Fundamentals of Electric Circuits
6th Edition
ISBN: 9780078028229
Author: Charles K Alexander, Matthew Sadiku
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 5, Problem 1RQ
The two input terminals of an op amp are labeled as:
- (a) high and low.
- (b) positive and negative.
- (c) inverting and noninverting.
- (d) differential and nondifferential.
Expert Solution & Answer
To determine
Find the correct option, which provides the two terminals of an op amp.
Answer to Problem 1RQ
The option is (c) inverting and noninverting.
Explanation of Solution
Calculation:
Operational amplifier (Op amp):
An active circuit element, which consists of complex arrangement of transistors, resistors, capacitors and diodes to perform various operations, is known as operational amplifier.
The general electronic symbol of op amp is shown in Figure 1.
In Figure 1, the op amp has two inputs and one output. Two input terminals are named as inverting input and noninverting input terminals.
The inputs marked with the notations
Therefore, the option (c) is correct and the options (a), (b), (d) are incorrect.
Conclusion:
Thus, the correct option is (c) inverting and noninverting.
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Chapter 5 Solutions
Fundamentals of Electric Circuits
Ch. 5.2 - If the same 741 op amp in Example 5.1 is used in...Ch. 5.3 - Repeat Example 5.1 using the ideal op amp model....Ch. 5.4 - Practice Problem 5.3 Figure 5.13 For Practice...Ch. 5.4 - Two kinds of current-to-voltage converters (also...Ch. 5.5 - Calculate vo in the circuit of Fig. 5.20. Answer:...Ch. 5.6 - Practice Problem 5.6 Find vo and io in the op amp...Ch. 5.7 - Design a difference amplifier with gain 7.5....Ch. 5.7 - Obtain io in the instrumentation amplifier circuit...Ch. 5.8 - Practice Problem 5.9 Figure 5.30 For Practice...Ch. 5.8 - If v1 = 5 V and v2 = 5 V, find vo in the op amp...
Ch. 5.9 - Rework Practice Prob. 5.1 using PSpice. If the...Ch. 5.10 - A three-bit DAC is shown in Fig. 5.37. (a)...Ch. 5.10 - Determine the value of the external gain-setting...Ch. 5 - The two input terminals of an op amp are labeled...Ch. 5 - For an ideal op amp, which of the following...Ch. 5 - For the circuit in Fig. 5.40, voltage vo is: (a)6...Ch. 5 - For the circuit in Fig. 5.40, current ix is:...Ch. 5 - If vs = 0 in the circuit of Fig. 5.41, current io...Ch. 5 - If vs = 8 mV in the circuit of Fig. 5.41, the...Ch. 5 - Refer to Fig. 5.41. If vs = 8 mV, voltage va is:...Ch. 5 - The power absorbed by the 4-k resistor in Fig....Ch. 5 - Which of these amplifiers is used in a...Ch. 5 - Difference amplifiers are used in (please check...Ch. 5 - The equivalent model of a certain op amp is shown...Ch. 5 - The open-loop gain of an op amp is 50,000....Ch. 5 - Determine the voltage input to the inverting...Ch. 5 - The output voltage of an op amp is 4 V when the...Ch. 5 - For the op amp circuit of Fig. 5.44, the op amp...Ch. 5 - Using the same parameters for the 741 op amp in...Ch. 5 - 5.7 The op amp in Fig. 5.46 has Ri = 100 k, Ro =...Ch. 5 - Obtain vo for each of the op amp circuits in Fig....Ch. 5 - Determine vo for each of the op amp circuits in...Ch. 5 - Prob. 10PCh. 5 - Using Fig. 5.50, design a problem to help other...Ch. 5 - Calculate the voltage ratio vo/vs for the op amp...Ch. 5 - Find vo and io in the circuit of Fig. 5.52. Figure...Ch. 5 - Determine the output voltage vo in the circuit of...Ch. 5 - (a)Determine the ratio vo/is in the op amp circuit...Ch. 5 - Using Fig. 5.55, design a problem to help students...Ch. 5 - Prob. 17PCh. 5 - For the circuit shown in Figure 5.57, solve for...Ch. 5 - Determine io in the circuit of Fig. 5.58. Figure...Ch. 5 - In the circuit of Fig. 5.59, calculate vo of vs =...Ch. 5 - Calculate vo in the op amp circuit of Fig. 5.60....Ch. 5 - Design an inverting amplifier with a gain of 15.Ch. 5 - For the op amp circuit in Fig. 5.61, find the...Ch. 5 - In the circuit shown in Fig. 5.62, find k in the...Ch. 5 - Calculate vo in the op amp circuit of Fig. 5.63....Ch. 5 - Using Fig. 5.64, design a problem to help other...Ch. 5 - Find vo in the op amp circuit of Fig. 5.65. Figure...Ch. 5 - Prob. 28PCh. 5 - Determine the voltage gain vo/vi of the op amp...Ch. 5 - In the circuit shown in Fig. 5.68, find ix and the...Ch. 5 - For the circuit in Fig. 5.69, find ix. Figure 5.69...Ch. 5 - Calculate ix and vo in the circuit of Fig. 5.70....Ch. 5 - Refer to the op amp circuit in Fig. 5.71....Ch. 5 - Given the op amp circuit shown in Fig. 5.72,...Ch. 5 - Design a noninverting amplifier with a gain of...Ch. 5 - For the circuit shown in Fig. 5.73, find the...Ch. 5 - Determine the output of the summing amplifier in...Ch. 5 - Using Fig. 5.75, design a problem to help other...Ch. 5 - For the op amp circuit in Fig. 5.76, determine the...Ch. 5 - Referring to the circuit shown in Fig. 5.77,...Ch. 5 - An averaging amplifier is a summer that provides...Ch. 5 - The feedback resistor of a three-input averaging...Ch. 5 - The feedback resistor of a five-input averaging...Ch. 5 - Show that the output voltage vo of the circuit in...Ch. 5 - Design an op amp circuit to perform the following...Ch. 5 - Using only two op amps, design a circuit to solve...Ch. 5 - The circuit in Fig. 5.79 is for a difference...Ch. 5 - The circuit in Fig. 5.80 is a differential...Ch. 5 - Design a difference amplifier to have a gain of 4...Ch. 5 - Design a circuit to amplify the difference between...Ch. 5 - Using two op amps, design a subtractor.Ch. 5 - Design an op amp circuit such that vo = 4v1 + 6v2 ...Ch. 5 - The ordinary difference amplifier for fixed-gain...Ch. 5 - Determine the voltage transfer ratio vovs in the...Ch. 5 - In a certain electronic device, a three-stage...Ch. 5 - Using Fig. 5.83, design a problem to help other...Ch. 5 - Find vo in the op amp circuit of Fig. 5.84.Ch. 5 - Calculate io in the op amp circuit of Fig. 5.85....Ch. 5 - In the op amp circuit of Fig. 5.86, determine the...Ch. 5 - Calculate vo/vi in the op amp circuit of Fig....Ch. 5 - Determine vo in the circuit of Fig. 5.88. 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(a)...Ch. 5 - A four-bit R-2R ladder DAC is presented in Fig....Ch. 5 - In the op amp circuit of Fig. 5.104, find the...Ch. 5 - Design a voltage controlled ideal current source...Ch. 5 - Figure 5.105 displays a two-op-amp instrumentation...Ch. 5 - Figure 5.106 shows an instrumentation amplifier...Ch. 5 - Design a circuit that provides a relationship...Ch. 5 - The op amp circuit in Fig. 5.107 is a current...Ch. 5 - A noninverting current amplifier is portrayed in...Ch. 5 - Refer to the bridge amplifier shown in Fig. 5.109....Ch. 5 - A voltage-to-current converter is shown in Fig....
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