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...

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