An oscillator produces___________oscillations?
A. Damped
B. Undamped
C. Modulated
D. None of the above
Oscillators
If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?
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
An LC oscillator cannot be used to produce ____________frequencies?
An LC oscillator cannot be used to produce ____________frequencies?
A. High
B. Audio
C. Very low
D. Very high
In an LC transistor oscillator, the active device is___________?
In an LC transistor oscillator, the active device is___________?
A. LC tank circuit
B. Biasing circuit
C. Transistor
D. None of the above
An oscillator employs___________feedback?
An oscillator employs___________feedback?
A. Positive
B. Negative
C. Neither positive nor negative
D. Data insufficient
In a phase shift oscillator, we use____________RC sections?
In a phase shift oscillator, we use____________RC sections?
A. Two
B. Three
C. Four
D. None of the above
The application where one would most likely find a crystal oscillator is____________?
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
In a certain oscillator Av = 50. The attention of the feedback circuit must be___________?
In a certain oscillator Av = 50. The attention of the feedback circuit must be___________?
A. 1
B. 01
C. 10
D. 02
____________is a fixed frequency oscillator?
____________is a fixed frequency oscillator?
A. Phase-shift oscillator
B. Hartely-oscillator
C. Colpitt’s oscillator
D. Crystal oscillator
An important limitation of a crystal oscillator is____________?
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