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 ___________
0 h : 0 m : 1 s