A motor is controlled by a H-bridge which can connect + or - 10V to the motor. Thus the voltage across the motor can be either +/- 5V or -+ 5V. An instrumentation amplifier, A1, is used to measure the motor current. If the motor draws up to ±1A and the motor current must be measured to within 10mA, what is the CMRR required for A1? Design Al using a 3-opamp instrumentation amplifier, considering only errors due to CMRR, indicating all resistor values and tolerances. The instrumentation amplifier is powered by +15V Key question: What is the CMRR required? +5V

A motor is controlled by a H-bridge which can connect + or - 10V to the motor. Thus the voltage across the motor can be either +/- 5V or -+ 5V. An instrumentation amplifier, A1, is used to measure the motor current. If the motor draws up to ±1A and the motor current must be measured to within 10mA, what is the CMRR required for A1? Design Al using a 3-opamp instrumentation amplifier, considering only errors due to CMRR, indicating all resistor values and tolerances. The instrumentation amplifier is powered by +15V Key question: What is the CMRR required? +5V

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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