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Numbers 10 and 13

Numbers 10 and 13

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Numbers 10 and 13.

**Section 13–2: Summing Amplifiers** 9. **Determine the output voltage for each circuit in Figure 13–65.** - *Figure 13–65:* - Two op-amp configurations are shown: - **(a):** Three resistors (10 kΩ each) connected to an op-amp, with input voltages of +1 V, +1.5 V, and ground. The output voltage, \(V_{OUT}\), is to be determined. - **(b):** Three resistors (10 kΩ each) with input voltages of 0.1 V, 0.5 V, and ground connected through an op-amp to a 22 kΩ resistor to the output, \(V_{OUT}\). 10. **Refer to Figure 13–66. Determine the following:** - *Figure 13–66:* - An op-amp configuration with: - \(R_1 = 10\:k\Omega\) - \(R_2 = 22\:k\Omega\) - Input voltages of +1 V and +1.8 V. - Determine: - (a) \(V_{R1}\) and \(V_{R2}\) - (b) Current through \(R_f\) - (c) \(V_{OUT}\) 11. **Find the value of \(R_f\) necessary to produce an output that is five times the sum of the inputs in Figure 13–66.** 12. **Show a summing amplifier that will average eight input voltages. Use input resistances of 10 kΩ each.** 13. **Find the output voltage when the input voltages shown in Figure 13–67 are applied to the scaling adder. What is the current through \(R_f\)?** - *Figure 13–67:* - Different resistors and input voltages are: - \(V_{IN1} = +2\:V\) with \(R_1 = 10\:k\Omega\) - \(V_{IN2} = +3\:V\) with \(R_2 = 33\:k\Omega\) - \(V_{IN3} = +3\:V\) with \(R_3 = 91\:k\Omega\) -
Transcribed Image Text:**Section 13–2: Summing Amplifiers** 9. **Determine the output voltage for each circuit in Figure 13–65.** - *Figure 13–65:* - Two op-amp configurations are shown: - **(a):** Three resistors (10 kΩ each) connected to an op-amp, with input voltages of +1 V, +1.5 V, and ground. The output voltage, \(V_{OUT}\), is to be determined. - **(b):** Three resistors (10 kΩ each) with input voltages of 0.1 V, 0.5 V, and ground connected through an op-amp to a 22 kΩ resistor to the output, \(V_{OUT}\). 10. **Refer to Figure 13–66. Determine the following:** - *Figure 13–66:* - An op-amp configuration with: - \(R_1 = 10\:k\Omega\) - \(R_2 = 22\:k\Omega\) - Input voltages of +1 V and +1.8 V. - Determine: - (a) \(V_{R1}\) and \(V_{R2}\) - (b) Current through \(R_f\) - (c) \(V_{OUT}\) 11. **Find the value of \(R_f\) necessary to produce an output that is five times the sum of the inputs in Figure 13–66.** 12. **Show a summing amplifier that will average eight input voltages. Use input resistances of 10 kΩ each.** 13. **Find the output voltage when the input voltages shown in Figure 13–67 are applied to the scaling adder. What is the current through \(R_f\)?** - *Figure 13–67:* - Different resistors and input voltages are: - \(V_{IN1} = +2\:V\) with \(R_1 = 10\:k\Omega\) - \(V_{IN2} = +3\:V\) with \(R_2 = 33\:k\Omega\) - \(V_{IN3} = +3\:V\) with \(R_3 = 91\:k\Omega\) -
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