2) Consider the multi-stage amplifier shown below. Determine Vin if Vo = 3.3V. Because ₂ is so small and le2 is so large, do NOT assume that Ib=0 and do NOT assume that I le Assume that both transistors are in Forward Active and each is described as follows: Q1: B₁ = 100, VBE(ON) = 0.7V Q2: B₂ = 14,VBE (ON) = 0.7V 10V Vin 10V T 2K Q1 500 V01 Q2 220 Vo

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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2) Consider the multi-stage amplifier shown below. Determine Vin if Vo = 3.3V. Because B₂ is so small and le2 is so
large, do NOT assume that Ib = 0 and do NOT assume that I le
Assume that both transistors are in Forward Active and each is described as follows:
Q1: B₁ = 100, VBE (ON) = 0.7V
Q2: B₂ = 14, VBE (ON) = 0.7V
10V
Vin
10V
Ţ
Hll.
2K
Q1
500
Vo1
Q2
220
Vo
Transcribed Image Text:2) Consider the multi-stage amplifier shown below. Determine Vin if Vo = 3.3V. Because B₂ is so small and le2 is so large, do NOT assume that Ib = 0 and do NOT assume that I le Assume that both transistors are in Forward Active and each is described as follows: Q1: B₁ = 100, VBE (ON) = 0.7V Q2: B₂ = 14, VBE (ON) = 0.7V 10V Vin 10V Ţ Hll. 2K Q1 500 Vo1 Q2 220 Vo
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