Electronics Hardware Engineer - Interview Questions - 12

 

321. Why do we need controlled impedance in PCB?
322. Why do we need capacitors for the crystal?

323. How do we determine the series resistor used for termination purposes?

324. What are the various RESET mechanisms used in circuits?

325. We know that moving to a lower voltages reduces the power consumption in a circuit. What is the actual criteria here to say that power has reduced

326. How do we select a dielectric material for a PCB?

327. There are high frequency oscillations in a circuit that are majorly coming from an output of regulator, how do we eliminate them?

328. What is the functionality of soft start in regulators?

329. What are the different ways to achieve power sequencing?

330. What is the difference between decoupling and bypass capacitor? 

331. Do we need decoupling capacitors at every entry power point in the circuits?

332. What is Faraday Cage in PCB?

333. Why do we need fudicial in PCB?

334. What is a high-pot test for the PCB?

335. What is insulation resistance for a dielectric material?

336. What is the difference between impedance and resistance in electrical circuits?