Q.1.
In an LC transistor oscillator, the active device is ___________
Q.2.
___________ is a fixed frequency oscillator
Q.3.
A second condition for oscillations is ___________
Q.4.
In an LC oscillator, if the value of L is increased four times, the frequency of oscillations is ___________
Q.5.
The piezoelectric effect in a crystal is ___________
Q.6.
In Colpitt's oscillator, feedback is obtained ___________
Q.7.
For an oscillator to properly start, the gain around the feedback loop must initially be
Q.8.
The application where one would most likely find a crystal oscillator is ___________
Q.9.
An important limitation of a crystal oscillator is ___________
Q.10.
In an LC circuit, when the capacitor is maximum, the inductor energy is ___________
Q.11.
A Wien bridge oscillator uses ___________ feedback
Q.12.
An oscillator differs from an amplifier because it
Q.13.
An oscillator produces___________ oscillations
Q.14.
An LC oscillator cannot be used to produce ___________ frequencies
Q.15.
The Q of the crystal is of the order of ___________
Q.16.
If the crystal frequency changes with temperature, we say that crystal has ___________ temperature coefficient
Q.17.
In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency ___________
Q.18.
One condition for oscillation is ___________
Q.19.
An oscillator converts ___________
Q.20.
In a phase shift oscillator, the frequency determining elements are ___________