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5. Calculate the theoretical minimum value of RL required for putting the zener diode in the zener breakdown region for the regulator circuit of Fig.8. What value of load resistance results in the maximum zener current? Determine the maximum zener current Izimax) in this case and compare it with IzM-

5. Calculate the theoretical minimum value of RL required for putting the zener diode in the zener breakdown region for the regulator circuit of Fig.8. What value of load resistance results in the maximum zener current? Determine the maximum zener current Izimax) in this case and compare it with IzM-

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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4. For the zener diode voltage regulator circuit of Fig.8, sketch the relation between V and IL (VL versus I). Plot the relation between Is and R. Sketch also the relation between Iz and I. Comment on the resulting curves. 5. Calculate the theoretical minimum value of R required for putting the zener diode in the zener breakdown region for the regulator circuit of Fig.8. What value of load resistance results in the maximum zener current? Determine the maximum zener current Iz(mar) in this case and compare it with IZM. 6. Plot the relation between V and Vin for the voltage regulator circuit in Fig.9, and comment on the resulting sketch. From this sketch, determine the minimum value of input voltage required to turn-on the zener diode. 7. Calculate the theoretical minimum value of Vin required to turn-on the zener diode in the voltage regulator circuit of Fig.9. Determine also the maximum permissible value of Vin knowing that the maximum DC power dissipation of the BZX55C5V1 zener diode is 0.5W. 8. Explain the difference between line regulation and load regulation. Rs mA 330 0, 2W V 15V R BZX55C5V1 5.1V Zener Figure 8: Practical Circuit for Zener Diode Voltage Regulator with Variable Load Resistor mA 330 0, Va R 0- 15V V. 1kn, 2W BZX55C5V1 5.1V Zener Figure 9: Practical Circuit for Zener Diode Voltage Regulator with Variable Input Voltage
Transcribed Image Text:4. For the zener diode voltage regulator circuit of Fig.8, sketch the relation between V and IL (VL versus I). Plot the relation between Is and R. Sketch also the relation between Iz and I. Comment on the resulting curves. 5. Calculate the theoretical minimum value of R required for putting the zener diode in the zener breakdown region for the regulator circuit of Fig.8. What value of load resistance results in the maximum zener current? Determine the maximum zener current Iz(mar) in this case and compare it with IZM. 6. Plot the relation between V and Vin for the voltage regulator circuit in Fig.9, and comment on the resulting sketch. From this sketch, determine the minimum value of input voltage required to turn-on the zener diode. 7. Calculate the theoretical minimum value of Vin required to turn-on the zener diode in the voltage regulator circuit of Fig.9. Determine also the maximum permissible value of Vin knowing that the maximum DC power dissipation of the BZX55C5V1 zener diode is 0.5W. 8. Explain the difference between line regulation and load regulation. Rs mA 330 0, 2W V 15V R BZX55C5V1 5.1V Zener Figure 8: Practical Circuit for Zener Diode Voltage Regulator with Variable Load Resistor mA 330 0, Va R 0- 15V V. 1kn, 2W BZX55C5V1 5.1V Zener Figure 9: Practical Circuit for Zener Diode Voltage Regulator with Variable Input Voltage
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