Oscillator Multiple Choice Questions And Answers

31. Gain stability in an oscillator can be achieved by

   A.Using low-Q circuits

   B.Providing positive feedback

   C.Providing negative feedback

   D.Controlling the gain

32. Which of the following is the main advantage of using oscillators?

   A.Suitability for low voltages

   B.High output voltage

   C.Constant frequency of oscillations

   D.High frequency

33. In oscillator circuits the energy feedback to its input terminal from output is

   A.Always in phase with the input signal

   B.270⁰ out of phase with the input signal

   C.180⁰ out of phase with the input signal

   D.90⁰ out of phase with the input signal

34. Oscillators have .............. feedback

   A.Positive

   B.No

   C.Negative

   D.Either Positive or negative

35. Oscillations occur with

   A.Positive feedback having unity loop gain

   B.Positive feedback having unity loop

   C.Negative feedback having unity loop gain

   D.None of the above

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