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18 V + 1.6 ΚΩ 5 ΚΩ Σ1 ΚΩ Rf •9V : 10.4 ΚΩ

18 V + 1.6 ΚΩ 5 ΚΩ Σ1 ΚΩ Rf •9V : 10.4 ΚΩ

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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The resistor Rf in the circuit attached is adjusted until the ideal op amp saturates. Specify Rf in kilo-ohms.
**Operational Amplifier Circuit** The diagram provided illustrates an operational amplifier (op-amp) circuit, which is a common configuration in electronics. Detailed below is a step-by-step description of the components and their connections in the circuit. ### Components and Connections: 1. **Voltage Source:** - The circuit begins with an 18V voltage source, depicted as a circle enclosing the symbol '+' and '-'. 2. **Resistors:** - **1.6kΩ Resistor:** Connected from the positive terminal of the 18V voltage source to a node. - **5kΩ Resistor:** Connected in series with the 1.6kΩ resistor, forming a resistor network. - **1kΩ Resistor:** Connected from the first node (between the 1.6kΩ and 5kΩ resistors) to the ground. - **10.4kΩ Resistor:** Connected from the output of the op-amp to the ground. 3. **Operational Amplifier:** - **Non-Inverting Input (+):** This input is connected to the first node, which is between the series connection of the 1.6kΩ and 5kΩ resistors, and the 1kΩ resistor that is connected to the ground. - **Inverting Input (-):** Connected to a node in the feedback loop. - **Power Supply:** The op-amp is powered by two voltage supplies: +9V at the positive supply terminal and -9V at the negative supply terminal. 4. **Feedback Resistor (Rf):** - A resistor, denoted as R_f, is connected from the output of the op-amp back to the inverting input (-), forming a feedback loop. ### Circuit Operation: - The 18V voltage source provides the input power to the circuit. - The resistor network composed of 1.6kΩ, 5kΩ, and 1kΩ resistors sets up the initial conditions for the voltage that will be fed into the non-inverting input of the op-amp. - The op-amp, powered by ±9V supplies, amplifies the voltage difference between its inverting (-) and non-inverting (+) inputs. - The feedback resistor R_f stabilizes the op-amp by feeding part of the output back to the inverting input. - Finally, the 10.4kΩ resistor connected
Transcribed Image Text:**Operational Amplifier Circuit** The diagram provided illustrates an operational amplifier (op-amp) circuit, which is a common configuration in electronics. Detailed below is a step-by-step description of the components and their connections in the circuit. ### Components and Connections: 1. **Voltage Source:** - The circuit begins with an 18V voltage source, depicted as a circle enclosing the symbol '+' and '-'. 2. **Resistors:** - **1.6kΩ Resistor:** Connected from the positive terminal of the 18V voltage source to a node. - **5kΩ Resistor:** Connected in series with the 1.6kΩ resistor, forming a resistor network. - **1kΩ Resistor:** Connected from the first node (between the 1.6kΩ and 5kΩ resistors) to the ground. - **10.4kΩ Resistor:** Connected from the output of the op-amp to the ground. 3. **Operational Amplifier:** - **Non-Inverting Input (+):** This input is connected to the first node, which is between the series connection of the 1.6kΩ and 5kΩ resistors, and the 1kΩ resistor that is connected to the ground. - **Inverting Input (-):** Connected to a node in the feedback loop. - **Power Supply:** The op-amp is powered by two voltage supplies: +9V at the positive supply terminal and -9V at the negative supply terminal. 4. **Feedback Resistor (Rf):** - A resistor, denoted as R_f, is connected from the output of the op-amp back to the inverting input (-), forming a feedback loop. ### Circuit Operation: - The 18V voltage source provides the input power to the circuit. - The resistor network composed of 1.6kΩ, 5kΩ, and 1kΩ resistors sets up the initial conditions for the voltage that will be fed into the non-inverting input of the op-amp. - The op-amp, powered by ±9V supplies, amplifies the voltage difference between its inverting (-) and non-inverting (+) inputs. - The feedback resistor R_f stabilizes the op-amp by feeding part of the output back to the inverting input. - Finally, the 10.4kΩ resistor connected
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