11
2-7. If input signal number one is 90 degrees
out of phase with input signal number
two, what will the peak-to-peak
amplitude of the output signal be?
1.
0 volts
2. 12 volts
3. 24 volts
4. 48 volts
2-8. Which of the following statements
describes the output signal if input signal
number one is 90 degrees out of phase
with input signal number two?
1. A sine wave 90 degrees out of phase
with input number two
2. A sine wave 180 degrees out of phase
with input number one
3. A sine wave 180 degrees out of phase
with input number two
4. Not a sine wave
2-9. If input number two is the only input
signal applied to the amplifier, what will
the peak-to-peak amplitude of the output
signal be?
1.
0 volts
2. 12 volts
3. 24 volts
4. 48 volts
2-10. Which of the following statements
describes the output signal if input
number two is the only input signal
applied to the amplifier?
1. A sine wave in phase with the input
signal
2. A sine wave 90 degrees out of phase
with the input signal
3. A sine wave 180 degrees out of phase
with the input signal
4. Not a sine wave
Figure 2B.—Differential amplifier.
IN ANSWERING QUESTIONS 2-11
THROUGH 2-24, REFER TO FIGURE 2B
AND THE FOLLOWING INFORMATION:
ALL INPUT SIGNALS ARE SINE WAVES
WITH A PEAK-TO-PEAK AMPLITUDE OF 5
MILLIVOLTS. THE GAIN OF THE
AMPLIFIER IS 100.
2-11. If input number one and output number
one are the only terminals used, what
will the peak-to-peak amplitude of the
output signal be?
1.
1 volt
2.
2 volts
3. 500 millivolts
4.
0 volt
2-12. Which of the following statements
describes the output signal if input
number one, and output number one are
the only terminals used?
1. A sine wave in phase with the input
signal
2. A sine wave 90 degrees out of phase
with the input signal
3. A sine wave 180 degrees out of phase
with the input signal
4. Not a sine wave
