Oscillator Multiple Choice Questions And Answers


16. Which of the following circuits constitute an oscillator?


   A.Bistable multivibrator

   B.Astable multivibrator

   C.Schmitt trigger

   D.Monostable multivibrator


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B.Astable multivibrator

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17. The oscillator circuit with only D.C power source can be produce


   A.Sinusoidal wave only

   B.Saw tooth wave only

   C.Square wave only

   D.Any of the above


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D.Any of the above

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18. Udamped oscillation requires


   A.Tuned circuit, amplifier and feedback circuit

   B.Phase shift circuit amplifier and feedback circuit

   C.Rectifier, amplifier and feedback circuit

   D.None of the above


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A.Tuned circuit, amplifier and feedback circuit

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19. An oscillator that is most stable having simple circuit is


   A.Colpitts oscillator

   B.Crystal oscillator

   C.Clapp oscillator

   D.Armstrong oscillator


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B.Crystal oscillator

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20. ............... oscillator is the most stable oscillator


   A.Crystal controlled

   B.Hartley

   C.Colpitts

   D.Wein bridge


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A.Crystal controlled

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