An important limitation of a crystal oscillator is____________?

Related Mcqs:

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

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

2. The application where one would most likely find a crystal oscillator is____________?

   A. Radio receiver
   B. Radio transmitter
   C. AF sweep generator
   D. None of the above

3. 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

4. Quartz crystal is most commonly used in crystal oscillators because:____________?

   A. It has superior electrical properties
   B. It is easily available
   C. It is quite inexpensive
   D. None of the above

5. If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?

   A. Positive
   B. Zero
   C. Negative
   D. None of the above

6. An oscillator converts __________?

   A. power into d.c. power
   B. power into a.c. power
   C. mechanical power into a.c. power
   S. none of the above

7. For an oscillator to properly start, the gain around the feedback loop must initially be_________?

   A. 1
   B. Greater than 1
   C. Less than 1
   D. Equal to attenuation of feedback circuit

8. 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

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

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

10. An oscillator produces___________oscillations?

    A. Damped
    B. Undamped
    C. Modulated
    D. None of the above