15 VGs = 10V PULSE DURATION = 80µs DUTY CYCLE = 0.5% MAX %3D 12 VGs = 6.0V VGs = 5.5V %3D VGs = 5.0V 3 VGs = 4.0V VGs = 4.5V 50 100 150 200 250 Vps, DRAIN TO SOURCE VOLTAGE (V) Figure 9.36. I-V curve of the IRF840 MOSFET (with permission from Fairchild Semiconductor, Inc.). (g) Suppose that the supply voltage is set to a value for which the FET is in the linear region. In this region, it acts like a resistor. What is its resistance? 13. For the MOSFET of Figure 9.36, (a) Find the threshold voltage. (b) If we have a 100-V power supply, for what range of loads can the MOSFET be used as a switch with VGS=6 V? (c) Estimate the ON resistance for VGS=6 V. Ip, DRAIN CURRENT (A)

15 VGs = 10V PULSE DURATION = 80µs DUTY CYCLE = 0.5% MAX %3D 12 VGs = 6.0V VGs = 5.5V %3D VGs = 5.0V 3 VGs = 4.0V VGs = 4.5V 50 100 150 200 250 Vps, DRAIN TO SOURCE VOLTAGE (V) Figure 9.36. I-V curve of the IRF840 MOSFET (with permission from Fairchild Semiconductor, Inc.). (g) Suppose that the supply voltage is set to a value for which the FET is in the linear region. In this region, it acts like a resistor. What is its resistance? 13. For the MOSFET of Figure 9.36, (a) Find the threshold voltage. (b) If we have a 100-V power supply, for what range of loads can the MOSFET be used as a switch with VGS=6 V? (c) Estimate the ON resistance for VGS=6 V. Ip, DRAIN CURRENT (A)

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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