israel
So 2000 watts for what... 20 seconds? That's great but most people are on the key longer than that. Don't get me wrong I think that LDMOS is the future but it's gonna have to handle the heat for a lot longer than that.
There alot more rugged than you think.
You got this don’t look back...
Sir could you send me wiring diagram I have 1200W 1.8-54MHz Shortwave Power Amplifier Board HF Amplifier MRFX1K80H BLF188
But I have no idea how to fit in aluminum box
I just know about input or Output
But your box have relay and lot of cable
Ple help
Can I purchase low pass filter from ebay
But I don't have no idea what I'd the use of
Ple
Guy is smart
here because of BBI
What is the price of the entire project?
are those the really stable ones where if you have a high swr its ok?
One reason for your fan running to fast and loud is its not able to pull/push air past it. No vent in box for air flow. Double your voltage for fan and half the speed, if its a 12v go to 24v,, well done on the work
That's the problem... $250 each.
Where did you get your input attenuators.
Amazon. The ones in the video are... not great quality. After shooting this vid I realized one of the four attenuators was bad, and the total stack was -7db not -10db.
oh boy no filters ill pass give your neighbors a power strip with a filter on it
Do you wish to share your parts list?
Search MRFX1K80H-27mhz, you'll find all of the details on the pallet.
My v-mod, makes me nervous. Still!
Holy shit
Will you build me an amp?
If you're not planning on dropping nuts and bolts into the fan intake while shouting a video, maybe remove that filter from the fan intake, it might quiet down a bit.
What a shame.
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How much power would it push with 14.2 volts