Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 6, Problem 5TSC
To determine
To find: The cause of given symptom.
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2. Using the approximate method, hand sketch the Bode plot for the following transfer
functions.
a) H(s) = 10
b) H(s) (s+1)
c) H(s):
=
1
=
+1
100
1000 (s+1)
10(s+1)
d) H(s) =
(s+100)
(180+1)
Q4: Write VHDL code to implement the finite-state machine described by the state
Diagram in Fig. 1.
Fig. 1
1. Consider the following feedback system.
Bode plot of G(s) is shown below.
Phase (deg)
Magnitude (dB)
-50
-100
-150
-200
0
-90
-180
-270
101
System: sys
Frequency (rad/s): 0.117
Magnitude (dB): -74
10°
K
G(s)
Bode Diagram
System: sys
Frequency (rad/s): 36.8
Magnitude (dB): -99.7
System: sys
Frequency (rad/s): 20
Magnitude (dB): -89.9
System: sys
Frequency (rad/s): 20
Phase (deg): -143
System: sys
Frequency (rad/s): 36.8
Phase (deg): -180
101
Frequency (rad/s)
a) Determine the range of K for which the closed-loop system is stable.
102
10³
b) If we want the gain margin to be exactly 50 dB, what is value for K we should
choose?
c) If we want the phase margin to be exactly 37°, what is value of K we should choose?
What will be the corresponding rise time (T) for step-input?
d) If we want steady-state error of step input to be 0.6, what is value of K we should
choose?
Chapter 6 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 6 - Parallel resistors are always connected between...Ch. 6 - If one resistor is connected in series with a...Ch. 6 - In a series-parallel combinational circuit, the...Ch. 6 - A larger load resistor has a smaller loading...Ch. 6 - When measuring de voltage, a DMM will normally...Ch. 6 - When measuring de voltage, the input resistance of...Ch. 6 - When measuring & voltage, the input resistance of...Ch. 6 - A Thevenin circuit consists of a voltage source...Ch. 6 - The internal resistance of an ideal voltage source...Ch. 6 - To transfer maximum power to a load, the load...
Ch. 6 - Which of the following statements are true...Ch. 6 - The total resistance of Figure 6-73 can be found...Ch. 6 - If all of the resistors in Figure 6-73 have the...Ch. 6 - Prob. 4STCh. 6 - The parallel combination of a 330 resistor and a...Ch. 6 - In the circuit described in Question 5, the...Ch. 6 - Prob. 7STCh. 6 - The output of a certain voltage divider is 9V with...Ch. 6 - Prob. 9STCh. 6 - When a load resistance is connected to the output...Ch. 6 - The output voltage of a balanced Wheatstone bridge...Ch. 6 - Prob. 12STCh. 6 - In a certain two-source circuit, one source acting...Ch. 6 - Prob. 14STCh. 6 - Prob. 15STCh. 6 - You are measuring the voltage at a given point in...Ch. 6 - Prob. 1TSCCh. 6 - Determine the cause for each set of symtims. Refer...Ch. 6 - Prob. 3TSCCh. 6 - Determine the cause for each set of symptoms....Ch. 6 - Prob. 5TSCCh. 6 - Identify the series and parallel relationships in...Ch. 6 - Visualize and draw the following series-parallel...Ch. 6 - Visualize and draw the following series-parallel...Ch. 6 - In each circuit of Figure 6-76 identify the series...Ch. 6 - A certain circuit is composed of two parallel...Ch. 6 - For the circuit in Figure 6-77, determine the...Ch. 6 - Determine the total resistance for each circuit in...Ch. 6 - Determine the current through each resistor in...Ch. 6 - Determine the current through each resistor in...Ch. 6 - In Figure 6-78, find the following: total...Ch. 6 - In Figure 6-78, determine the current through R2...Ch. 6 - In Figure 6-78, determine the current through R4...Ch. 6 - A vlotage divider consists of two 56k resistors...Ch. 6 - A 12 V battery output is divided down to obtain...Ch. 6 - Which will cause a smaller decrease in output...Ch. 6 - In Figure 6-79, determine the current drain on the...Ch. 6 - Across which one of the following resistances will...Ch. 6 - A certain voltage divider consists of three 1.0M...Ch. 6 - What is the difference between the measured and...Ch. 6 - By what percentage does the voltmeter in Problem...Ch. 6 - A 10,000/VVOM is used on the 10 V scale to measure...Ch. 6 - If a DMM with 10M input resistance is used instead...Ch. 6 - A resistor of unknown value is connected to a...Ch. 6 - A bridge network is shown In Figure 6-80. To what...Ch. 6 - Determine the value of RX in the balance bridge in...Ch. 6 - Determine the outpur voltage of the unbalanced...Ch. 6 - Reduce the circuit in Figure 6-83 to its Thevenin...Ch. 6 - For each circuit in Figure 6-84, determine the...Ch. 6 - Determine the voltage and current for R1 in Figure...Ch. 6 - Determin the value of a load resistor connected...Ch. 6 - A certain Thevenin equivalent circuit has a...Ch. 6 - Determine the value of RL in Figure 6-84(a) for...Ch. 6 - In Figure 6-86, use ther superposition therorem to...Ch. 6 - In Figure 6-86, What is the curent through R2?...Ch. 6 - Is the voltmeter reading in Figure 6-87 correct?...Ch. 6 - If R2 in Figure 6-88 opens, what voltages will be...Ch. 6 - Check the meter readings in Figure 6-89 and locate...Ch. 6 - Determine the voltage you would expect to measure...Ch. 6 - Determine the voltage you would expect to measure...Ch. 6 - In each circuit of Figure 6-90, identify the...Ch. 6 - Draw the schematic of the PC board layout in...Ch. 6 - 1For the circuit shown in Figure 6-92, calculate...Ch. 6 - Determine the total resistance and the voltage at...Ch. 6 - Determine the total resistance between terminals A...Ch. 6 - What is the voltage across each resistor in Figure...Ch. 6 - Determine the voltage, VAB. in Figure 6-95. FIGURE...Ch. 6 - Find the value of R2 in Figure 6-96. FIGURE 6-96Ch. 6 - Determine the total resistance and the voltage at...Ch. 6 - Develop a voltage divider to provide a 6 V output...Ch. 6 - Determine the resistance values for a voltage...Ch. 6 - Using the superposition therorem, calculate the...Ch. 6 - Find the current through RL in Figure 6-99. FIGURE...Ch. 6 - Using Thevenin’s theorem, find the voltage...Ch. 6 - Determine VOUT for the circuit in Figure 6-101 for...Ch. 6 - Develop a schematic for the double-sided PC board...Ch. 6 - Lay out a PC board for the circuit in Figure...Ch. 6 - The voltage divider in Figure 6-103 has a switched...Ch. 6 - Figure 6-104 shows a dc biasing arrangement for a...Ch. 6 - Look at the voltmeters in Figure 6-105 and...Ch. 6 - Are the voltmeter reading in Figure 6-106 correct?...Ch. 6 - There is one fault in Figure 6-107. Bases on the...Ch. 6 - Look at the voltmeters in Figure 6-108 and...Ch. 6 - Determine the voltmeter reading in Figure 6-108 if...Ch. 6 - Open file P06-64; files are found at...Ch. 6 - www.prenhall.com/floyd. 65. Open file P06-65 and...Ch. 6 - www.prenhall.com/floyd. 66. Open file P06-66 and...Ch. 6 - www.prenhall.com/floyd. 67. Open file P06-67 and...Ch. 6 - www.prenhall.com/floyd. 68. Open file P06-68 and...Ch. 6 - www.prenhall.com/floyd. 69. Open file P06-69 and...Ch. 6 - www.prenhall.com/floyd. 70. Open file P06-70 and...Ch. 6 - www.prenhall.com/floyd. 71. Open file P06-71 and...
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