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4. BJT CIRCUIT You are presented with the following circuit diagram using 2 Silicon NPN BJTS, Q1 and Q2. It is known that B1 = 100 and B2 = 50 and Vactive = 0.7V.

4. BJT CIRCUIT You are presented with the following circuit diagram using 2 Silicon NPN BJTS, Q1 and Q2. It is known that B1 = 100 and B2 = 50 and Vactive = 0.7V.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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4. BJT CIRCUIT You are presented with the following circuit diagram using 2 Silicon NPN BJTS, Q1 and Q2. It is known that B1 = 100 and B2 = 50 and Vactive = 0.7V. 10V 4.7k 470 3V 470k QI (A). What can we say about the relationship between IF1, the emitter current of BJT 1, and IB2, the base current of BJT 2? (B). If Q1 is on, is Q2 on or off? Explain your reasoning. If Q1 is off, is Q2 on or off? Explain your reasoning. (C). Calculate Ic2. ww ww
Transcribed Image Text:4. BJT CIRCUIT You are presented with the following circuit diagram using 2 Silicon NPN BJTS, Q1 and Q2. It is known that B1 = 100 and B2 = 50 and Vactive = 0.7V. 10V 4.7k 470 3V 470k QI (A). What can we say about the relationship between IF1, the emitter current of BJT 1, and IB2, the base current of BJT 2? (B). If Q1 is on, is Q2 on or off? Explain your reasoning. If Q1 is off, is Q2 on or off? Explain your reasoning. (C). Calculate Ic2. ww ww
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