Electronics Hardware Engineer - Interview Questions - 7

Electronics Hardware Engineer - Interview Questions - 7


201. What are the different dielectric materials used for capacitor?
202. How are voltage and current related in a capacitor?
203. What are tented via in PCB and what is the need?
204. What are impedance coupons in PCB and what is the need?
205. What are the advantages of having Ferrite sleeves on a cable extended out of PCB?
206. How are prorogation delay and PCB parameters related?
207. What is wave impedance and whats is it's value in free space?
208. what are the impedance requirements of a DVI interface?
209. Draw the interfacing circuitry for a sensor connectivity to microcontroller
210. Draw the circuit of opto coupler and explain functionality
211. What are the techniques use din PCB Layout to measure board impedance?
212. Which devices do you call a linear device?
213. In a circuit a zener diode is connected in reverse, what are the consequences?
214. What does a P-spice model of a component represent?
215. Why do we need S-parameters?
216. How do you interface a touch sensor to a microcontroller?
217. What happens to a signal if there is a impedance mismatch in a PCB?
218. What are the different parameters we talk of a PWM signal and how do we use them in an application?
219. Can a CAN interface have multi masters?
220. What are the termination requirements of CAN interface?
221. Why does static charges occur?
222. When do we use a electrolytic and when do we use a ceramic capacitors in circuits?
223. What are the different wireless charging standards?
224. Is I2C half or full duplex and why?
225. What is SCI interface in controllers/processors?
226. What is auto-bauding?
227. What is the maximum clock speed possible with I2C?
228. What frequencies does the LORA modules use?
229. What are the different RESET mechanisms in microcontroller?
230. What is the function of synthesizer in circuits?
231. Can an op amp work without feedback loop?
232. Can dual supply op amp be used with a single positive supply or single negative supply?
233. What are the different Wi-Fi based MCUs available in the market?
234. What are the considerations to be taken to design a battery based circuit?
235. What is Maximum power point tracking in battery chargers?
236. What are the different techniques used in a circuit to control current flow?
237. What are the differences between normal diode and Schottky diode?
238. Why is a CODEC require din the circuit?
239. What are the different techniques and tools used to measure the coupling between the traces in a PCB Layout?
240. What are Zero Delay Buffers?
241. Draw the architecture of Delta-Sigma ADC?
242. What is UHF band?
243. How do we interface circuits with different logic levels in a design?
244. Where do we need isolation in a circuit?

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