I used to live in La Junta Colorado, I was amazed at the broadcast am radio I would receive.
@MIKROWAVE1
Жыл бұрын
Nice lower noise environment for AM!
@olafelsberry420
Жыл бұрын
@@MIKROWAVE1 you hit the nail on the head kind sir, definitely little to mechanical whine simply because there was little electrical interference.
@radiotec76
Жыл бұрын
Nice appearance! I love the combination of wood base and legacy vacuum tube components!
@MIKROWAVE1
Жыл бұрын
He did a great job at balancing the retro look with practical components - at the price of some some performance limits, as we will see in the next video.
@matthiaswilhelm9813
7 ай бұрын
Very good Performance mister😂❤
@MIKROWAVE1
7 ай бұрын
It works but you do have to be patient.
@ribeiroflyby9766
Жыл бұрын
Nice gear Bro, RF its one of best part this cience called Eletronic. Like from Brazil 👏👏👏...
@MIKROWAVE1
Жыл бұрын
Obrigado por assistir meus vídeos de rádio.
@awaismushtaq5719
Жыл бұрын
For home-grown product, design is fairly sober
@ahchu3256
Жыл бұрын
Very cool! I think I will attempt this project - DE K1TB
@MIKROWAVE1
Жыл бұрын
This will be a great project. Start collecting parts!
@Chris_Grossman
Жыл бұрын
This was an interesting since I had never looked at the one tube transceiver circuits. The transistors in the schematic with the step-up supply will degrade over time due to McDonald effect from the reverse base-emitter bias on the off transistor.
@MIKROWAVE1
Жыл бұрын
That is quite a primitive circuit, and I will take a closer look when we get there with the series.
@DAVIDGREGORYKERR
Жыл бұрын
Should that Solid State high voltage generator not have had a feedback winding and just one 10K resistor not 2 10K resistors and a 50Pf capacitor across the two collectors of the transistors to get a nice clean signe wave instead of a raspy sound square wave.
@luisagonzales1442
Жыл бұрын
❤
@acestudioscouk-Ace-G0ACE
Жыл бұрын
Interesting and thanks for showing it to us. Is the 250V DC supply easily found today please?
@acestudioscouk-Ace-G0ACE
Жыл бұрын
@@tripplefives1402 Thanks for the information, I appreciate it. As my handle suggests, I'm in the UK where the voltage is 230v but I take the principle for what you say. A varaic is a good option and is on my shopping list. Thanks again and best 73, G0ACE
@MIKROWAVE1
Жыл бұрын
The unit has onboard 250V that is converted up from 12V. So the unit only requires 12V and, of course, a 9V battery.
@acestudioscouk-Ace-G0ACE
Жыл бұрын
@@MIKROWAVE1 Thanks for the information Mike. That clears things for me.
@barrymontgomery9860
Жыл бұрын
Very cool!!
@MIKROWAVE1
Жыл бұрын
We shall see how cool soon!
@maciekbal5924
Жыл бұрын
Great as usual. ❤ Is your tuning knob old stock or did you found a place to buy it this time?
@MIKROWAVE1
Жыл бұрын
I do not know how Dwight supplies these rigs with that Vintage Hardware. It seems unbelievable that he has access to such stock in quantity.
@JCWise-sf9ww
Жыл бұрын
Very nice 2 tube transceiver with vintage tubes, etc.. Why did he not use the 250 vdc source divided by 2 resistors for the regen tube? That way you would not need a 9v battery and it could all be powered by one 12vdc power source.
@MIKROWAVE1
Жыл бұрын
There are many ways, but component count, perhaps by the time you clean it up enough? We shall see.
@DAVIDGREGORYKERR
6 ай бұрын
Was it Shango066 if not who?
@kenchilton
Жыл бұрын
Do you have a link for order info? Do we just contact Ike at his QTH mailing address?
@MIKROWAVE1
Жыл бұрын
He seems to have an EBay and Esty store, but yes, email for queries.
@scottmorgan5370
Жыл бұрын
I've never been the first viewer. No big deal at all. Good grief, 200 - 500 Volts in a set of headphones ???
@MIKROWAVE1
Жыл бұрын
Ha the good old first days of radio.
@jennyjansen754
Жыл бұрын
I guess using an audio transformer would be cheating.
@MIKROWAVE1
Жыл бұрын
@@jennyjansen754 Folks are experimenting with ordinary small power transformers. For instance a 120VAC to 6.3 VAC 1 Amp job has a 19:1 voltage ratio which squares to a 362:1 Impedance transformer. So if you had a tube with 4500 Ohms of plate impedance, the output impedance would be 12 Ohms to drive ear buds.
@DAVIDGREGORYKERR
Жыл бұрын
Anyone built this unit into an Altoids Tin using Pencil stub vacuum tubes.
@MIKROWAVE1
Жыл бұрын
I have a few of these. My buddy keep stealing them for fuzzboxes.
@DAVIDGREGORYKERR
6 ай бұрын
@@MIKROWAVE1 There are Russian Germanium Transistors that should work also.
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