# The center frequency is 200 khz each division is

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The center frequency is 200 KHz. Each division is equal to 160/4 = 40 KHz. The next frequency is about 110 KHz. Modulation frequency = 215 – 200 = 15 KHz. Points Received: 10 of 10 Comments: Question 3. Question : (TCO 4) Using the Bessel chart below, determine how many significant sideband pairs a transmission with a modulation factor of 4.0 would generate. Student Answer: 1
4 5 7 10 Instructor Explanation: The Bessel Function table shows seven(J7) significant pairs of sidebands corresponding to a modulation factor of 4. Points Received: 5 of 5 Comments: Question 4.Question :(TCO 4) An FM transmitter has a carrier frequency of 150MHz, a deviation of +/-15KHz and audio modulation frequency of 3KHz. Calculate the modulation factor?Student Answer: 371015None of the above.Explanation:Modulation factor is given by: Deviation in carrier frequency / Modulation frequencyModulation Factor = 15 KHz / 3 KHz = 5. Instructor Points Received: 5 of 5 Comments: Question 5. Question : Amplitude modulation is a process in which peak amplitude of the carrier signal varies in direct proportion to amplitude variations in the modulation signal (baseband). Student Answer: True False Points Received: 0 of 10