For a common base configuration of BJT, if a = 0.94 and IC = 1.136 mA, calculate the current IE,O a. 0.8274 mAO b. 1.2085 mAO c. 2.3445 mAO d. 0.07 mA

Answered: For a common base configuration of BJT,…

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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Light-emitting diodes (LEDs) are diodes made with III-V compound semiconductor materials such as aluminum gallium arsenide (AlGaAs), aluminum indium gallium phosphide (AllnGaP) or indium gallium nitride (InGaN), instead of silicon. The LEDs emit light when the device is operated under forward bias. LEDs of different colors have different turn-on voltages VD(on). For example: Color VD(on) Red ~ 1.6 V Yellow ~ 1.7 V (a) Model these five LEDs with a simplified piecewise linear model. (b) A rule of thumb is that it takes about 1 mA of current to "light" an LED while~ 10 mA is needed for it to appear bright. Use the piecewise linear model for the LEDs, for the over-voltage indicator circuit to the right, find the values of Vin which will cause D₁ or D₂ to light (i.e. when ID1 or ID2 exceeds 1 mA). Green ~ 1.8 V Blue ~ 2.8 V loks o mu Vin Red LED Red LED White ~ 3.8 V + lov 21 D₁ D2 -10V o t Vout 오
Create the Diode Characteristic Curve for this data values. Diode Voltage (VD) Diode Current (ID) 0.890904 9.109 0.884515 7.115 0.876023 5.124 0.86333 3.137 0.837654 1.162 0.793023 0.206975 0.779114 0.120885 0.754079 0.04592 0.695273 0.004727 0.599882 0.000118256 0.499998 0.000002487 0.4 5.2464E-08 0.3 1.39E-09 0.2 2.23008E-10 0.1 1.00568E-10 0 0 -0.1 -1.0011E-09 -0.2 -2.00211E-09 -0.3 -3.0031E-09 -0.4 -4.00411E-09 -0.5 -5.0051E-09 -0.6 -6.0061E-09 -0.7 -7.0071E-09 -0.8 -8.0081E-09 -0.9 -9.00911E-09 -1 -1.001E-08 -2 -2.002E-08 -4 -4.004E-08 -6 -6.006E-08 -8 -8.008E-08 -10 -1.001E-07 -20 -2.002E-07 -40 -4.004E-07 -60 -6.006E-07 -80 -8.008E-07 -100 -0.000001001 -200 -0.000002002 -300 -0.000003003 -400 -0.000004004 -500 -0.000005005
#4(a) An 8.2 V (8.2 V at 25 °C) has a positive temperature coefficient of 5.4 mV/°C. What is the output voltage if the temperature rises to 90° C? Page | 4 b) Name two applications of the Zener Diode

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For a common base configuration of BJT, if a = 0.94 and IC = 1.136 mA, calculate the current IE, O a. 0.8274 mA O b. 1.2085 mA O C. 2.3445 mA O d. 0.07 mA