271. Which produces more noise? Linear Regulator or Switched-mode power supplies?
272. What is the difference between common mode noise and differential mode noise?
273. What is the purpose of LISN?
274. What is the frequency range for conducted emissions testing?
275. What is the difference between RS422 and RS485?
276. Why do we need termination in electrical circuits?
277. How do we perform current sensing?
278. How can we achieve I/O signals isolation?
279. What is CTR in isolators?
280. How do we achieve impedance matching in circuits?
281. Why do we need SPICE models?
282. What is the need for Sample and Hold circuit?
283. Why do wee need boot capacitor in switching regulators?
284. Name any devices used for measuring temperature.
285. How can we detect a peak value of a waveform?
286. What is the difference between rectifier and inverter?
287. What is the difference between crystal and oscillator?
288. What happens to a micro controller if we give supply voltage less than the desired voltage?
289. What is schmitt trigger?
290. What is the significant of gate capacitance in MOSFETs?
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