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3.For the op amp circuit shown, determine the value of VI in order to make Vo =-14 V 30 KL 15KQ 3V + + Vo the

3.For the op amp circuit shown, determine the value of VI in order to make Vo =-14 V 30 KL 15KQ 3V + + Vo the

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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**Op Amp Circuit Analysis** **Problem Statement:** For the op amp circuit shown, determine the value of \( V_1 \) in order to make \( V_o = 14 \, \text{V} \). **Circuit Description:** - The circuit is based on a single operational amplifier (op amp). - Inputs are given as three different voltage sources: - \( 3 \, \text{V} \) - \( V_1 \) (unknown, to be determined) - \( -2 \, \text{V} \) **Resistors Configuration:** - Three resistors are connected to the inverting input (\(-\)) of the op amp: - \( 15 \, \text{k}\Omega \) resistor connected to the \( 3 \, \text{V} \) source - \( 10 \, \text{k}\Omega \) resistor connected to the \( V_1 \) source - \( 6 \, \text{k}\Omega \) resistor connected to the \(-2 \, \text{V} \) source - A feedback resistor of \( 30 \, \text{k}\Omega \) is connected between the output and the inverting input (\(-\)) of the op amp. **Non-Inverting Input:** - The non-inverting input (\(+\)) is grounded. **Objective:** - Calculate the value of \( V_1 \) to achieve an output voltage \( V_o \) of \( 14 \, \text{V} \). This circuit performs a weighted summation of the input voltages at the inverting terminal, and you need to apply the concept of superposition and op amp linear characteristics to solve for \( V_1 \).
Transcribed Image Text:**Op Amp Circuit Analysis** **Problem Statement:** For the op amp circuit shown, determine the value of \( V_1 \) in order to make \( V_o = 14 \, \text{V} \). **Circuit Description:** - The circuit is based on a single operational amplifier (op amp). - Inputs are given as three different voltage sources: - \( 3 \, \text{V} \) - \( V_1 \) (unknown, to be determined) - \( -2 \, \text{V} \) **Resistors Configuration:** - Three resistors are connected to the inverting input (\(-\)) of the op amp: - \( 15 \, \text{k}\Omega \) resistor connected to the \( 3 \, \text{V} \) source - \( 10 \, \text{k}\Omega \) resistor connected to the \( V_1 \) source - \( 6 \, \text{k}\Omega \) resistor connected to the \(-2 \, \text{V} \) source - A feedback resistor of \( 30 \, \text{k}\Omega \) is connected between the output and the inverting input (\(-\)) of the op amp. **Non-Inverting Input:** - The non-inverting input (\(+\)) is grounded. **Objective:** - Calculate the value of \( V_1 \) to achieve an output voltage \( V_o \) of \( 14 \, \text{V} \). This circuit performs a weighted summation of the input voltages at the inverting terminal, and you need to apply the concept of superposition and op amp linear characteristics to solve for \( V_1 \).
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