Using one NPN transistor, one PNP transistor, one general purpose diode, one LED and two resistors, design a constant current source that drives a constant current of 20 mA through the LED. The circuit is supplied with 10V from an ideal voltage source. The general purpose diode cannot handle more than 10 mA. You MUST use all six components given. { Calculate the resistance of the two resistors. The transistors and the diode use Silicon (VT = 0.7V). Both transistors have B = 500. %3D

Using one NPN transistor, one PNP transistor, one general purpose diode, one LED and two resistors, design a constant current source that drives a constant current of 20 mA through the LED. The circuit is supplied with 10V from an ideal voltage source. The general purpose diode cannot handle more than 10 mA. You MUST use all six components given. { Calculate the resistance of the two resistors. The transistors and the diode use Silicon (VT = 0.7V). Both transistors have B = 500. %3D

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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