Voltage Divider Transistor Biasing Fig. 3MeasuredVccIcVc = Vc- Rdc = VE+ VEIs:VE = IERE = VB - VeEVE = Vc - VE = Vc- I(RC+ RE)Re2VacRei+ Re2)Re1RcVe = Vee+ VE = VRE2 =B(DC)VcVeIe2 =Re2Vc- VeRe1VNIgVeVaVCEIg1Ig+ IB2Ig2VeVesVEle =VCERg+ (1+B)REIc = B(DGIBVEIE = Ic+ Ig =RB2IEREIgREB = Ic/lgFig. 3E ParametersFirst BDifferent B C. Voltage Divider Transistor Biasing:1. Construct the circuit using resistors Rc = 470 Q, Rg = 380 Q, R82 = 10 KQ, and apotentiometer RB1=100 K2 shown in Fig. 3. Adjust voltage Vcc to 15 V.2. Adjust the potentiometer mechanism until voltage value of Vc equal to 7V, thenmeasure value of the potentiometer and record this value.3. Measure passing currents from collector and base and record in Table 1. or measureVRC then calculate by following formula:VRCIcRc4. Draw the load line making necessary calculations and show the operating (Q) point.5. Use a transistor with a different value of B, repeat step 3 and record measured values inTable 1.6. Looking at the changing values of ß, VCg. Ic, what is the most stable circuit? Explain.

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Answered: Voltage Divider Transistor Biasing

Engineering

Electrical Engineering

Voltage Divider Transistor Biasing

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

Voltage Divider Transistor Biasing

Fig. 3
Measured
Vcc
Ic
Vc = Vc- Rdc = VE+ VE
Is:
VE = IERE = VB - VeE
VE = Vc - VE = Vc- I(RC+ RE)
Re2
Vac
Rei+ Re2)
Re1
Rc
Ve = Vee+ VE = VRE2 =
B(DC)
Vc
Ve
Ie2 =
Re2
Vc- Ve
Re1
VN
Ig
Ve
Va
VCE
Ig1
Ig+ IB2
Ig2
Ve
Ves
VE
le =
VCE
Rg+ (1+B)RE
Ic = B(DGIB
VE
IE = Ic+ Ig =
RB2
IE
RE
Ig
RE
B = Ic/lg
Fig. 3
E Parameters
First B
Different B

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