A. 100
B. 1000
C. 50
D. More than 10,000
The Q of the crystal is of the order of____________? Read More »
Oscillators A. Remains the same
B. Decreases
C. Increases
D. Insufficient data
A. A gain of 1 around the feedback loop
B. No gain around the feedback loop
C. The attention of the feedback circuit must be one-third
D. The feedback circuit must be capacitive
A second condition for oscillations is____________? Read More »
Oscillators A. Has more gain
B. Requires no input signal
C. Requires no d.c. supply
D. Always has the same input
An oscillator differs from an amplifier because it_____________? Read More »
Oscillators A. A voltage developed because of mechanical stress
B. A change in resistance because of temperature
C. A change in frequency because of temperature
D. None of the above
The piezoelectric effect in a crystal is___________? Read More »
Oscillators A. Minimum
B. Maximum
C. Half-way between maximum and minimum
D. None of the above
In an LC circuit, when the capacitor is maximum, the inductor energy is____________? Read More »
Oscillators A. Only positive
B. Only negative
C. Both positive and negative
D. None of the above
A Wien bridge oscillator uses___________feedback? Read More »
Oscillators A. It has superior electrical properties
B. It is easily available
C. It is quite inexpensive
D. None of the above
Quartz crystal is most commonly used in crystal oscillators because:____________? Read More »
Oscillators A. Wien-bridge
B. Hartely
C. Crystal
D. Phase shift
The signal generator generally used in the laboratories is___________oscillator? Read More »
Oscillators A. Increased 2 times
B. Decreased 4 times
C. Increased 4 times
D. Decreased 2 times
