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HWN - MOST-STRUGGLED Hardware Engineer Interview Question 

Hardware Ninja
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Hi fellow (and future) engineers!
This week we take a look at a fundamental question that most hardware engineers struggle with. The topic of power electronics is currently a hot topic since it's applied everywhere from renewable energy, to electric vehicles, to microprocessors.
Welcome back to another episode of Hardware Ninja! Ever wondered how to get a job as a Hardware Designer in some of the top tech companies like Microsoft, Google, Tesla, Apple, Facebook, etc?
The interview process employs many application based questions whether you're a recent college grad or an experienced applicant. It doesn't matter if you want to work for Elon Musk, Tim Cook, or the up and coming start-up you heard about. We're here with curated material of real life technical interview questions.
Please consider subscribing to the channel and supporting our movement. Prospective job seekers (including yourself some day) will benefit from this resource.
Chapters:
00:00 Intro
02:14 Problem Statement
02:37 Solution
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11 июл 2024

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Комментарии : 18   
@tarunfirestoned
@tarunfirestoned 2 года назад
I'm a working analog Design engineer. I have no shame in admitting that initially I made a mistake in the solution when I tried to quickly think by myself by using steady state concept. Now I learned I have to be more careful. Your answer has definitely taught me something. Thanks for your work. Keep going. Your vids are useful and enjoyable.
@RakeshChandra-tk4cr
@RakeshChandra-tk4cr 2 года назад
Thank you for this Video..!!!
@chihakhalil1654
@chihakhalil1654 2 года назад
Thank you for this video... keep going ;)
@HardwareNinja
@HardwareNinja 2 года назад
Thank you for the kind words, please share with your colleagues!
@amitjana8172
@amitjana8172 11 месяцев назад
Nice video,
@Nino-dj3es
@Nino-dj3es 2 года назад
Thanks for these, I have a job interview in a couple of days. I need all the help i can get :D
@HardwareNinja
@HardwareNinja 2 года назад
Happy to help! Please do let us know how it goes!
@EletronicaCaseira
@EletronicaCaseira 2 года назад
Maybe this was a failure in my background, but I never thought about solving it in the time domain. Usually I converted it to frequency domain and then converted back to time domain. Solving and understanding it in the time domain was a novel experience for me LOL Thank you very much.
@maser9433
@maser9433 5 месяцев назад
same! I was using laplace method, in the end I was figuring out how to now apply inverse laplace now :)
@hamzakourta4509
@hamzakourta4509 11 месяцев назад
would be a good move to solve it by the transfer function? and i don't quite understand how you assume Vin - Vout is constant in the integral and the result is still correct though
@apurvawalunj3407
@apurvawalunj3407 2 года назад
Hello Will the output voltage be a decaying amplitude ringing signal over time, as in the ringing amplitude reduces until it settles down? (since this is a step input and the edge transition from low to high happens only once according to the diagram)
@vineelchandra4435
@vineelchandra4435 Год назад
The output will not be decaying in this case as inductor and capacitor are ideal (they have no resistance components). In a practical circuit however due to parasitic resistance, output voltage will be decaying and settles to 1V at steady state. This can also be easily proven by solving above circuit in frequency domain and applying inverse laplace to get time domain response
@LOLWUT281
@LOLWUT281 2 года назад
6:20 No this assumption is wrong. You don't know what L and C are. If L is really small and C very large then, then its possible no ringing occurs at all. But that's not really what I take issue with, in your explanation. I don't think you can say what voltage the capacitor will be at. Now that I'm thinking about it, a more correct answer would also consider cases where C>>L and L>>C. All that aside keep it up! I enjoy watching your videos. I think a few have stumped me as well, and I've only watched like 10 so far.
@HardwareNinja
@HardwareNinja 2 года назад
Hi! Thank you for your constructive feedback, we very much appreciate it! However, we'd like to point the following: The result holds true independent of the values of L and C (assuming they are ideal). This is because this LC filter is a double pole system and varying the values of L and/or C will only shift the frequency at which they resonate. Let us know if you agree. Cheers!
@kirschmackey_official
@kirschmackey_official Год назад
@@HardwareNinja Agreed.
@wordsoccer747
@wordsoccer747 2 года назад
add question: what is Imax?
@HardwareNinja
@HardwareNinja 2 года назад
Thank you so much for contributing to the discussion! You're absolutely right. Common follow up questions are: 1. Imax 2. Frequency of Oscillation 3. Bode Plot of transfer function 4. What happens if there's a resistor in parallel/series with the capacitor
@user-nn3kf4tm5k
@user-nn3kf4tm5k 2 года назад
@@HardwareNinja Can we get an explanation for those too?😜 Great work !
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