If high power amplifier on system board, how you going to test it?
Antenna Design Engineer Interview Questions
103 antenna design engineer interview questions shared by candidates
There was not any as such. Everything went out smoothly. You just need to have basics/fundamentals in your mind ready like dipole current radiation pattern, Maxwell equations, Impedance matching, Smith chart, etc. You should be able to explain each part of your resume in simpler words with showing lot of enthusiasm about the work you are doing and the work you will be doing at internship.
how to make circular polarization with monopole antennas. explaining the Maxwell equations. how to measure the phase center.
Probability problem or series of numbers to complete. Simple antenna theory: reflection coefficient, dipole, PIFA, IFA, FRIIS equation, patch antenna... How can you cover the 700-900 MHz and 1700-1900 GHz band? (you need matching network) If you have two hours to make a dipole antenna how would you do? (if that's the job of an antenna engineer at Apple then I don't want the job). One of them asked me about the gain definition.... I had to explain him that the IEEE gain does not include the mismatch loss (only the realized gain does). Unit of directivity? Very insulting question when you have a PhD degree like also: what is the relationship between voltage current and capacitance. Some of the engineer where good and very nice. Sone others did not even care about the interview. One of them took me to the lunch barely spoke with me and realized when we came back that we were supposed to have the interview while having lunch (So I had only 5 mins of interview instead of 30mins).
What is Directivity? What is antenna gain? How much is path loss gain of 20dB? Explain what is a vector network signal analyzer? Explain to me what is regression testing? What's TRP and TIS and explain to me the difference between the two? What are the degrees measured at? What was your day-to-day like at your previous company? How do you setup your test procedures (at previous company)? What was your university major? Explain, why you chose it?
About my background and previous work I had done.
what salary you're looking for? What is LEAN? Tell me about your past job?
Describe your experience and current work. What you have done with the software in your cv? Describe the procedure to measure the different antenna parameters: Dir, Gain, S11 etc; Describe your experience with the equipment pointed in your CV. ...
What is the electric field on an infinitely long conductor?
Describe Maxwell's equations, what is 3dB compression point
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