Example 2:Design the bias circuit of the CE amplifier of Figure below to obtain I = 0.5 mA and Vc =+6 V. Design for a dc voltage at the base of 5 V and a current through R2 of 50 µA. LetVcc=+15 V, B = 100, and VBE ~0.7 V. Specify the values of RB1, R2, RE, and Re. Also give thevalues of the BJT small-signal parameters gm, r, and r, at the bias point. (For the calculation of rlet V₁ = 100 V.)Calculate the input resistance, the output resistance and AvoVsigRigwwwCCIRinRBV₂ = V₁RB2Rc Cc₂H₁OVRETHIRR₁마V24

Given values, IE=0.5mAIRB2=50μAVCC=15Vβ=100VC=6VVB=5VVBE=0.7VIE=IC=0.5mA

Example 2: Design the bias circuit of the CE amplifier of Figure below to obtain I = 0.5 mA and Vc +6 V. Design for a dc voltage at the base of 5 V and a current through R2 of 50 µA. Let Vcc=+15 V, B = 100, and VE~0.7 V. Specify the values of R1, R2, RE, and Re. Also give the values of the BJT small-signal parameters gm, r, and r, at the bias point. (For the calculation of r let V₁ = 100 V.) Calculate the input resistance, the output resistance and Avo Usig Rig www CCI RB RB2 Rc tu OV Cc₂ RE =C₂ OF R₂ V 24

Example 2: Design the bias circuit of the CE amplifier of Figure below to obtain I = 0.5 mA and Vc +6 V. Design for a dc voltage at the base of 5 V and a current through R2 of 50 µA. Let Vcc=+15 V, B = 100, and VE~0.7 V. Specify the values of R1, R2, RE, and Re. Also give the values of the BJT small-signal parameters gm, r, and r, at the bias point. (For the calculation of r let V₁ = 100 V.) Calculate the input resistance, the output resistance and Avo Usig Rig www CCI RB RB2 Rc tu OV Cc₂ RE =C₂ OF R₂ V 24

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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Question

Example 2:
Design the bias circuit of the CE amplifier of Figure below to obtain I = 0.5 mA and Vc =
+6 V. Design for a dc voltage at the base of 5 V and a current through R2 of 50 µA. Let
Vcc=+15 V, B = 100, and VBE ~0.7 V. Specify the values of RB1, R2, RE, and Re. Also give the
values of the BJT small-signal parameters gm, r, and r, at the bias point. (For the calculation of r
let V₁ = 100 V.)
Calculate the input resistance, the output resistance and Avo
Vsig
Rig
www
CCI
Rin
RB
V₂ = V₁
RB2
Rc Cc₂
H₁
OV
RE
THI
R
R₁
마
V
24

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Step 2: Determining the value of RB1,RB2,RC and RE through DC Analysis:

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Step 3: Determining the small signal parameters of BJT:

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Step 4: Determining input resistance and output resistance of circuit through AC Analysis:

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