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determine the output voltage

determine the output voltage

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
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determine the output voltage

This diagram represents an electrical circuit featuring an operational amplifier configured in a specific arrangement. Below is a detailed explanation of the components and connections: 1. **Voltage Sources**: - A 30V voltage source and a 25V voltage source are connected in parallel at the input section of the circuit. 2. **Resistors**: - A 15Ω resistor is connected in series with the 30V source. - A 5Ω resistor follows in series after the 15Ω resistor. - There is a 3Ω resistor connected to the ground from the non-inverting input of the operational amplifier (op-amp). - A 20Ω resistor connects the output to the inverting input, likely forming a feedback loop. 3. **Operational Amplifier (Op-Amp)**: - The op-amp is labeled as "IDEAL," implying it follows ideal op-amp assumptions, such as infinite input impedance, zero output impedance, and infinite gain. - The inverting input (-) receives feedback from the output through the 20Ω resistor. - The non-inverting input (+) is directly connected to the series arrangement of the voltage sources and resistors. 4. **Output**: - The output, labeled as point "A," provides the resultant voltage or signal after processing by the op-amp and associated components. This circuit demonstrates the use of an op-amp in a configuration that likely forms a summing amplifier, where multiple voltages are combined, processed through the resistor network and op-amp to produce a specified output at point A.
Transcribed Image Text:This diagram represents an electrical circuit featuring an operational amplifier configured in a specific arrangement. Below is a detailed explanation of the components and connections: 1. **Voltage Sources**: - A 30V voltage source and a 25V voltage source are connected in parallel at the input section of the circuit. 2. **Resistors**: - A 15Ω resistor is connected in series with the 30V source. - A 5Ω resistor follows in series after the 15Ω resistor. - There is a 3Ω resistor connected to the ground from the non-inverting input of the operational amplifier (op-amp). - A 20Ω resistor connects the output to the inverting input, likely forming a feedback loop. 3. **Operational Amplifier (Op-Amp)**: - The op-amp is labeled as "IDEAL," implying it follows ideal op-amp assumptions, such as infinite input impedance, zero output impedance, and infinite gain. - The inverting input (-) receives feedback from the output through the 20Ω resistor. - The non-inverting input (+) is directly connected to the series arrangement of the voltage sources and resistors. 4. **Output**: - The output, labeled as point "A," provides the resultant voltage or signal after processing by the op-amp and associated components. This circuit demonstrates the use of an op-amp in a configuration that likely forms a summing amplifier, where multiple voltages are combined, processed through the resistor network and op-amp to produce a specified output at point A.
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