TA-0431: Rohde & Schwarz NGRE 40 30 - Teardown Installation Test

Рет қаралды 4,769

Tony Albus

Күн бұрын

Пікірлер: 57

@LawpickingLocksmith Ай бұрын

Maybe we should donate money for Tony to get himself a larger shack. I really like his nerdy videos.

@TonyAlbus Ай бұрын

Thank you so much! .. more space is more stuff, this keep me at least a bit in control. maybe i need less space..

@jabbalechat7910 Ай бұрын

Dude, that's an awesome bit of kit... 👍👏😻

@TonyAlbus Ай бұрын

Thanks man!! yeah cool power!

@PeaceToAllEvenYou Ай бұрын

I have a couple of very lovely R&S "NGPV 100/1" with GPIB - stunning gear.

@TonyAlbus Ай бұрын

That NGPV look great, it seems a mix of this NGRE and a NGPS

@redsengineering Ай бұрын

One of the best power supplies I've ever seen. Sometimes a switching supply just doesn't cut it. I would replace the cover with a piece of clear polycarbonate...it's a work of art. Thanks for showing us.

@TonyAlbus Ай бұрын

Thanks Red, i think that is a great idea, i might even do that. it is a beauty

@grerlab2777 Ай бұрын

Wow...amazing...I've never seen this kind of power supply... for the inrush current I've already had this kind of problem. I used an NTC with a relay in parallel. For example, after 400ms, the relay takes over and lets the NTC cool down... (video #38 in french). Thanks Tony (always interesting and full of new things)...✌

@TonyAlbus Ай бұрын

Thanks Grer, yes that is one of the best solutions indeed, thats what i did in the end, i did not like the NTC going to 100C .. but i think its made for it, but is just felt wrong. so the relay is great.

@User-rm9cw Ай бұрын

Wow! Impressive 😎 Have a good December Tony!

@TonyAlbus Ай бұрын

Thanks and same to you!

@Stephen_Heathcote Ай бұрын

Excellent video Tony! Reminds me of a 1200w power amp that i made years ago. It had 2 massive toriodal transformers in it and i had to put a soft start circuit in there (relay and NTC too), as it kept blowing fuses in the pub that i made it for (not good when a pub goes dark!) Its still working to this day too :) Merry Christmas - Hoping to see the 01012025 on the meters again this year :)

@TonyAlbus Ай бұрын

Thank you stephen! Great work in that pub.... all my best to you and yours!

@tomigenelin3963 Ай бұрын

Nice thing

@TonyAlbus Ай бұрын

Thanks!

@Janktzoni Ай бұрын

The relay on that module is an automotive class relay. It was never meant to switch mains voltages.

@TonyAlbus Ай бұрын

Yes i think you are correct, i looks like a Car relay.. it seems to work, and it switches when to current is already low, the first peak is taken by the NTC's then after 2~3 second the relay is in parallel with the NTC's so the switch moment is always with low current.

@MarcelHuguenin Ай бұрын

Hey Tony! Jaa! Enkele jaren geleden kocht ik bij Amplimo een 500VA toroidal 1:1 trafo en de eerste keer overkwam het mij ook: inschakelen zonder NTC en poef! Ik herkende het schema van hun NTC pagina en sindsdien heb ik geen problemen meer en heb ik een prima 500VA scheidingstrafo met power meter in het front en contactdoos etc. Wat jij daar hebt is echt wel aan aantal maten groter zeg OMG. In eerste instantie dacht ik hoe heb je dat ding in 'shemelsnaam boven gekregen maar toen ik je liftje zag dacht ik, ohja, dáárvoor was ie gemaakt. Maar OMG wat een beest zeg! Had je daar ook een toepassing voor of was dit om gewoon lekker te 'geeken' ? Dat lukt zeker hiermee zeg. Cool!

@TonyAlbus Ай бұрын

Hi Marcel, inderdaad een super gaaf ding, ik wil mijn super gevoelige tranceiver er mee voeden, kijken of het rustiger kwa storing wordt tov een switched mode. Ik had het wel een beetje onderschat, maar ik ben wel blij dat ik de wijzigingen in huis heb gedaan om de werkplaats bijna helemaal te scheiden van de rest van het huis kwa electra en aardlek. oude apparatuur wil nog wel eens the aardlek laten aanslaan. als het nu gebeurt gaat de inductieplaat ook mee, maar de rest draaid door, dat wel heel fijn nu. en die C karakterestiek is ook fijn, het was soms net aan of niet als ik de hoofdschakkelaar op zolder aan zet. door de computer voedingen enz.. daar heb ik nu ook geen last meer van. ja ben erg blij met de lift/takel. het was echt gevaarlijk voorheen dat ik dan 30 KG of meer en mijn eigen gewicht op dat dunne trappetje ging gebruiken.

@MarcelHuguenin Ай бұрын

@@TonyAlbus Goed gedaan hoor 👍🏻

@ivojanssens221 Ай бұрын

Dit doet me denken aan een DIY lineaire die ik ooit bouwde. Een 2x 25V 20A voeding die ik in serie of parallel kon schakelen. Als voorschakelapparaat gebruikte ik een variac die ik met een stappen motor aanstuurde. Die stappen motor stuurde de variac automatisch aan zodat de spanning over de regel transistoren altijd tussen de 8 en de 10V was. Goede lineaire regeling met minimale dissipatie over de transistoren. Ook had ik de uitgang van de variac en de AC uitgangen van de transformator, serie of parallel, die ik kon sturen met met de stappen motor via drukknoppen. Oh ja, variac altijd na gebruik naar min zetten of… juist, bij inschakelen prijs 😂. Dat was ruim 30 jaar geleden, een Frankenstein PS… deze voeding ziet er gewoon fantastisch uit. Geniet ervan.

@TonyAlbus Ай бұрын

Ja perfect inderdaad als je het zo met de variac doet anders moet er zoveel opgestookt worden. deze RS voeding heeft ook vele windingen. dank je! ja erg blij mee.

@ssalient Ай бұрын

This is a very nice power supply but way over my needs (and budget) :) A soft starter is indeed a must with these things, I have a variac which also doubles as an isolation transformer and I needed to use one for that as well. I measured the inrush and at it's worst I measured an inrush of 180Amps (just a few ms).

@TonyAlbus Ай бұрын

Yes those inrush currents are crazy.... now i need to find a spot for it, it not fitting in the rack.

@Elektronik-EXTREM Ай бұрын

Hello Toni, my switching power supplies have more power.😅 Thanks for your nice video.

@TonyAlbus Ай бұрын

Thanks, yes i know and they are so much smaller.

@earlyadapter643 Ай бұрын

Nice presentation, also the elevator to your lab ! I stick with the small switching power supplies. If one of them bothers me, i have another one that seems to be transmitting on a different band so i swap. When i was young i had bought, maybe around 1988, second hand a quite heavy power supply on an aluminum angle with a huge transformer in the middle and strangely, it was specified 40-440 Hz which is clearly aircraft juice, so i guess that before the switching mode power supplies were popular or widespread, they used the heavy stuff even on planes. At the moment i work on a pulse power supply for an academic satellite for digital data transmission and i'm approaching the 1W/g power per weight performance. Of course the latest USB PD GaN charger is always ahead of what i can do with my possibilities but i have an eye on it as a reference.

@TonyAlbus Ай бұрын

Thanks for sharing, interesting.. The latest switchmodes for Ham, have a noise offset, that sort of does what you do by switching supplies. amazing that they did put the heavy stuff in planes too. 1w/g that cool.. wow!

@eb7hht Ай бұрын

Thanks Tony.....73´s

@TonyAlbus Ай бұрын

Thanks too, 73

@craxd1 Ай бұрын

I have a large HP/Harrison that way, and a Pyramid and an Astron. All linear, and all very heavy. It takes a lot of iron to make transformers capable of supplying a high current at that voltage. That is why HV transformers, even at a few amperes, weigh what they do for a 2 KW RF amplifier.

@TonyAlbus Ай бұрын

Sounds like you have some nice collection of PSUs', and heavy indeed.

@mengisi Ай бұрын

Currently my largest linear power supply on the bench is Kenwood PD18-30 AD (0 - 18 volt, 0 - 30 Amps) Very stable since I bought.

@TonyAlbus Ай бұрын

Sounds great!

@HainjeDAF Ай бұрын

Nice score! Congrats! 🎉 Have enjoyed your in depth video! Love the shirt. Where did you get that?

@TonyAlbus Ай бұрын

Thanks! .. yes was fun to make too. The Tshirt was from thsi store i think: go.tonyalbus.com/ts2be

@jspencerg Ай бұрын

Nice. What will you use those amps for? I lucked upon an old SCR 20V 80A PS made for anodizing. It has a huge inductor. Works great to charge lithium batteries. It's a 50kg monster. PS. That's quite the tower you've filled there!

@TonyAlbus Ай бұрын

Will use it to power my tranceivers. as a HAM i try not to use SMPS

@AlpineTheHusky Ай бұрын

I recently got in touch with someone who got a E316 RLC bridge and...welp he already upsold me on a old Audio frequency generator and he is trying to upsell me again with a Fluke 8600A and another DMM...my wallet and my space is scared :D

@TonyAlbus Ай бұрын

That is a good start for a Test Equipment Addict ... remember there is no cure. :)

@AlpineTheHusky Ай бұрын

@TonyAlbus I already have around...8 oscilloscopes, 8 handheld and 3 bench DMMs, 1 old analog picoamp/microvolt meter...Issue is I live in Austria so yeah I can get ass old stuff but not a lot of cheap stuff

@TonyAlbus Ай бұрын

@@AlpineTheHusky Yeah, welcome to the club of TEA :)

@BjornV78 Ай бұрын

What a beast of a PSU, i have lying here a 24V AC @ 33A (marked as a 1Kva) transformer collecting dust on a shelf, waiting for a decent schematic to handle that power. Maybe if i can find the schematic of this beast , that i can use that as a basis, but mostly transformers for a linear power supply use multiple transformer taps so that the linear regulators doesn't need to lower too much voltage and dissipate heat. My transformer doesn't have those multiple taps, so that can be a problem. Grtz

@TonyAlbus Ай бұрын

Sounds great Bjorn! .. yes these transformers have many taps. but i do have schematics, if you like.

@BjornV78 Ай бұрын

@@TonyAlbus , Hi Tony, that would be great , thanks in advance. Grtz