Below are the answers key for the Multiple Choice Questions in Modulation Part 7.
301. DSB
302. PIN diode
303. D
304. Sidebands
305. 3
306. Demodulation
307. mixing process whereby information is imposed upon a carrier
308. A modulator that produces a DSBSC signal
309. A circuit that acts as a variable inductance or capacitance to produce FM signals
310. By using a balanced modulator followed by a filter
311. By modulating the plate voltage of a class C amplifier
312. N
313. Mechanical filter
314. 0.799
315. 30 kHz
316. 10450 watts
317. Period
318. Modulation index
319. MF
320. Independent sideband emission
321. The only way to produce an emission F3E signal is with reactance modulator on the oscillator
322. 50%
323. In terms of peak envelope power
324. FM/TV stereo
325. Baseband frequency
326. F3E
327. Type of information to be transmitted
328. 500 W
329. Foster-Seeley discriminator
330. 11 W
331. Indirect
332. Maximum frequency swing to the highest modulating frequency
333. 0.8246
334. 0.10 milliwatts
335. Mixer
336. 0.185 V
337. Voltage-controlled oscillator
338. Distortion
339. 825 V
340. 542 W
341. Balanced modulator
342. Envelope detector
343. The need for an AFC circuit
344. Frequency synthesizer
345. Indirect
346. FM and DSB AM
347. RF amplifier
348. 230 kHz
349. The inputs are coherent
350. 48 W
Questions and Answers in Modulation Series
Following is the list of multiple choice questions in this brand new series:
Complete List of MCQ in Communications Engineering per topic
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