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H.W: If you change the LED in Figure 4–25 to one that requires 50 mA for a specified light emission and you can’t increase the input amplitude above 5 V or VCC above 9 V, how would you modify the circuit? Specify the component(s) to be changed and the value(s). VCC= 9 V, VCE(sat)= 0.3 V, RC= 220 Ω, RB =3.3 kΩ, βDC= 50, and VLED= 1.6 V

H.W: If you change the LED in Figure 4–25 to one that requires 50 mA for a specified light emission and you can’t increase the input amplitude above 5 V or VCC above 9 V, how would you modify the circuit? Specify the component(s) to be changed and the value(s). VCC= 9 V, VCE(sat)= 0.3 V, RC= 220 Ω, RB =3.3 kΩ, βDC= 50, and VLED= 1.6 V

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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H.W: If you change the LED in Figure 4–25 to one that requires 50 mA for a specified light

emission and you can’t increase the input amplitude above 5 V or VCC above 9 V, how would you

modify the circuit? Specify the component(s) to be changed and the value(s).

VCC= 9 V, VCE(sat)= 0.3 V, RC= 220 Ω, RB =3.3 kΩ, βDC= 50, and VLED= 1.6 V

Vin ON 1s OFF ON RB www Figure 4-25 +Vcc Rc www
Transcribed Image Text:Vin ON 1s OFF ON RB www Figure 4-25 +Vcc Rc www
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