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In the differential amplifier shown below, find: Va (a) The differential mode gain (b) The common mode gain (c) the CMRR Vb R1 5 KQ ww ww R2 5KQ R3 95 kQ R4 100 k +10V -10V

In the differential amplifier shown below, find: Va (a) The differential mode gain (b) The common mode gain (c) the CMRR Vb R1 5 KQ ww ww R2 5KQ R3 95 kQ R4 100 k +10V -10V

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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In the differential amplifier shown below, find: (a) The differential mode gain (b) The common mode gain (c) The CMRR (Common Mode Rejection Ratio) **Circuit Details:** - **Inputs:** Two voltage sources \( V_a \) and \( V_b \) - **Resistors:** - \( R_1 = 5 \, \text{k}\Omega \) - \( R_2 = 5 \, \text{k}\Omega \) - \( R_3 = 95 \, \text{k}\Omega \) - \( R_4 = 100 \, \text{k}\Omega \) - **Operational Amplifier:** - Non-inverting input connected to \( V_b \) through \( R_2 \), and inverting input connected to \( V_a \) through \( R_1 \) - Feedback resistor \( R_4 \) connected between the output and the inverting input - \( R_3 \) connected between the inverting input and ground - Output voltage \( V_o \) **Output Characteristics:** - **Voltage Supply Limits:** \( +10 \, \text{V} \) and \( -10 \, \text{V} \) - The output \( V_o \) is measured across the operational amplifier with reference to ground.
Transcribed Image Text:In the differential amplifier shown below, find: (a) The differential mode gain (b) The common mode gain (c) The CMRR (Common Mode Rejection Ratio) **Circuit Details:** - **Inputs:** Two voltage sources \( V_a \) and \( V_b \) - **Resistors:** - \( R_1 = 5 \, \text{k}\Omega \) - \( R_2 = 5 \, \text{k}\Omega \) - \( R_3 = 95 \, \text{k}\Omega \) - \( R_4 = 100 \, \text{k}\Omega \) - **Operational Amplifier:** - Non-inverting input connected to \( V_b \) through \( R_2 \), and inverting input connected to \( V_a \) through \( R_1 \) - Feedback resistor \( R_4 \) connected between the output and the inverting input - \( R_3 \) connected between the inverting input and ground - Output voltage \( V_o \) **Output Characteristics:** - **Voltage Supply Limits:** \( +10 \, \text{V} \) and \( -10 \, \text{V} \) - The output \( V_o \) is measured across the operational amplifier with reference to ground.
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