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Starter Guide to BJT Transistors (ElectroBOOM101 - 011)
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By: Mehdi Sadaghdar
@ElectroBOOM Жыл бұрын
And while we are at it, GO IRANIAN PEOPLE GO! Best of luck in your efforts to take your rights and your lives back! #MahsaAmini
@mehdikho Жыл бұрын
مهتی کارت درسته
@birgenair301 Жыл бұрын
Yes
@enterprisesoftwarearchitect Жыл бұрын
King of pop ha ha ha! I love transistors Electroboom!
@mickeyfilmer5551 Жыл бұрын
Absolutely. Those women are so Brave. This is the 21st Century- not the 5th. Good for them.
@PetraKann Жыл бұрын
Rights?
@SultanGamer124_GD Жыл бұрын
I subscribed to electroBoom to see him blow things up but now I’m actually learning something from him.
@playingweirdo4720 Жыл бұрын
Ikr!! I felt the same.. tbh I'm binge watching Electroboom videos nowadays
@Jamie-st6of Жыл бұрын
you've been learning the whole time! the explosions are a disguise for knowledge
@dogs-and-destruction-channel Жыл бұрын
The explosions are all part of the learning process, it teaches you what NOT to do or how to make fireworks with electricity lol😆.
@EvanShechter Жыл бұрын
That needs to be on a shirt
@rumpleforeskin1812 Жыл бұрын
I know I’m starting to panic a little I’m becoming smart
@rpfour4 Жыл бұрын
This is a better lesson than I got back in my EE class in the 90s. I learned more in 10 min with Mehdi than an entire semester of hearing about the "glory days" of the professor I had.
@BariumCobaltNitrog3n Жыл бұрын
Yes he's very good at explaining things to slow learners so they walk away feeling like they learned something. But tomorrow...
@thewhitedragon4184 Жыл бұрын
Honestly I don't see it. He cut out a lot of information in the video to make it shorter but at the same time he kinda explained transistors as a switch but jump to making amps which drive transistors differently
@lwo7736 10 ай бұрын
I bet, your teacher once told you a 20 minute story about his life to try and relate to the class, and you spent the rest of this "entire semester" messing around, ignoring the teacher and just generally being a useless learner. So to save yourself the feeling of regret, you've concocted this "glory days" story to make yourself feel better. It's the same with all of these "I wish my teacher in school was like this guy" comments on every single science influencer video out there.
@rpfour4 10 ай бұрын
@@lwo7736 Messing around? This isn't high school. Who the hell wastes money at a university?
@tunkunrunk 9 ай бұрын
you learned in less than 10 min because of your EE class back in the 90's . if you were a beginner you wouldn't had understood that fast with Medhi
@stardust857 Жыл бұрын
EE undergrad here, thanks for all of your videos, it's really helpful for understanding the concepts in deep.
@agalah408 Жыл бұрын
I'm not sure Mehdi should be teaching transistor theory. I think he's biased.
@hyphen1210 3 ай бұрын
underrated
@agalah408 3 ай бұрын
@@hyphen1210 Yay, thank you :)
@bluekindasustho3370 2 ай бұрын
I expected many thousands likes. Many People properly didn't get the joke Underated AF
@Arjuna_insync Ай бұрын
@@hyphen1210 lol 😜
@avijatsinharoy8944 23 күн бұрын
I think he's just a beta male
@trapper1211 Жыл бұрын
the whole 2:09 section was genius, I love it The simplified graphics have always been very confusing to me, only onceI saw the real cross section of a transistor I finally understood how they work
@sudocheese Жыл бұрын
I was totally panicing at first.
@robinsparrow1618 Жыл бұрын
you remembered? >:0
@CD4017BE Жыл бұрын
The simplified transistor schematics makes more sense if you view the two back to back diodes as optically coupled LEDs / photo-diodes. So every every electron that crosses the Base-Emitter diode emits a photon. These photons travel over to the Base-Emitter diode to get absorbed and each allow one electron to cross its PN-junction as reverse current. If you take this model, then the current amplification factor of the transistor inversely depends on the percentage of photons that get lost during the process (about 0.5% for a typical hfe of 200).
@NathanSweet Жыл бұрын
@@CD4017BE "These photons travel over to the Base-Emitter" did you mean Base-Collector in this sentence?
@lennonmclean Жыл бұрын
DONT LOOK AT THE CROSS SECTION
@MitchellClark Жыл бұрын
This comes at the perfect time. My electronics class is going over these in a few weeks. Thanks Mehdi!
@abdullahalmasri612 Жыл бұрын
bad timing for me as i just finished my electronics and electronics lab haha, at least i have a good overview now
@spectra5029 Жыл бұрын
It was also not the best time, I just had my electronics exam xD
@veselinmanev8895 Жыл бұрын
Who has BJT's at uni anymore?
@arwlyx Жыл бұрын
Same, we're on FETs now c:
@matthewduphily5129 Жыл бұрын
I started them the day he posted this, so this is perfect
@KirbzYyY Жыл бұрын
After failing my analogue circuits class (which is BJTs, MOSFETs, OP amps and filters), this 14min video explained BJT better to me than the prof did. I knew beforehand how to calculate the base and collector current, and all the other things we needed, but I now *understand* a lot more.
@iFATE91 Жыл бұрын
I'm curious what type of transistors are these? Common base/collector/emitter
@Inquisite1031 9 ай бұрын
that's what happens when u are more of a visual learner, college professors often rely too much on maths and text, and not show diagrams too much to help students visualize things, and they can be hard to follow I still remember my class on Multi Variable Calculus where my friends struggled so hard to visualize the functions and the partial derivatives, when a a simple graph plotted using a computer would have fixed that problem easily.
@dennismunyaka6537 8 ай бұрын
@@Inquisite1031 haha yes watching this has helped me to. its currently 7:00 am and I have an exam on this topic at 2:00 pm. will updateafter exam. but it did indeed help understand how it works.
@masonhammers9497 Жыл бұрын
Currently in a coarse largely focused on MOSFETs and it was just lovely learning that the BJT's equivalent of a MOSFET's saturation region is called it's active region. Then to double down on the confusion, they called the linear/triode region of a MOSFET a BJT's saturation region. Ahhh I love electrical engineering.
@kensmith5694 Жыл бұрын
IGBTs make it even more confusing. Isolated Gate Bipolar Transistors are really like a MOSFET driving a bipolar of the opposite gender. They, however tend not to be labeled that way.
@agalah408 Жыл бұрын
Sounds like it was a coarse course.
@beewyka819 Жыл бұрын
god that was a headache when i first learned about this shit
@Zaros262 Жыл бұрын
Lol yeah. Personally, I think it's always clear to refer to the triode/saturation region as "linear" for both types and say "saturation"/"active" for FET/BJT Context helps a lot, though. Not sure I've ever encountered a situation where the term "saturation" actually caused ambiguity
@monad_tcp Жыл бұрын
hum, so that's why my mosfet exploded when I tried to use it as a BJT the other day, lol
@Thatoneperson1977 Жыл бұрын
This video couldn't be timed more perfectly! I have an exam on transistors coming up in a week. Thank you so so much you make everything so much easier
@berniefranks4876 Жыл бұрын
I have never been so fascinated with a subject I knew nothing about. I wish I had a teacher like you when I was young Thank you!!
@erinc1376 Жыл бұрын
I want to thank you because your videos are what peaked my interest in all things electrical, and now I’m pursuing a successful career as an electrician and I’m the happiest I’ve ever been
@stargazer7644 Жыл бұрын
It piqued your interest. Protect your back and don't electrocute yourself.
@unclesam6168 Жыл бұрын
Awesome vid Mehdi, please never be discouraged by lower view counts on your more educational videos as they are so high quality, and the view count should not matter to you as you are clearly so passionate about educating people about electronics in your own deranged way :P
@uvtube2008 Жыл бұрын
To true Electrical engineers, his videos are like music from heaven. I regularly recommend his videos to practicing engineers and technicians to get things done much better than they would otherwise.
@AmoghA Жыл бұрын
Whenever Mehdi mentions a capacitor, I know there is going to be an explosion.
@that1electrician Жыл бұрын
That's what we're all here for isn't it?
@jurijavsenak Жыл бұрын
😝
@flaps805 Жыл бұрын
Pronounced 'meat d eye'
@official-obama Жыл бұрын
@@flaps805 no
@playingweirdo4720 Жыл бұрын
But this video has no explosions🥺
@elliethebat4761 Жыл бұрын
as an electrical engineer, its fun watching you explain this stuff in a different way to how I learned it
@jonlukewest4633 Жыл бұрын
This is exactly the BJT overview I needed. Thank you
@LordHonkInc Жыл бұрын
Honestly, yes, this series (along with your other videos) has helped me tremendously in getting comfortable with small-scale electronics repairs. I'm still comfortably scared of high voltage stuff, but yeah, you've saved a lot of remotes, loudspeakers and the like from getting thrown out when it was easy to fix them; even hand-soldered my own keyboard after finally understanding how diodes work. So thank you a ton for all this free knowledge :)
@Soloist1983 Жыл бұрын
This made a ton of sense! Oddly, I now see the similarities between how vacuum tubes and transistors work
@PetraKann Жыл бұрын
Fleming patented the thermionic diode, the first practical vacuum tube electronic device, in Britain in 1904.
@triffid0hunter Жыл бұрын
@@PetraKann And Lilienfeld patented (US 1745175) the field effect transistor in 1925 - funny to think there's barely 20 years between the invention of the vacuum tube and the transistor!
@Soloist1983 Жыл бұрын
@@triffid0hunter Wow, and it took us that long to adopt transistors?
@ShaunieDale Жыл бұрын
@@Soloist1983 not that long to adopt, Just that long to make them work!
@SomeDudeInBaltimore Жыл бұрын
@@Soloist1983 Just because the idea was patented doesn't mean there was a working one yet. They knew the potential of semiconductors from theories, but they spent that long making silicon and germanium sandwiches in a thousand different ways until the guys at Bell Labs finally did it. Kinda like how we know fusion works but don't have a commercial fusion power plant yet.
@mikewillmitch3579 Жыл бұрын
I just want to thank you for making these. It's been 11 years since I got my EE degree and these are nice refreshers.
@idko5452 Жыл бұрын
I'm working with electronics like 16 years and nobody, like nobody (school, forums and old repair men) did that great job explaning it in this detail to understand it properly like You, from this video everybody should understand fundamentals of transistors, amazing video great job Mhedi 💪
@6754bettkitty Жыл бұрын
0:10 Capacitor: the king of "pop" 🤣
@prvashisht Жыл бұрын
OMG! How did you read my mind?? I just started looking for videos to understand BJTs and MOSFETs today and here you are! Thank you so much for this.
@joelsmith5624 Жыл бұрын
Mehdi! You explained this better than any of my Engineering professors throughout me entire degree. I appreciate the refresher 🙌🏻
@AndrienQ Жыл бұрын
I've been playing guitar for over 20 years, and this is got into amp design that I'd never dreamed of; amazing video!
@F900_Gaming Жыл бұрын
Mehdi, I was your your 962nd subscriber, I have never left you or your videos, they've educated me so much and I thank you for that 👍
@jedithusnbixby2108 Жыл бұрын
When this account was made a year ago...
@digitalchaos1980 Жыл бұрын
@@jedithusnbixby2108 I'd wager they probably meant 962,000th subscriber. Sounds more plausible.
@F900_Gaming Жыл бұрын
@@jedithusnbixby2108 Bro, not on this account, I have a main account that was the 962nd subscriber of electroboom. Sorry for any misunderstanding
@davec8385 Жыл бұрын
These videos continue to be fantastic for concisely teaching electrical circuits! Thank you for making them, I hope you have a fantastic rest of your day
@bleach_drink_me Жыл бұрын
I learned about these when i started to tinker with car amp repair years ago. I spent so many hours reading about transistors and researching how class A/B and D amps work.
@johnslugger Жыл бұрын
*Please show how to use an IGBT for high amperage power switching like BIG Battery to AC power inverters.*
@TheSoldercreeper Жыл бұрын
I wish I had both the diodes and transistors videos back then at my fourh semester. Would've helped me a lot
@cosmefulanito5933 Жыл бұрын
Brilliant 10 minute video that explains the basics. Excellently explained. Congratulations. I would have loved to have you as a teacher at school.
@alessandrobaca8124 Жыл бұрын
I really liked it! Please continue, i would appreaciate a series about audio amplifiers. I would like to try out different circuit architectures on various levels of complexity. Awesome channel, as always. Let's also throw in MOSFETs and IGBTs.
@GeekRedux Жыл бұрын
A better explanation of basic meanings and functions in 14 minutes than I got in 3 lectures of my EE program.
@davefaust7317 Жыл бұрын
I earned an electronic engineering degree in '96 but the section on transistors was taught by a guy who was unfortunately on his way out so none of us in that particular class quite got it. This has been the best explanation I've heard since.
@Gideon_Judges6 Жыл бұрын
I appreciate the green screen work with the whiteboard. It was very cool production!
@lurkersmith810 Жыл бұрын
When I went to school in the 1970s they were still teaching vacuum tubes, and maybe giving one hour per semester of "lip service" about transistors, which consisted of a snooze worthy film about electrons and holes with no explanation of how transistors worked in circuits. (They were a couple of decades behind in technology, and what I learned only helped my old age hobby of collecting and fixing old tube radios.) Thanks for helping us old geezers (re)learn about transistors!
@robertjanbout1437 Жыл бұрын
I know enough about Metal Oxide Semiconductor Field Effect Transistors, but this video was pretty interesting and full of explaination about unclear parts of the oldskool transistor
@bupi. 9 ай бұрын
Petition to continue this Electroboom101 series.
@khushvendrabissa2031 Жыл бұрын
The diode equivalent of the NPN transistor at 1:52 is incorrect I guess.... The bottom diode should be reversed to bring the n side down and to make it "NPN" BTW nice video as always sir Mehdi ☺
@user-yb4ok1xd1p 10 ай бұрын
finally a proof that i was not alone
@danek_hren 2 ай бұрын
Yep, you're right
@UnicornAdvisory Жыл бұрын
Thanks brother. Always putting out the best content since I found you in 2017. Cheers from Canada
@shaunahn5730 Жыл бұрын
Thank you from Korea As a normal university student this video just helps out so much! i am really shocked at how you can explain everything so simply . you make it so easy
@BayEmirkiYT Жыл бұрын
I'm waiting for "how mosfet works"...
@catalintimofti1117 2 ай бұрын
That works off my tears because i have to learn how it works
@davidpanic Жыл бұрын
That was a very good explanation, good job Mehdi!
@iamboredfor2months Жыл бұрын
THE VIDEO JUST RELEASED-
@varshithgamer90 Жыл бұрын
How the fuck
@agl0d16 Жыл бұрын
Wait hol up-is this cuz of patreon?
@pyroteamfrankenjunior Жыл бұрын
@@iamboredfor2months yes and the comment is a day old
@your_average_cultured_dude Жыл бұрын
@@iamboredfor2months maybe the patreon supporters get a link to the unlisted video a day earlier than everyone else
@halvorhansen Жыл бұрын
This is super relevant to my studies right now. Thank you for these great videos
@brandonfurtado380 Жыл бұрын
Back when I was in school I would find it so difficult to undertsand concepts u explained but enjoyed ur videos so Id keep watching....now that im in uni I do understand quite alot of what u talk about in ur videos.. tbh a 1 hr class or 1 hr of reading doesnt help as much as your video helps understanding ...love the content simple and straight to the point with some fun
@aditya.21 Жыл бұрын
Hey Mehdi ! Love your videos and your style of explaining things
@markcarneiro 3 ай бұрын
watched this full video. only remembered the micheal jackson part😆
@tylerstephenson8886 Жыл бұрын
God do I freaking love Electroboom. The dude makes electronics so approachable and fun.
@jebkermen6087 2 ай бұрын
I would love the 101 series to continue.
@bmo14lax Жыл бұрын
Thank you for teaching electronics to everyone!
@devilette Жыл бұрын
Wow this couldn't have come at a better time! I'm currently being held at gunpoint being forced to describe the operation of BJT transistors! Thanks Mehdi!
@pennamebic5262 Жыл бұрын
I recommend engineering students see your videos before they study transistors. Your explanations gives the students a real intuitive feel for the physics. The detailed semiconductor physics and mathematics I studied were actually quite abstract and honestly after years as an engineer were not as useful as your excellent examples. The minute differences in transistor fabrication and models is best learned after your introductions. Your doing a great job.
@Katia413 4 ай бұрын
Mehdi, your videos have been the key to helping me understanding concepts I thought I would never wrap my head around. It has unlocked so many doors on my career path as a controls engineer. I’m now delving into electronics and embedded systems, and I couldn’t be more excited! Thank you x1000 for your work on this platform, providing such a witty and engaging approach to what is normally very dry learning. You rule!
@xTerminatorAndy Жыл бұрын
Well done Mehdi. if a bjt is like 2 diodes, can you make a FULL BRIDGE RECTIFIER with BJT's if you don't have a bridge or diodes handy?
@ElectroBOOM Жыл бұрын
Hehe! Interesting thought! They are not exactly equivalent in behavior, maybe I should try it. I would need to pair an npn and a pnp
@JustPyroYT Жыл бұрын
@@ElectroBOOM i would like to see that! :D
@jhoughjr1 Жыл бұрын
@@ElectroBOOM the question is will it be an amplifier or an oscillator? Transistors like tow be fluid like that the more of them there are
@windowsxpmemesandstufflol Жыл бұрын
@@ElectroBOOM ooo
@subhadepdas Жыл бұрын
@@ElectroBOOM sir please make an video on freewheeling diode
@Indrakusuma_a Жыл бұрын
Wait, you can use a speaker as a microphone? o.0 After all these years following this channel, I still don't understand a thing about electricity, yet I just keep coming back even rewatching the whole videos. But hey, at least I remember a name or two related electricity now ;D
@hugoromeyn4582 Жыл бұрын
Yes. And you can use a microphone as a tiny speaker. Just like you can use a motor as a dynamo. Does it work perfectly? No, but it works.
@FinalMyle Жыл бұрын
Capacitors are the king of, "pop". I applauded you, sir. In fact, you get a standing ovation.
@stuffthings9618 Жыл бұрын
"That cross section cant hurt you" Thanks I needed this.
@fliper975 Жыл бұрын
I've already watched this 3 times. No matter how many times my tiny brain gets an explanation on transistors I still think it's just magic.
@tlatitude8586 Жыл бұрын
I slowed it down to .75 speed for a viewing and also recreated the drawings. I think it is helping a lot with the understanding, but I haven't finished yet.
@fliper975 Жыл бұрын
@@tlatitude8586 I understand what they do, and how to use them. I just don't (fully) understand HOW they actually work. That diagram he threw up was actually something I haven't ever seen and made the internal layout make more sense
@fliper975 Жыл бұрын
@@tlatitude8586 the understanding will come for both of us at some point. This is a great video
@vinevicious Жыл бұрын
@@fliper975 to really understand that you need to study solid state (and for that you need to know quantum mechanics)
@DeShark88 Жыл бұрын
@@vinevicious I'm not sure quantum mechanics is strictly a requirement. It helps explain what a band gap is and some stuff about majority/minority charge carriers, but really no-one is solving Schrödinger equations (or more accurately quantum electrodynamics vector field equations) for this stuff. It generally boils down to classic electrostatics for the most part.
@theFLCLguy Жыл бұрын
I'm so thankful that Mehdi was there to protect us from the cross section. That was close, I almost looked at it.
@martin.winkelhofer Жыл бұрын
ONE OF THE BEST "human" explanations of BJTs out there (from electrical engineering point of view). In around 10 minutes. Hats off. Need to pause to slow down the tempo, to use it to explain it to somebody else, but that's the style of videos we love so much about you, @ElectroBOOM. Stay the way you are! .. ello ello ommbrrello :)
@stargazer7644 Жыл бұрын
I'm curious what other point of view BJTs might be explained from besides electrical engineering?
@martin.winkelhofer Жыл бұрын
@@stargazer7644 that would be the atomic / quantum mechanic level - what's happening at the PN junction and why it works the way it works (Veritasium has a nice one)
@ruthstimetodraw8008 Жыл бұрын
me irl:*takes pencil and a notebook with a hard cover and starts writing down whatever he writes on the whiteboard*
@PlasmaChannel Жыл бұрын
Haha oh lordy, i've never been so willing to be slapped. Good video Mehdi!
@mrknownvalue1882 Жыл бұрын
I want to study electrical engineering in UG , Sir your videos are really helpfull 🙏🏻
@lostguy362 Жыл бұрын
Jee ?
@nDarien Жыл бұрын
Recently started to learn about transistors, this video helps a lot!
@haroldfinz4863 Жыл бұрын
This was a brilliant video, an excellent lesson, thank you. Especially the clip, "BJT is like an adjustable resistor" (3:04 to 3:29) which means a lot to someone who got into EE (tangentially) near the dawn of the digital era.
@adriano2737 Жыл бұрын
1:11 🤨🤨🤨
@TylerTMG 3 ай бұрын
whats the t mean?????
@TylerTMG 3 ай бұрын
blow job ??????? trainer? tester? team? what would it be
@bheeshmavasuprasad Жыл бұрын
Mehdi: Doesn't upload* Me: Hey, do something Mehdi: posts* Me: watches it immediately Also me: C'mon do something
@GeorgeFoot Жыл бұрын
Brilliantly entertaining as always! I loved the inverted PNP graph, and laughed out loud when I saw the burn marks on the breadboard!
@Zzzzzzzzz678 3 ай бұрын
This video is loaded with information, but it was about the most useful video on the topic I have ever seen
@025Shivam Жыл бұрын
Video on MOSFET please DADDY!!
@baharam98 Жыл бұрын
What a joy to watch Mehdi make learning easy to understand through his balance of fun and info. BRILLIANT! Much love to everyone who seeks total freedom from all authorities except LOVE.
@Autumn_Sunrise Жыл бұрын
My 10 year old son watches your videos because he’s very into electricity and how it works! So I subscribed myself. Thank you for teaching my future electrician!
@harshitsahu05 6 ай бұрын
I have been studying BJT for the last 2 years. It comes in some or the other topic, and every time I try to get it, I fail, but dude, this man just did the undoable.
@shashwatagnihotri4716 Жыл бұрын
Your sense of humor still holds as good as 8 to 9 years before 😆😆🙂 For science u touch wires and stuff 😂😅
@raymitchell9736 Жыл бұрын
A great refresher course on transistors... Thanks! In my electronics class we had access to a curve tracer and I was able to see these on the screen.
@kensmith5694 Жыл бұрын
With just a bit of electronics, it is not hard to make your own curve tracer. It is just a sawtooth driving the collector voltage and something that steps the base current on each cycle. A counter chip and binary weighted resistors is what I am thinking.
@raymitchell9736 Жыл бұрын
@@kensmith5694 Yep we built one of those as well...We used a DAC0807 or MC1408 to create a 16-step staircase generator using a 74193, then some other circuitry to generate the delays and trigger for the 555 to clock the counter... some op amps LF347's to buffer the output and drive the current into the DUT... The Current went to they 'Y' channel of the scope and the voltage went to the 'X' channel of the scope and I was able to create the curves for three parts: a transistor(2N123 NPN), diode(1N914), and Zener (1N4734A)... You comment caused me to pull down my old lab notebook that I still have after all these years... it was May 31, 1988 when I did that!
@kensmith5694 Жыл бұрын
@@raymitchell9736 Yes what you describe is more or less what I had in mind other than using a real DAC for the base drive. I figured that for 4 bits, binary weighted resistors would be easier. Chances are, I would have put a switch on the 4th bit so that the number of curves could be 8 or 16 or I would have fixed it at 8 to declutter the display. I still have a scope from about that era that I bought used. It is not the scope I was using in that era. The one I personally owned way back then had a CRT that was only about 4 inches in diameter. Sadly that scope was destroyed in the "great flood" caused by a burst pipe.
@tekvax01 Жыл бұрын
Excellent demo Mehdi! I haven't thought about this stuff for many years after college, so it is always a welcome learning experience to refresh ones knowledge.
@davidtruelove5022 Жыл бұрын
Thank you! I recently had an issue with a pnp bjt that was supposed to a npn I just flipped it and everything started to work. Thanks for the 101 series. These are great refreshers even for experienced technicians
@xdeathstar Жыл бұрын
I am a master's degree student at Technical University of Cluj and this explanations are really really good as a base to better understand transistors. I am amazed how you evaded all the theory and explained really plain and simple a difficult topic. I'm glad I subscribed to you, thank you Electroboom :D
@erdum Жыл бұрын
I learned these things years ago but still loves to watch your videos.
@Edsabre Жыл бұрын
Wow, my Electronics class just started talking about these! Thanks for this!
@SkyhawkSteve Жыл бұрын
Great video! It reminds me of my education as an electronics tech in the Marine Corps, where we were taught that transistors were "magic rocks". It was good enough for what we needed to know. In college, a teacher taught us "approximate to graduate". In other words, Vbe is 0.65V usually, use nominal beta, etc. i.e. keep sight of the big picture, and not the little details. Thanks again!
@zacharybethel401 5 ай бұрын
Subscribed as a masters in electrical engineering. I laughed too hard when you reminded me the bjt cross section couldnt hurt me. Priceless. You deserve a comedy central special.
@khinoo4821 Жыл бұрын
Thank you, Your explanation is not only very informative but also very fun to watch
@igorbondarev5226 3 ай бұрын
This is the best video about BJT's out there. Other authors omit real life things such as messy datasheets and hFE being not a constant. Respect
@CaptainCandycorn Жыл бұрын
I just had my first day of linear circuits class (MAE40) at university and this came up. Very excited to learn a new field of material!
@km077 6 ай бұрын
I love Mehdi's practical approach. Very few professors say "that's irrevelant, don't memorize that". But Mehdi does and also focuses/puts attention on the important parts, so that in the end we remember something... something actually useful.
@oscarjosefsson9300 Жыл бұрын
If nothing else this is a very accurate description of what it is like to try to understand transistors. You find a picture of a cross section. And wonder "what do I care about that?". That is not what I wanted to know. But you seem to be talking about what actually matters which is nice for a change.
@gnarmyskateboardco 9 ай бұрын
i used to see you shock yourself and saw your face looking up transistors for guitar pedals and it was easy to decide to watch your video. even without shocking yourself though, you are an awesome youtuber and teacher!
@CodyLynn100 Жыл бұрын
I learned so many BJT circuits in school and haven’t used a single one of them. Microcontrollers and MOSFET switches have been everything I’ve needed.
@kensmith5694 Жыл бұрын
I have done a lot of designs with BJTs in them ... but then at this point, I have done a huge number of designs without them.
@alexanderbeauregarde Жыл бұрын
I’d pay to have this guy as my Electronics teacher at school
@jcsolt8323 7 ай бұрын
I have been watching videos on transistors for a couple days now. This is by far the best one! Thanks electroboom!
@magicalframe9441 Жыл бұрын
I'm currently taking basic electrical for my A&P license and this helped a ton.
@sirspamalot4014 Жыл бұрын
Something I didn't learn at uni but learned just now, Beta and Hfe are the same. Thank you, that's why I watch these even though I feel like I already know how they work, I still learn something.
@Jundas Жыл бұрын
I don't why none of this stuff clicks in my head, but I love to hear him talk about it.
@SachinKumar-vl2ux 11 ай бұрын
Who said educational channel don't hit millions of subscriber and views? It is just about your interest how u are so love your skills and professions. You taught me a lot including life lesson. Salute your spirit and Way of teaching. Love from Bharat ♥
@rivergranniss3740 Жыл бұрын
Perfect timing! The module on BJT transistors in my circuits class started this week at university!
@jordanhart3744 Жыл бұрын
Sir, Most times i have absolutely no clue what you are talking about, BUT i always feel like I learn something when i watch a video
@dt9r Жыл бұрын
great, I ve never seen a better simplified explanation of a bjt functioning
@stefanfinesse7521 5 ай бұрын
I just wanna say I came across your page because im an EE student. I usually dont be too happy in classses. this just made me smile odeeee. Thnak you for being educational and fun....a rare achievement for EE instructors
@adoljitler69 Жыл бұрын
BRO ur so much better than my science teacher on god bro i love ur channel.
@TheBombanater 9 ай бұрын
Im studying electrical engineering. I've been struggling in my Electronic Devices class. ElectroBOOM has been super helpful at answering questions i missed in the reading
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