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.Management Sciences
Category: Oscillators
An important limitation of a crystal oscillator is____________?
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A. Its low output
B. Its high Q
C. Less availability of quartz crystal
D. Its high output
The signal generator generally used in the laboratories is___________oscillator?
A. Wien-bridge
B. Hartely
C. Crystal
D. Phase shift
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
A Wien bridge oscillator uses___________feedback?
A. Only positive
B. Only negative
C. Both positive and negative
D. None of the above
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
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
The crystal oscillator frequency is very stable due to___________of the crystal?
A. Rigidity
B. Vibrations
C. Low Q
D. High Q
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
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