11. A telephone channel requires a bandwidth of about A. 1 kHz B. 3 kHz C. 10 kHz D. 50 kHz Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
12. Fourier analysis indicate that a square wave can be represented as A. A fundamental sine wave and odd harmonics B. A fundamental sine wave and even harmonics C. A fundamental sine wave and harmonics D. Fundamental and subharmonic sine waves Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
13. If sampling is done at the rate of 10 kHz. The bandwidth required is A. 35 kHz B. 70 kHz C. 10 kHz D. 1280 kHz Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
14. Which of the following is an indirect way of generating FM? A. Armstrong modulator B. Varactor diode modulator C. Reactance FET modulator D. Reactance bipolar transistor Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
15. In practical commercial FM system, channel bandwidth is A. 150 kHz B. 100 kHz C. 88 MHz D. 108 MHz Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
