1) Your boss asked you to design a defibrillator with the following specifications: ● Assume that the defibrillator is modelled as a simple 1st order LTI system. ● ● ● The resistor in the charging circuit is 5kn. The charging time (from "empty") to within 1% of full charge value is no more than 3s from the moment the "charge" button is pressed. One can select to deliver either 75, 100 or 125 J of energy to the patient. The patient is modelled as a 500 resistor. Calculate the following: a) Draw either one or two circuit(s) representing the 2 situations: charging the capacitor and discharging it (i.e., defibrillating the patient's heart). b) What size capacitor is needed to achieve these specifications? c) Calculate the voltage supply needed to deliver the different amounts of energy specified. above. Hint: Energy in a capacitor can be calculated as Ec = CV2. d) How long does it take to deliver 99% of the charge to the patient? Hint: energy is the integration of power. e) Calculate the current flowing through the patient for each energy level as a result of defibrillation.

1) Your boss asked you to design a defibrillator with the following specifications: ● Assume that the defibrillator is modelled as a simple 1st order LTI system. ● ● ● The resistor in the charging circuit is 5kn. The charging time (from "empty") to within 1% of full charge value is no more than 3s from the moment the "charge" button is pressed. One can select to deliver either 75, 100 or 125 J of energy to the patient. The patient is modelled as a 500 resistor. Calculate the following: a) Draw either one or two circuit(s) representing the 2 situations: charging the capacitor and discharging it (i.e., defibrillating the patient's heart). b) What size capacitor is needed to achieve these specifications? c) Calculate the voltage supply needed to deliver the different amounts of energy specified. above. Hint: Energy in a capacitor can be calculated as Ec = CV2. d) How long does it take to deliver 99% of the charge to the patient? Hint: energy is the integration of power. e) Calculate the current flowing through the patient for each energy level as a result of defibrillation.

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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