Every Component of a Linear Power Supply Explained (while building one)

[@bradley9856]

Very interesting, you've somehow managed to get electrical engineering into my thick mechanical engineering skull with these videos

[@rowanballinger3690]

I am the opposite I find mechanical engineering so confusing and amazed how you make gears and leavers work especially when small and complex. But I look at electrical thing I get it. I’m a plumber but love electronics, but struggle with mechanical stuff. I think we all just have our brains wired a certain way

[@jimmy_jamesjams_a_lot4171]

Me too, until I stumbled upon a woodworker who’s channel is called JSK projects, I’ve been learning so so many mechanical design points ever since.

[@Iamanidiot-v6i]

You can’t learn both?

[@rickhunt3183]

A lot of EE's wish they could do your type of work too. You bring ideas to life. We just add the sensors and actuators. We can't draw anything but a schematic, and we're always using templates if we're going old school, however it's common for us to draw free hand on a napkin. Thats often done over a beer or two or six or twelve.

[@Steve-f7t]

Ham radio people, pay attention

[@Derlis_Jara]

Don't stop doing this type of videos.

[@electrarc240]

Don't worry I am not going anywhere! (I hope)

[@jvanweeghel]

I agree. I am taking electronics as part of my electrician training and you explained it better than my instructor.

[@JeffGeerling]

You've somehow made power supply design less of a "voodoo magic" and just "dark arts". I'm subscribed and can't wait to see what other explainers you can illustrate so clearly!

[@electrarc240]

Wow, thanks a lot Jeff!

[@PhaTs00p]

Ok, now I know why I suddenly got this channel recommended

[@evanmayer744]

Holy cow, so this is what they mean by "KZbin University"! Please keep making videos like this! Your ability to explain complex topics through the lens of real-world practicality is extraordinary. Not one concept in this video feels arbitrary, and that's a massive achievement given the topic at hand - so refreshing!

[@eitantal726]

These are complementary. You should still go to University if you can, and still watch those videos if you do.

[@Gersberms]

Beautiful. "Voltage times current is power, so why isn't it power?" is such a fundamental question for people to learn.

[@paulchamberlain7942]

Especially in these times of pushing 'smart' meters right?

[@jespersoerensen8552]

I have taken courses in feedback control and power electronics, but I never fully appreciated the awesomeness of these open and closed-loop regulators until now. Thanks for sharing!

[@electrarc240]

Yeah that closed loop was so perfect I was smiling the rest of the day :D

[@anexoworkshop]

You do go the extra length teaching electronics, and I highly appreciate that. As mentioned below, the individual PCBs move was genius, please keep'em coming. Kudos from Brazil.

[@electrarc240]

Thank you very much! Will do 😉

[@Alchemetica]

A first-class demonstration of a linear power supply. By explaining the function of components and why using them achieves an efficient and constant DC output. Plus their relationship to the complete circuit diagram. Thank you for the video.

[@lucabarbolovici4974]

Awhh no goodnight :(

[@Wil_Bloodworth]

Your videos could not be more perfect! They’re extraordinary! The Lego-style explanations are brilliant. Side note: it would have been really nice to have mentioned possibly needing in inrush current limiter to prevent smoking the rectifier diodes when your smoothing capacitor gets “too big”. So looking forward to more of your content! Keep up the great work.

[@electrarc240]

Yes that's a good one I didn't think of! Thanks :)

[@paulchamberlain7942]

Speaking of Lego style, mad props to China for making a Lego brick out of every conceivable electronic functional unit in a way the West never provided and possibly never would have provided, to keep people as foolable as possible. (Like it does with news and other information)

[@Lightning_Mike]

@@paulchamberlain7942 Dude, I have German power blocks to build your own SMPSs at my university. China is just cheaper.

[@LudoTitan4]

This video is revealing the secret of any kind of power supply in every device. This is a gem of Basics of electronics.

[@olhoTron]

17:07 *FULL BRIDGE RECTIFIER*

[@marekmarecki7065]

this should be a meme for engineering

[@montalbert]

​@@marekmarecki7065 it is already

[@eduardoalcantarajr3668]

blame this on ELECTROBOOM, LOL

[@sanbell6951]

This is the most underrated and wonderfully done video on the internet.

[@Matey-850cc]

Excellent introduction for the beginner. Thank you for not overwhelming new students with all the peripherals that go along with more the complex power supply. Perfect!

[@electrarc240]

Thank you very much!! It is sometimes a hard balance to strike

[@freednighthawk]

Yes, a power supply series should be a thing ,hopefully with a video on boost/buck converters.

[@electrarc240]

Coming soon (possibly next video). I already have what I hope is a really nice way to explain the three fundamental converter topologies. But I am busy with work and have a long term project I need to work on so may be a month or two I'm afraid.

[@abid583ind]

15 years after I my electronics engineering, today I very clearly understood the 3 point output is just a feature but also a hack to reduce the diode forward drop loss...... Absolutely fantastic explanation

[@luisalves9738]

Wow, we must protect this channel at all costs!

[@yevgennegvey4021]

If i'm electrical engineer with 6 years of experience and i still learned something new from this video, does it mean that im bad or is it just that this video is so amazing?

[@Nipc855]

You have brought electronics to the grass root. Thanks a million

[@Soho9111]

As an Electrical engineer myself, I admire your work, good job mate

[@ae6850]

I can’t leave your site without expressing my appreciation to your thoughtful efforts and brilliance in explaining technical matters.

[@bennetting1609]

Another brilliant video, hoping this entry of the 'Every Component of a ...' does as well as your last!

[@electrarc240]

So am I hehe

[@moss-ccw7971]

If you're a beginner or have been around a while, (and need a refresher ) this is the best explanation of a linear power supply that I've ever seen or heard. I'll be sending traffic to your channel.

[@SimonHein-s5n]

This had got to be one of the most fun and interesting way to demonstrate how a linear power supply works.

[@c1ph3rpunk]

The relationship between primary and secondary voltages in a transformer is certainly more than meets the eye. Thank you, thank you, I’ll be here all night. As smooth as his rizz. 😂😂

[@electrarc240]

😏

[@todorkolev7565]

WOW! I am a 40 year old studying electricity/electronics for the magic that it is. I am not ready to talk about transformers yet (still studying what is actually Flux) but this video gives me something to look forward to! I would like to play with power electronics but probably do miniature learning circuits, using human-safe batteries, not mains, to create a "demo AC" and then I am thinking I'd wind my own transformers to experiment and truly understand the effects (as far as we can understand them). Thank you so much - and if you are doing live courses (in person or streaming), I would happily enroll if the price is right :)

[@drinkintea1572]

SMPS: IM FAST AF BOY LPS: transformor

[@TheMasonX23]

Incredible video! I've learned everything I know about software and hardware from KZbin, and this is definitely among the best examples of what educational content on the platform should strive to be. Keep making cool stuff and putting it on the internet, you're changing lives man! Also, was not expecting the "as smooth as my rizz" line, but as an out of touch dad who enjoys embarrassing my daughter, I loved this!

[@electrarc240]

It just came out unplanned haha. Maybe if I say it enough it will be true!

[@MuhammadSalman-gv6mx]

Thank you so much. I spent 4 years in university and wasted, but with a comprehensive video ❤ Subscribed your channel.

[@powerupminion]

Hi, an electrician here. The reason why some fuses have sand in them and some do not is because of what we call "rupture current". A fuse "blows" over a certain amperage, but litteraly "ruptures" or "explodes" at a far higher amperage. The basic theory is that you need higher and higher rupture-current components, the closer you get to the power source. Sand-filled fuses are usually designed to have a far higher rupture-current than an air-filled ones. If you wanna know more, read into "short-circuit current theory". 😉

[@FlammableElectronics]

This guy needs more views fr, the best video explaining these in detail of every single minute thing i have watched! Hats off man

[@micahsquires5312]

This is a phenomenal video. Your breakdown and explanation of the components and principles along with the visuals is so, so good. This was my first video, but you’ve definitely earned a subscriber. I wish there had been explanations this good 35 years ago when I was trying to get an EE degree.

[@peerlessrecords6236]

this is youtube at it's best! randomly stumbled upon this video and even though i'm +20y in the business I found this modular system very cool and probably very easy to understand for beginners. Choosing the right video-thumbnail definitely adds up. Keep it going! watched til the end. You're an amazing teacher, I couldn't teach like that. Respect!

[@danzydan2479]

Took me back some 30 years ago when I was in trade school learning basic electronics. Good content.

[@theantipope4354]

SO nostalgic! I was building & designing linear PSUs as a teen, starting back in the early 80s. I built SO MANY 5V/5A PSUs for bareboard Ohio Scientific Superboards, which were about the cheapest 6502 based systems you could buy at the time.

[@Gregorius421]

This is how physics classes should be conducted. Very educational.

[@hangdog242]

This is a perfect way of teaching. I appreciate the time, thought and effort you put into making this video. Please continue the great work. Thank you very much.

[@paulchamberlain7942]

Brilliant, this video *is* the difference between the primary motivation being to educate the viewer, and the primary motivation being to impress the viewer. I always ask the question of a video, is this guy just showing off, or is he 'spilling the beans' ? This is bean spilling at it's very finest, fantastic! Therefore, many thanks, much appreciated, and in addition, you have made the world a better place :)

[@franciscorios7374]

Thanks!

[@Michel-nb7ob]

The best explanation ever ! Thank's so much ! I want more !

[@muhammadaleemadil]

you deserve an award for this demonstration. Exceptional video, thanks.

[@NekoSennin]

I loved the plug and play components and how the linear power supply is built in stages. Keep up the good work!

[@electrarc240]

Thanks! More to come ;)

[@wirapui]

never watch someone explain so completely before, but you

[@averagegigachad795]

Very well done and easy to follow video, it will help many people

[@electrarc240]

Thank you!

[@naveentechs]

This is simply amazing, could you do the same for switch mode power supply please, I know you already made a video on it but this method of building in real time and explaining is simply unmatched, once again thank you so much for make quality content like this.❤

[@electrarc240]

It is much harder to do something like this for a switching converter because they are much more sensitive to the parasitic that are introduced in the connections. But I will be doing things like this again

[@JeanArenas-d6c]

You are a skilled instructor and the quality of explanation, with step-by-step demonstration, is top notch. Thanks for your content.

[@nav1448]

Am a 2nd year electronics engr student, this was our first technical project and am currently designing and building one. Your video helped a lot, thankyou very much!

[@electrarc240]

Glad to hear, good luck with studies!

[@kebugcheck]

Beautifully done.

[@sharkbaitsurfer]

One of the best teachers on youtube and being an excellent teacher is the highest accolade I can bestow because my teachers have been pivotally important, and positive influences throughout my entire life. SUBSCRIBED!

[@thomasherbig]

Absolutely amazing explanation! I have built power supplies before, but have never seen such a clean explanation. Kudos! You have earned another subscriber

[@vipulsawant2]

I studied linear rectifiers almost 23 years ago, this is exactly how i was taught in my polytechnic. Nicely explained without any complicated math involved, outstanding video!

[@KJFMZ]

Where were you a year ago when I was trying to piece this info together for myself? Seriously, these videos are amazing and will absolutely be a boon to the next generation of EEs. Kudos.

[@dr_quantum1012]

Studying electrical engineering and power electronics are my passion. Unfortunately that focus is only offered in final year so I’m here to get my fix! Amazing video, never stop!

[@electrarc240]

Ahh love to hear it! And that is annoying, hopefully I can help and maybe you can do your own power electronics projects if you have time!

[@LyonsDenFarm]

Years of interest in the field just to finally understand circuits are basically jumbled in a non linear compact cluster or they get put in a straight line to actually make arithmetic sense. Where has this been my entire college education. This put half of my studies into one episode and actually made enough sense.

[@billiesmalls]

I love your way of explaining this and especially breaking down the components into their own discrete module and plugin them in as you go. Keep it up mate.

[@johncitizen3361]

Fantastic tutorial on linear power supplies. I grew up when almost every appliance used a linear supply with discrete through hole components, there was even still a fair bit of vacuum tube tech kicking around in the eighties. It made things pretty easy to understand and work on, although you had to be careful working on things like CRTs while powered up so if you were serious about poking around in stuff an isolation transformer was often the second project you built after a linear bench supply to reduce the risks a little.

[@rickyrodriguez4037]

This video is really great. The use of physical modules and the analysis of each stage as we build the power supply out helps with understanding greatly. I know you already did the seitch mode power supply video which is also good, but i would love to see that video done again in this style. This way is so clear and tactile.

[@electrarc240]

I’m not sure it can be done because of the parasitics of the connectors, and I don’t want to cover something twice. But I will definitely do this style for anything similar in the future!

[@adrianrawlings2470]

Congratulations, you have done a brilliant job in all regards. Your explanations are technically sufficient without being overwhelming. The design of your components provides a visually appealing demonstration without the clutter of a breadboard.

[@electrarc240]

Thanks! I agree, breadboards are great for prototyping and are understandable if you’re the person who build the circuit but trying to work out someone else’s circuit on a breadboard is so painful lol

[@SleepySoulMan]

This is exactly the type of content I need to get back into electronics!

[@OpOlHead]

This type of modular approach is fantastic. I’ve been at this for a little under 2 years and am glad to have found your channel.

[@butwhytho6522]

Nicely explained and shown. I appreciated that you highlighted the parts of the circuit diagram that you were simultaneously indicating.

[@MOABI48]

the best illustration ever. especially in the end with the circuit diagram.

[@stevejelly2782]

man i feel so good when youtube suggests random vids like this, keep up buddy

[@Splarkszter]

Woah. I love this format!!!!!!!!!! Please do more. It helps soooo much to learn when it's broken down like this.

[@tushar8133]

I could not have gained this detailed knowledge in my next 10 years, what you have shared with the world now ❤

[@t33th4n]

I have given "great" and "nice" reviews on other describing videos, but THIS. Masterpiece.

[@luckyzeyan5391]

Ur such a good teacher..... im into electronics repair this days and u have cleared my doubts thoroughly on power supply ❤

[@Derlis_Jara]

Beautiful... I'm so happy I found your channel.

[@sweetlilmre]

Just getting into trying to figure out how to repair power supplies. Your content is brilliant, thank you!

[@Sidelobes]

Great explanation and demonstration! ❤ I wish I had had access to content like this when I studied EE 20 years ago!

[@rades9887]

One of the best education videos you make. Every honor!

[@ProJektorish]

Everytime I watch this, I learn something new.

[@FlippinFunFlips]

I've been slowly getting g the urge to get back into Electronics, and finding your channel has definitely sealed that deal. Winter projects coming up!

[@electrarc240]

Amazing!

[@soulshinobi]

Incredibly informative with the step-by-step of what problem each component is solving.

[@csconnor5160]

I was pleasantly surprised by how easily you explained transformers. In both my Physics 2 and linear electric circuits courses the information I retained about transformers is v2/v1 = n2/n1 and v2/m = v1/L. Thanks for the refresher!

[@dan7212]

Love your videos. Very informative and easy to learn. Thank you for explaining the importance of power supply isolation.

[@icefire5555]

I love how the circuits are broken out into each component to make it easier to understand!

[@jj74qformerlyjailbreak3]

By far your best Video ive seen yet. All of them i learn something useful. Or it fills in a gap ive missed along the way from other channels. Ive git a new FAV now. YOU.

[@ArieAGinting]

a video that even someone who doesn't study electronics can understand... you deserve a lot of Subs!!

[@rastyisanerd3686]

This is such a high quality video! Very informative and compact, explained everything without wasting time. Please keep making videos!

[@rickhunt3183]

This is really a well thought out and delivered presentation. Most EE's in the US couldn't do this unless they are an instructor. We're taught that English is good but engineering is gooder.

[@pboston6RR]

Excellent! I’m self taught in electronics and have been using voltage regulators for years with my Arduino work. Now I understand what makes it “tick”. Thanks a LOT!

[@AlexB-yx5no]

Great video! I love the break down of the circuit, component by component, makes it very easy to understand, this deserves a sub :)

[@petestamm5996]

Simply brilliant, one of the best and most interesting videos I have ever seen. Hope you continue adding more to help everyone, but especially those like me who struggle to understand the mysterious world o electronics. Many thanks.

[@claysred]

Dumb question.................on the schematic at 33:18, why does the ac circuit before secondary transformer not short circuit and burn up? If you take your ac plug in your house and connect a fuse and jumper wire between the ac side and neutral, it will immediately burn the fuse. Why not here? Thanks for the wonderful video!

[@electrarc240]

Love this question! I spent years wandering this. It's because of the inductance, so even though the primary of the transformer has a resistance of only a few ohms, the inductance limits how fast the current can change so it can never reach excessive levels because the AC input means it is constantly increasing and decreasing. If you connected a DC supply at the same voltage the transformer would last probably less than a second! Hope that helps!

[@VDOless]

Great question

[@VDOless]

​@@electrarc240thanks for clearing this up

[@vipulsawant2]

Thanks

[@KiplangatNathan]

first video to watch and I would forever be here with you.Kiplangat Nathan ,mechanical Engineer Kenya

[@mkepler5861]

thank you for teaching me about the closed loop regulator, I had never heard of it thanks!!!

[@MrCrankyface]

These explanation videos are absolutely amazing, thank you for sharing!

[@xFlow150]

Excellent video! I enjoyed the way you explained every component and its function in the circuit. I also appreciate that you show schematics of your circuits, because sometimes that is forgotten. One thing that you might be able to do an indepth video about is how to choose a transformer. I've always found it complicated due to real and reactive power and how it impacts the way the transformer handles itself in a circuit.

[@electrarc240]

Yes I was considering separating the transformer explanation into its own video because of the complexity, and there is certainly still plenty to go over with them. So maybe I will do that at some point

[@beaudjangles]

Fantastic refresher for this industrial electrical engineer. I seem to remember that the current before the capacitor being very choppy as conduction only occurs briefly at the very peak of the recrified wave. I think you touched on it. I’d like to learn more about this and how we negate it.

[@electrarc240]

Coming soon!!

[@Abdo_Elawady]

as an electrical engineering student thank you so much you are a legend ❣

[@sstone2134]

These videos remind me about how my late grandpa told me about basics of how electronics work when I was little! We used to desolder all components from old & broken home appliances with a monstrous USSR made soldering iron together, RIP old man...

[@greganikin7003]

Thank you for this incredible video! This is amazing yet so simple to understand! Now i know why i have components in power amp in such order and what is going on in that chain when it’s on. Incredible job to make people little bit more educated!

[@ClintSatterwhite]

Friggin amazing explanation! Thank you so much for this series of videos. As someone that has dabbled with electronics for years, I have a much better understanding now. Also, I about fell out with the "as smooth as my rizz". Awesome! :D

[@electrarc240]

Haha glad to hear!

[@jong5597]

Your channel is blowing up and deservedly so. Excellent content. I look forward to your future videos

[@electrarc240]

It's crazy I can hardly believe it! Thanks a lot :)

[@insanelydigitalvids]

What a wonderfully clear and interesting video. Please do more of these 'component-by-component' views. Excellent!

[@AntManBee19]

I’m in my seventies. I worked in IT and although I fixed many old computers often at the board level I never really understood what the components were doing electrical. Probably not the safest but.. so your explanations are nice - oh if only KZbin was around back then

[@sampalmer1041]

Very impressed with your videos - you were born to teach….keep up the good work.👏👏👏👏

[@brightonsikarskie8372]

Thank you so much, I have been waiting for this for so long!!!! You are so good at explaining things!

[@jasper5712]

You are a great educator,be blessed ,from africa the dark continent