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The figure shows an instrumentation amplifier driven by a bridge. Obtain the gain vdviof the amplifier, where R= 3 ΚΩ. 500 ΚΩ 25 ΚΩ www www 20 ΚΩ 40 ΚΩ 30 ΚΩ 80 ΚΩ 10 ΚΩ R 10 ΚΩ www 25 ΚΩ 500 ΚΩ + The voltage gain of the given circuit is vo/vi= 13.2 %

The figure shows an instrumentation amplifier driven by a bridge. Obtain the gain vdviof the amplifier, where R= 3 ΚΩ. 500 ΚΩ 25 ΚΩ www www 20 ΚΩ 40 ΚΩ 30 ΚΩ 80 ΚΩ 10 ΚΩ R 10 ΚΩ www 25 ΚΩ 500 ΚΩ + The voltage gain of the given circuit is vo/vi= 13.2 %

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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**Instrumentation Amplifier Driven by a Bridge** The diagram illustrates an instrumentation amplifier circuit that is driven by a bridge configuration. The objective is to determine the gain \( v_o/v_i \) of the amplifier, given that \( R = 3 \, \text{k}\Omega \). **Description of the Circuit:** - **Resistors in the Bridge:** - 20 kΩ - 30 kΩ - 40 kΩ - 80 kΩ - **Operational Amplifiers (Op-Amps):** - Three op-amps are used in the circuit. - Each op-amp has resistors connected as part of the configuration: - The resistors connected to the first op-amp are 10 kΩ and \( R \). - The resistors connected to the second op-amp are also 10 kΩ and 25 kΩ. - The resistors connected to the third op-amp are 25 kΩ. - **Other Resistors:** - Two 500 kΩ resistors are connected to the outputs of the second and third op-amps. **Gain Calculation:** - The voltage gain of this circuit is calculated as \( v_o/v_i \). - Given information includes \( R = 3 \, \text{k}\Omega \). **Gain Result:** - The calculated voltage gain for this setup is \( v_o/v_i = 13.2 \). This detailed breakdown of the circuit provides insight into how the instrumentation amplifier is structured and analyzes its components to derive the gain.
Transcribed Image Text:**Instrumentation Amplifier Driven by a Bridge** The diagram illustrates an instrumentation amplifier circuit that is driven by a bridge configuration. The objective is to determine the gain \( v_o/v_i \) of the amplifier, given that \( R = 3 \, \text{k}\Omega \). **Description of the Circuit:** - **Resistors in the Bridge:** - 20 kΩ - 30 kΩ - 40 kΩ - 80 kΩ - **Operational Amplifiers (Op-Amps):** - Three op-amps are used in the circuit. - Each op-amp has resistors connected as part of the configuration: - The resistors connected to the first op-amp are 10 kΩ and \( R \). - The resistors connected to the second op-amp are also 10 kΩ and 25 kΩ. - The resistors connected to the third op-amp are 25 kΩ. - **Other Resistors:** - Two 500 kΩ resistors are connected to the outputs of the second and third op-amps. **Gain Calculation:** - The voltage gain of this circuit is calculated as \( v_o/v_i \). - Given information includes \( R = 3 \, \text{k}\Omega \). **Gain Result:** - The calculated voltage gain for this setup is \( v_o/v_i = 13.2 \). This detailed breakdown of the circuit provides insight into how the instrumentation amplifier is structured and analyzes its components to derive the gain.
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