(a) What are the output currents in the circuit shown in P16.16 (a)if the area of transistor Q1 is changed to 2A, and R = 60 kΩ? Use βFO = 120 and VA =75 V. (b) Repeat for P16.16(b). 12 V오3VQ28.3 A(a) 12 V3 Vlo2losOsQ2A.5 A8.3 A(b)

Answered: 12 V 오3V Q2 8.3 A (a) 12 V 3 V lo2 los…

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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Question

(a) What are the output currents in the circuit shown in P16.16 (a)if the area of transistor Q₁ is changed to 2A, and R = 60 kΩ? Use β_FO = 120 and V_A =75 V. (b) Repeat for P16.16(b).

Expert Solution

Step 1

Given:

(a) What are the output currents in the circuit shown in P16.16 (a)if the area of transistor Q₁ is changed to 2A, and R = 60 kΩ? Use β_FO = 120 and V_A =75 V. (b) Repeat for P16.16(b).

Step 2

The BJT current mirror circuit as following below,

Step 3

To find the reference current as shown below,

Substituting the values as shown below,

To find the output current (I_O2) as shown below,

Step 4

The summation as shown below,

Substituting the values as shown below,

Step 5

To find the output current (I_O3) as shown below,

The summation as shown below,

Substituting the values as shown below,

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