51. One of the following is an indirect way of generating FM. This is the—
    

1. 1. Reactance FET modulator
      

   
   
   

   2. Varactor diode modulator
      

   
   
   

   3. Armstrong modulator
      

   
   
   

   4. Reactance bipolar transistor modulator

   
   
   

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1. View Hint View Answer Discuss in Forum

   Armstrong modulator is an indirect way of generating FM.

   Correct Option: C

   Armstrong modulator is an indirect way of generating FM.

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52. Indicate which one of the following is not an advantage of FM over AM?
    

1. 1. Better noise immunity is provided
      

   
   
   

   2. Lower bandwidth is required
      

   
   
   

   3. The transmitted power is more useful
      

   
   
   

   4. Less modulating power is required

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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