4. (a) A transistor circuit is shown in Fig. 8. The transistor parameters (when applicable) are VCE(SAT) 0.2V, VBE = 0.7V, and B = 85. Perform a DC analysis to determine the operating point (IC, VCE) and determine the region of operation of the transistor. -0 Vcc (6V) Ic 33 ΚΩ R₁ + 10 μF HH VCE 10 μF Vin 27 ΚΩ R₂ RE 14 ΚΩ ☐ 100: Ω Figure 8: Transistor circuit. (b) An attempt to design a common-emitter amplifier goes wrong and on closer inspection you discover that the transistor is permananently saturated. The offending circuit is shown below in Fig. 9. Assuming VCE(SAT) = 0.2V and VBE = 0.7V, compute the collector current Ic. Note: When saturated Ic BIB, but IE IB + Ic is always true. = ° Vcc (6V) Rc 4ΚΩ 33 ΚΩ R₁ Ic + VCE(SAT) IB IE 27 ΚΩΙ R₂ RE 12 ΚΩ Figure 9: Failed common-emitter amplifier.

4. (a) A transistor circuit is shown in Fig. 8. The transistor parameters (when applicable) are VCE(SAT) 0.2V, VBE = 0.7V, and B = 85. Perform a DC analysis to determine the operating point (IC, VCE) and determine the region of operation of the transistor. -0 Vcc (6V) Ic 33 ΚΩ R₁ + 10 μF HH VCE 10 μF Vin 27 ΚΩ R₂ RE 14 ΚΩ ☐ 100: Ω Figure 8: Transistor circuit. (b) An attempt to design a common-emitter amplifier goes wrong and on closer inspection you discover that the transistor is permananently saturated. The offending circuit is shown below in Fig. 9. Assuming VCE(SAT) = 0.2V and VBE = 0.7V, compute the collector current Ic. Note: When saturated Ic BIB, but IE IB + Ic is always true. = ° Vcc (6V) Rc 4ΚΩ 33 ΚΩ R₁ Ic + VCE(SAT) IB IE 27 ΚΩΙ R₂ RE 12 ΚΩ Figure 9: Failed common-emitter amplifier.

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...

See similar textbooks

Similar questions

Ans
basic electronics please give full answer thanks a) Briefly explain regions of operations of BJT and what are the applications of each region? b) Determine the Q-point for following circuit. Also find new Q-point if value of changes to 150.
Given the emitter follower schematic below and the following information: Vi = 2V β = 100 VCE,Sat = 0V VBE,On = 0.7V VFWD = 0.7V (Forward voltage of diode) Determine the values of VB (Base Voltage) and V0 (Output/Emitter Voltage).Also, determine the state of operation of the BJT and the diode.
QUESTION 8: A Widlar current source has the configuration shown in the following figure. Assume the bias voltages of V* = 7.5 V and V = -7.5 V. Also assume VBE1 = 0.7 V. Design the circuit such that IREF=1.2 mA and Io=13 µA. Format : 68.642879589768 Format : 3.0902422522623 R1 (kN) RE (kN) V+ Ic2 = lo IREF R1 Ro oVc2 Q2 + + V BEI VBE2 IE2 RE V-
For a circuit containing 1 SCR and a resistive load of 10 ohms and supply of 220V, 50HZ and the firing angle is adjusted at 60°. The d.c. output voltage is calculated as a. 71.2 V b. 70.2 V C. 742 V d. 74.2V
draw a qpsk demodulation circuit using circuit components for instance resistors, capacitors, transistors etc
5. The BJT in the circuit is used to drive an LED. + RB = 10 ΚΩ Vin VF The transistor has the following parameters: BDC(min) = 40 VCE (sat) = 0.2 V VF = 2.2 V VBE = 0.7 V IF = 25 mA Rc 12 V a. Calculate the value of Rc required. b. Calculate the minimum value of Vin to fully turn on the LED. c. Suggest one way increase the brightness of the LED
Find the time interval for which the transistor in the figure on next page will be in active region given that X= 22 and Y=07. X volts Vee X+Y ohms For VBB. time period is 2 seconds and the Vp=50v Hint: use v(t) = Vpsin (2nt/T+0)
Figure shows the open circuit failures in a transistor. What will be the circuit behaviour in each case ?
Answer is c 21. The following two DC operating points are measured for an NPN transistor. The first operating point is: VBEI = 0.7 V, VCE1 = 3 V, Icı = 1 mA. The second operating point is: VBE2 = 0.7 V, VcCE2 = 9.5 V, Ic2 = 1.1 mA. Find the Early voltage VA (in V). a) 53 b) 50 c) 62 d) 56 e) 59
G2/0.Desgn Circint as the fallowing peseriptom: A- the positive Cycle of the vout signal is 3.2 and Negatne cycle is 4-3 (Note: we must used preetical Diodes and vin is tov) B- the positive cycles of vout is 5:3 and Negative cycle is (5. 4) [note:consider tovavd we must used Capaetor with praetical Diade) Vin =
Draw the circuit under dc condition and determine the quiescent currents (ICQ1 and ICQ2) of both transistors.