____________is a fixed frequency oscillator?

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

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

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

   A. L and C
   B. R, L and C
   C. R and C
   D. None of the above

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. Hartley oscillator is commonly used in______________?

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

6. An oscillator differs from an amplifier because it_____________?

   A. Has more gain
   B. Requires no input signal
   C. Requires no d.c. supply
   D. Always has the same input

7. 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

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

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

9. An oscillator employs___________feedback?

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

10. In an LC transistor oscillator, the active device is___________?

    A. LC tank circuit
    B. Biasing circuit
    C. Transistor
    D. None of the above