ECT 263 Week 4 Quiz | Assignment Help | Devry University

ECT 263 Week 4 Quiz | Assignment Help | Devry University 


Week 4 Quiz


Question 1 

(TCO 4) From the spectrum analyzer display shown below, determine the total bandwidth needed to transmit that signal. 


image


  

·         15KHz

 

·         60KHz

 

·         90KHz

 

·         120KHz


Question 2

 

(TCO 4) From the spectrum analyzer display below, determine the modulation frequency.


image


 

·         5KHz

 

·         10KHz

 

·         20KHz

 

·         40KHz

 

·         100KHz



Question 3

 

(TCO 4) Using the Bessel chart below, determine how many significant sideband pairs a transmission with a modulation factor of 0.5 would generate. 


image


·         1

 

·         2

 

·         3

 

·         6

 

·         7



Question 4

 

(TCO 4) An FM transmitter has a carrier frequency of 460.55MHz, a deviation of +/-5KHz and audio modulation frequency of 1KHz. Calculate the modulation factor?

 


·         1

 

·         2

 

·         5

 

·         10

 

·         460.55

 


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