What are PCBs? || How do PCBs Work?

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Publicado 2019-11-26
What is inside of PCBs? Smartphones have dozens of components, and they are all connected thru a vast labyrinth of wires inside the PCB! So how exactly do PCBs work?

PCBs may be incredibly complex, however, they are rather easy to design and order. For a quick turnaround and inexpensive option for buying any variety of PCB, consider PCBWay: www.pcbway.com/

Do you want to support in-depth engineering and technology education? Support us on: www.patreon.com/brancheducation

Website: www.branch.education/
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Twitter: @teddytablante
Made by Teddy Tablante

Table of Contents:
0:00 Intro: Enter the PCB
01:11 Section 1: What is a motherboard?
01:45 Section 2: X-Ray Image of PCB & Wires from the SoC
03:38 Section 3: What are the layers of a PCB?
05:00 Section 4: Pursue STEM Careers!
06:29 Section 5: Vias and holes in the PCB
07:55 Section 6: Different designs of PCBs, Sizes, Weights, and Thru hole
09:22 Outro: Summary and Branches

Background Understanding: Wires, Power, Ground

Key Branches from this video are: PCB Design, PCB Manufacturing, Solid State Drive, Supporting Chips, System on a Chip, Wifi Chip

Erratum:
Via is a backronym or apronym. 99% (except the Wikipedia article about them) of people don't use the phrase Vertical Interconnect Access, it's just called a via.
10:06 Manufacturing misspelled as Manufacutring

#PCB #Smartphone #Howitworks

Animation built using Blender 2.79b www.blender.org/
Post with Adobe Premiere Pro and Adobe After Effects
Sound editing with Reaper

Work Cited:

"PCB Layout Recommendations for BGA Packages." Lattice Semiconductor. March 2017

"Printed Circuit Boards, Technical Engineering Guide." EPEC.

"Rigid PCB Design For Assembly Guide." Bittele Electronics Inc. September 13th, 2018

"Rigit PCB Design For Manufacturability Guide." Bittele Electronics Inc. October 04, 2017
"Qualcomm Snapdragon 808 MSM8992. Notebook Check.

Schweitzer, Albert. "PCB Layer Stack-up" Fineline Technical Workshop. September 2015

Wikipedia contributors. "Computer" , "Electronics" , "Flea","Printed circuit Board", "Surface Mount Technology", "System on a Chip", "Through-Hole Technology"  Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, November 26th, 2019.

Yap, Charley. "How to Successfully Design a BGA." Altium, October 26th, 2016

Image Attribution:
An entry-level IBM System/360 system, on display at the Computer History Museum. Dave Ross Flickr, commons.wikimedia.org/wiki/File:IBM_System360_Mode…

Ifixit Smartphone Teardowns for:
www.ifixit.com/
Google Pixel 4XL: Jeff Suovanen
Samsung Galaxy Note 9: Arthur Shi
Iphone 8: Andrew Optimus Goldheart
Huawei P30 Pro Teardown: Dominik Schnabelrauch
OnePlus6: Jeff Suovanen
LGV20: Dominik Schnabelrauch
LGV10: Me! Teddy Tablante
Nintendo Switch: Jeff Suovanen
Samsung Galaxy S8: Sam Goldheart
Iphone X PCB: Andrew Optimus Goldheart
Iphone X X-Ray: Sam Goldheart

Music Attribution in Order:
Morning Dew from YouTube Audio Library
Above Planets by Patrick Patrikios from YouTube Audio Library
Stars and Constellations by Sarah the Instrumentalist from YouTube Audio Library
Gently Onwards from YouTube Audio Library
Sunburst, Tobu & Itro is licensed under Creative Commons Attribution License
www.7obu.com/
   • Video  

Todos los comentarios (21)
  • @BranchEducation
    Which video topic do you want me to explore next*? I would like to know what you would like to learn more about and what I should prioritize. Potential Smartphone/Tech topics are: SSDs, LCDs, Wifi, Microchips / SoCs, RAM, GPS, wireless charging? Or I can jump into other topics like Quantum Computers or Satellites? Or would you like more conceptual engineering/physics topics such as 'What is temperature?' Note that next* means I'll work on it after the video I am already working on.
  • @pravinladde
    I am a PCB designer.. and every PCB designer should watch this animation before he start/choose this as career... Such an inspiring animation.
  • @user-uw1wq9rj8g
    This is what I call an educational animation, amazing graphics and great presentation
  • @JaredOwen
    Teddy you took this video to the next level. I learned a ton! Keep it up
  • @EEVblog
    Damn that's impressive, well done! I can appreciate the work that went into that.
  • @ZackXa
    The little break in the middle I was expecting a paid advertisement, was pleasantly surprised. I really appreciate that plug and agree 100% :)
  • @hellohypo2009
    I'm a simple man. When people tell me what the distance is in both meters and feet, I'm happy. Thumbs up and subscribed
  • @KC_Smooth
    It’s fascinating enough to picture this being made on a large scale, like the size of a table. It’s absolutely mind boggling that they shrunk this massive electronic city down to something that fits into your pocket.
  • I am an engineering student of ECE and these videos give me a lot of inspirations. Thanks a lot to Branch Education. Lots of love from India.
  • @albertlee638
    Can you please do a video on the "making of this video". Thanks.
  • @fxbear
    I love your series. I worked on a main frame as a teen, making sure core memories were not compromised. We didn’t have home computers yet so I learned FORTRAN and cobol from a book, writing code with pen and paper, then pretending I was a computer and executing my code by hand. Back then, if code didn’t run from top to bottom cleanly, it was considered bad code. That made object oriented coding difficult for me to learn later. Things are so complex now, I feel like I’m starting over and your videos have helped tremendously. Whoever is doing your animation is doing a fantastic job. My career took me through post production and game animation so I appreciate the work displayed here.
  • @MrGarda42
    This is possible one of the best animations I've seen in this kind of a video. Hats off matie 🍻🍻
  • @petermainwaringsx
    I remember when I used to be able to repair stuff with a soldering (not a silent "L" in the UK) iron and a few hand tools. After watching this video I don't feel so bad about not being able to do that anymore. Another wonderful video from you, and thanks for your efforts.
  • @DraRed73
    Mind blowing. This video highlights just how impressive the engineering behind our devices is.
  • @justinalyne9573
    Hey Teddy! I just wanted to say thanks for making this video. Currently, I'm a college student studying to become a computer engineer. I 100% agree that more people should get exposed to these STEM-related fields. Technology will always grow; for example, when I experienced it in grade school, we transitioned from homework/lessons on paper to Chromebooks. Even during COVID, many schools use online resources to continue their education, thus influencing new ideas for how teaching in schools should be done. Overall, we would not be at this point in our lives with easy access to the WEB and other vital tools/resources if it wasn't for the thousands of STEM-related inspired students in the past. I also encourage others who are considering an education in a STEM-related field to give it a go as you never know what creative genius inventions you could produce to push the human race forward.
  • @tedz2usa
    Did you really take apart a cell phone, and de-solder all of the surface components to make these 3D models and graphics? Truly incredible work! I admire the work you do to make accurate, compelling, and clarifying visualizations for your videos!!
  • @joelwong62
    Superb job on this video! (It's the only in-depth one I could find on PCB's so far). One reason I really like smartphones is the embodiment of so many separate and complicated technologies, yet all working in harmony to deliver a good experience to its users. Please continue on!
  • @vypmnoo0
    Wow this was really amazing and thoughtfully well put!! It is very clear that the amount of work put for just one video was beyond what most people do!! Loved it!