Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Question
Chapter 54, Problem 3RQ
To determine
The average open loop or maximum gain of a 741 operational amplifier.
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15. Find the value of R, that will produce the indicated closed-loop gain in each amplifier in Figure 12-66
Ry
W
Aj=50
ww
1.0k
Figure 12-66
10 kn
Ag=-300
Aj=8
12 k
V₁₂₁M
2.2k
(d)
Ag=-75
17. If a signal voltage of 10 mVrms is applied to each amplifier in Figure 12-67, what are the output voltages and what is their phase
relationship with inputs?
18. Determine the approximate values for each of the following quantities in Figure 12-68 LO
ET Spie
2210
W
22 k
Figure 12-68
a. In
b. l
c. Vout
d. closed-loop gain
Nuclear Instrumentation and Control
A mechanical controller experiences a one inch travel of its input linkage. When the controller has completed its response to the disturbance, its output linkage is seen to have shifted by one-half inch. What is the gain of the controller? Express your answer as a raw gain value and as a percent of proportional band.
Chapter 54 Solutions
Understanding Motor Controls
Ch. 54 - Prob. 1RQCh. 54 - Prob. 2RQCh. 54 - Prob. 3RQCh. 54 - Prob. 4RQCh. 54 - Prob. 5RQCh. 54 - Prob. 6RQCh. 54 - Name two effects of negative feedback.Ch. 54 - Refer to Figure 548. If resistor R1 is 200 ohms...Ch. 54 - Refer to Figure 54–9. If resistor R1 is 470 ohms...Ch. 54 - What is the purpose of the hysteresis loop when...
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