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Design. Let's say we want to power up an LED (diode D2) by placing it between Rc and the transistor. Assume that the forward voltage of the LED is 0.7V. Assume Vce,sat = 0.2V.

Design. Let's say we want to power up an LED (diode D2) by placing it between Rc and the transistor. Assume that the forward voltage of the LED is 0.7V. Assume Vce,sat = 0.2V.

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
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What is the desired current? Compute for the value of the desired current. 

Given: (see pic)

RC = 410 ohms

Design. Let's say we want to power up an LED (diode D2) by placing it between Rc and the transistor. Assume that the forward voltage of the LED is 0.7V. Assume Vce,sat = 0.2V. R_c 410 OHMS Vc +, -Vd D2 5 -Vce R_b Q1 27k 2N3904 Vi 4 What is the value of the desired current?
Transcribed Image Text:Design. Let's say we want to power up an LED (diode D2) by placing it between Rc and the transistor. Assume that the forward voltage of the LED is 0.7V. Assume Vce,sat = 0.2V. R_c 410 OHMS Vc +, -Vd D2 5 -Vce R_b Q1 27k 2N3904 Vi 4 What is the value of the desired current?
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