In a phase shift oscillator, the frequency determining elements are _______________?

Related Mcqs:

1. In an LC oscillator, the frequency of oscillator is____________L or C?

   A. Proportional to square of
   B. Directly proportional to
   C. Independent of the values of
   D. Inversely proportional to square root of

2. In a phase shift oscillator, we use____________RC sections?

   A. Two
   B. Three
   C. Four
   D. None of the above

3. The crystal oscillator frequency is very stable due to___________of the crystal?

   A. Rigidity
   B. Vibrations
   C. Low Q
   D. High Q

4. In an LC oscillator, if the value of L is increased four times, the frequency of oscillations is __________?

   A. Increased 2 times
   B. Decreased 4 times
   C. Increased 4 times
   D. Decreased 2 times

5. ____________is a fixed frequency oscillator?

   A. Phase-shift oscillator
   B. Hartely-oscillator
   C. Colpitt’s oscillator
   D. Crystal oscillator

6. Hartley oscillator is commonly used in______________?

   A. Radio receivers
   B. Radio transmitters
   C. TV receivers
   D. None of the above

7. In Colpitt’s oscillator, feedback is obtained___________?

   A. A. By magnetic induction
   B. By a tickler coil
   C. From the centre of split capacitors
   D. None of the above

8. An important limitation of a crystal oscillator is____________?

   A. Its low output
   B. Its high Q
   C. Less availability of quartz crystal
   D. Its high output

9. In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency____________?

   A. Remains the same
   B. Decreases
   C. Increases
   D. Insufficient data

10. An oscillator employs___________feedback?

    A. Positive
    B. Negative
    C. Neither positive nor negative
    D. Data insufficient