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ro1 & ro2 Rout IC1 Rin Av 300 120 0.25 60 600 10 30

ro1 & ro2 Rout IC1 Rin Av 300 120 0.25 60 600 10 30

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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ro1 & ro2 Rout IC1 Rin Av 300 120 0.25 60 600 10 30 5 U
Transcribed Image Text:ro1 & ro2 Rout IC1 Rin Av 300 120 0.25 60 600 10 30 5 U
Transistor Q₁ in the circuit shown below is operating as a CE amplifier with an active load provided by transistor Q2. Q2 and Q3 are identical and form a current mirror where the biasing current is provided by the collector of Q2. (Note that the biasing arrangement for Q₁ is not shown.) Assuming that their VBE 0.7V and R₁ = 9.2k (a) Neglecting the finite base currents of Q2 and Q3, find the current in the collector of Q₁ in milli-Amps. (b) If Q₁ and Q₂ are specified to have and Early voltage |VA| = 30 V, find ro1 kilo-ohms. Note that since the collector currents in Q₁ and Q2 are equal, ro1 = ro2 (c) Find ₁ and gm1 assuming that B₁ = 50. (d) Find Rin Av I, and the output resistance Rout- Express the resistances in k ww R₁ Q3 +3V Vi Q₁ Q2 •Vo and ro2 in
Transcribed Image Text:Transistor Q₁ in the circuit shown below is operating as a CE amplifier with an active load provided by transistor Q2. Q2 and Q3 are identical and form a current mirror where the biasing current is provided by the collector of Q2. (Note that the biasing arrangement for Q₁ is not shown.) Assuming that their VBE 0.7V and R₁ = 9.2k (a) Neglecting the finite base currents of Q2 and Q3, find the current in the collector of Q₁ in milli-Amps. (b) If Q₁ and Q₂ are specified to have and Early voltage |VA| = 30 V, find ro1 kilo-ohms. Note that since the collector currents in Q₁ and Q2 are equal, ro1 = ro2 (c) Find ₁ and gm1 assuming that B₁ = 50. (d) Find Rin Av I, and the output resistance Rout- Express the resistances in k ww R₁ Q3 +3V Vi Q₁ Q2 •Vo and ro2 in
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