Homemade Triode Transmitter

Finished homemade radio and companion transmitter to go along with it.
The schematic of the Transmitter is from glasslinger's build of the Oscillion Transmitter. This was inspired by his video.

[@KeritechElectronics]

Very cool! Even if with a lot of distortion, you did re-create the early stages of wireless communication history. I'm absolutely impressed.

[@jdflyback]

Thank you!

[@user-hp5xl8nl3y]

Удивительная проделанная работа ! Ваш талант и знания помогают нам переместиться во времена динозавров эпохи развития радио ! Только не прекращайте творить чудеса руками и делитесь новыми видео с нами ! С уважением из Кыргызстана Бишкек .

[@scottmorgan5370]

I'd say you deserve an A++ for this work...

[@sneugler]

Super impressive results for tubes with uncoated filaments, looking forward to more videos!

[@rca7591a]

A thing of beauty! That radio receiver. 😎

[@dineshvyas]

Not the most stable thing in the world but the most interesting thing I came across after a long time.

[@tiga4180]

Fantastic result! So good to get a glimpse into early radio!

[@mohammadmoezi3813]

hi sir..i saw your video..and for some days i was confused.because you make all things that you need..bravo bravo

[@InterdimensionalWiz]

with homemade triodes too,marvelous!

[@hamradioeconomystyle48]

That is amazing. What a great job. With good old vacuum tubes. Love the schematic diagram.

[@user-cn5kv5ey4c]

Какой смелый порыв в сторону восстановления эстетики радио.. Спасибо! Я застал ещё эпоху вариометров и литцендратов, пропитанных шеллаком...

[@henrydemonceau9710]

when radio WAS radio... I am a tube and Xtal radio nostalgic and keep great memories of the projects built in my teens and preteens, good stuff thanks a mil

[@ON6KE]

Congratulations. :-) 73, stay safe. Gust ON6KE

[@aurelf3158]

You are a pioneer.Congrats

[@Dark_Matter2]

Looks great 👍

[@chanheosican6636]

That very cool. I am impressed Making your own cathode tubes you have a lot of skill. I work with transistor radio and op amp radio.

[@Chiavaccio]

Great!!👏👏👏👏

[@frequencywatchers]

OMG, Now I Start To Understand what are these soviet things that i have, Damn, so cool

[@PatrickInCayman]

Wow, ultra cool!

[@dz-abouttechnique1849]

Excellent video!!

[@ocayaro]

This channel is very underrated. I wish I could round up subscribers for you.

[@johnwynne-qx6br]

Amazing knowledge and understanding and excellently explained . Thankyou for sharing subscribed.

[@InterdimensionalWiz]

great! takes us back to the early days....and handbuilt triodes...yes yes yes!

[@InterdimensionalWiz]

makes me think of the movie 'forbiden planet'

[@davidportch8837]

brilliant - really enjoyed this - thanks for sharing...

[@jdflyback]

Thank you!

[@julioverne3825]

Really nice!

[@nikomaukkonen4994]

Interesting as always! Have you considered coating the filaments with barium carbonate to form an emissive coating? That would drastically reduce the required filament power and increase tube lifespan as i'm sure you already know.

[@jdflyback]

Yes, I am trying to transition to oxide cathodes, my issue right now is that my tubes often gas up after a few days and require another heating of the getter to increase the vacuum. This is repeated over a week or so until all the air is out. I am worried the oxide cathodes will be poisoned if that happens rendering the tube useless. I think I will have to pump for much longer and bake the tubes in an oven to prevent the gassing up.

[@xmlisnotaprotocol]

Absolutely amazing!

[@85Studios]

cool video! I love your channel and your projects!!

[@klausphotobaer5754]

Awesome ! 👍🏻👏🏻

[@basspig]

Love the three valve superhet!

[@jackengles]

Wow u r very smart I love watching it videos

[@mohammadmoezi3813]

and when i saw your video about made vacuum tube in the past again...i became confused....

[@039dalekmoore2007]

Beautiful work ! you should try magnetic amplifiers amplifying switching with transformers ,great for controlling HV

[@14rss]

Terrifyingly jank but so incredibly impressive

[@Simplifier0]

Fantastic, well done. I agree about the bare copper wire, PVC becomes really unpleasant to look at once you start noticing it. Cloth insulation is fun too though, if you have a way to make it :^) Impressive that it all operates well at 200-300V; if there was any gas in there you would've certainly found out. Have you ever tried running your tubes near their maximum filament power for more efficiency? It's obnoxiously bright, but for short tests like this one the filaments can take it, and it should provide some interesting data if you're up for it. Looking forward to your future projects.

[@jdflyback]

Thank you very much! I have tried running at higher voltage, the emission gets much higher along with the transconductance. I just get put off by how fast the envelope begins to blacken from the evaporation. I have not made plots of the curves but normally the maximum plate current for my tubes as about 5-8 mA at the reduced filament voltage with around 200v on the plate. Max I ever got was about 22 mA with full filament voltage applied. Some of my tubes are more erratic than others. The audio output tube in this video has never needed the getter reheated while the first audio tube (middle one) has needed the getter reheated three times after arcing after about 15 minutes of running. I am not sure if there is a grease spot inside that is off-gassing or one of my seals is leaky. I do not think it is a seal because it only arcs after running, not just sitting cold. If i reheat the getter and let it sit for a few days it will work fine at first but arc some time later. The highest gain tube I have made has read about half scale on my tester and a commercial triode with a gain of 46 and a transconductance of 8500 uMHOS reads full scale for whatever that is worth.

[@Simplifier0]

@@jdflyback Oh, well then it seems like you're already at the sweet spot for filament temperature then. I wasn't sure how far away you were from the maximum. Yeah, if you're losing enough filament to blacken the glass that's probably too hot; I've never had a tube short out internally from that, but I'm sure it's possible since the tungsten film is conductive. As for the gas problem, you could narrow that down pretty quickly if you built a bakeout oven; I'm sure you've seen mine for reference. At glass annealing temperatures any organic matter gets totally carbonized, so any arcing afterward is almost certainly due to a leak, unless you're using gassy materials like steel or graphite. I once accidentally left a shred of paper towel inside of a tube (not sure how!) and believe it or not the tube worked fine after sealing off despite the piece of char-cloth floating around inside of it. Assuming the scale on that meter is linear, that's a really good result by the way. Especially considering that it's bright-emitter vs. coated or thoriated. Honestly for bright-emitter tubes plotting out the I/V curves is kind of useless, since the characteristics change so much with filament power. Transconductance vs. filament current is probably the most useful way to characterize this type of tube IMO, since any other metric would make it exhausting to capture all the variables involved.

[@thf62]

lmao uninsulated wires because it looks better. What a madman i love it great work. be careful though

[@freedomfighter1000]

You said "its not the prettiest thing" but i think "its beautiful !"

[@InterdimensionalWiz]

gold star girl, gold star.

[@heathwilliams1489]

that is so cool

[@jackengles]

Love it video

[@johnpenner5182]

this woman is a getius! just wow! 😲

[@TrykyShow]

Cool Device ❤❤❤❤

[@peter-ze5oo]

Very very inteligent man

[@ryanreedgibson]

Very cool. I enjoyed this although I am not a wireless guy.

[@fjs1111]

too cool, awesome how you made your own tubes also

[@christopherkise]

?

[@oqueedeuseoquechamadodeus5346]

muito bom trabalho

[@bonsai3547]

YES!

[@m.abdulkareem3531]

you are epic GREAT. amazing

[@gfr2023]

7:16 you made a number station 😄

[@dixitmauryaiitm]

love from india

[@marceloahumada8938]

What are the characteristics of the coils, such as inductance?

[@gameyord7182]

10:45 you could put sockets on the tubes!! :-D

[@marcsmithsonian9773]

So I see for this lady " Impossible is nothing" well I can only sugest to repurpose old comertial tubes sockets and bases octal can be used to do dual triodes ;)

[@dlavisual2385]

goood

[@watchman0311]

Awsome, future Tesla

[@mikeharrington5256]

What type of glass are the tubes made out of? Is it 7052 "hard glass" or is it something else?

[@AfranulKaderOvi]

🥹🥹🥹 mind blowing 🥹🥹🥹

[@jpblanc71]

Are you MacGyver's daughter ? Impressive work !

[@goofyahhslimjackson1942]

Why’d you make it out of tubes and not transistors? Was it because of the voltage tolerance of tubes and what not or just for novelty?

[@Khalidparvez4]

APPRECIATED. TUBES SEEMS TO BE UNUSUAL TYPE OR VERY EARLY DESIGN. DO YOU HAVE ANY NUMBER OF THESE TUBES PLEASE.

[@ninder.e719]

Good morning

[@heimovalkama3938]

Tieto sekä taito ja näppäryyttä täytyy vain ihailla !,,kitos toivottavasti näitäesityksiä nähdään muiltakin aloilta.

[@adilabusafa]

شكراً لك-يتعذر التعليق-لا أعلم .

[@m.arsyaelnathan9606]

Singkat Padat.

[@patprop74]

im new here so what? you made the tubes???????

[@jdflyback]

Yep! I have other videos on my channel showing how to make them. Triode: kzbin.info/www/bejne/rJfZl5p9n5plZ68 Triode: kzbin.info/www/bejne/qXysnZqfoMdmjK8 Nixie Tube: kzbin.info/www/bejne/p2isZ2SaZ5yFaac Cathode Ray Tube: kzbin.info/www/bejne/e4Tam2CMjc93qrs

[@m.abdulkareem3531]

a female likes electronics amazing 😊

[@user-ow6xp4ky1n]

Это вдохновляет!! Это не потребление - это Вдохновение. Желаю счастья Вам! ЛНР

[@alexandervonzoller-sakharo6386]

cleaver use of home built audions

[@glennquagmire1747]

Firsts solar flare will render this old technology unless lol

[@user-te3jz7nk9u]

Helo girls

[@jimcatanzaro7808]

All junk

[@treadmillrepair754]

Amazing

[@user-gs1bf4du6w]

sorry , what the toobs ? hand maks?

[@wilsonhernandez8452]

I LOVE,,,THAT,,BUT CAN,T FIND,,,,PARTS,,,..