3-42
Figure 3-27.—Circuit for Q31 through Q33.
Q-31.
What type of circuit is figure 3-27?
Q-32.
If: E1 = +2V, and: E2 = +6V, then Eout = ?
Q-33.
What is the difference in potential between the inverting (-) and noninverting (+) inputs to the
operational amplifier when: E1 = +6V, and E2 = +2V
Q-34.
What is the difference between a subtractor and a difference amplifier?
Q-35.
Can a difference amplifier have more than two inputs?
Refer to figure 3-28 in answering Q36 through Q38.
Figure 3-28.—Circuit for Q36 through Q38.
Q-36.
What type of circuit is figure 3-28?
Q-37.
If: E1 = +5V, and: E2 = +11V, then Eout = ?
Q-38.
What is the difference in potential between the inverting (í DQG noninverting (+) inputs to the
operational amplifier when: E1 = +2V, and E2 = +4V
