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Consider the BJT common-emitter amplifier as shown in Fig. 1. The circuit parameters are given as Vcc = 5 V, Rs = 10 k2, RĻ = 10 k2, lo = 1 mA, and CĘ = 10 µF. and the transistor parameters are as following B = 100, VBE(on) = 0.7 V, VT = 26 mV, and VA = 100 V. (a) Draw the DC equivalent circuit and determine Q point values Icq and VCEQ- (b) Determine the small-signal parameters rn , gm , and ro of the transistor. (c) Draw the small-signal equivalent circuit and calculate the small-signal voltage gain A, = (d) Determine the input resistance R¡ and output resistance R.. vo/vs. Vcc Rs R. CE Vs R; Vo lo -Vcc Figure 1. Common-emitter amplifier circuit for Question 1

Consider the BJT common-emitter amplifier as shown in Fig. 1. The circuit parameters are given as Vcc = 5 V, Rs = 10 k2, RĻ = 10 k2, lo = 1 mA, and CĘ = 10 µF. and the transistor parameters are as following B = 100, VBE(on) = 0.7 V, VT = 26 mV, and VA = 100 V. (a) Draw the DC equivalent circuit and determine Q point values Icq and VCEQ- (b) Determine the small-signal parameters rn , gm , and ro of the transistor. (c) Draw the small-signal equivalent circuit and calculate the small-signal voltage gain A, = (d) Determine the input resistance R¡ and output resistance R.. vo/vs. Vcc Rs R. CE Vs R; Vo lo -Vcc Figure 1. Common-emitter amplifier circuit for Question 1

Introductory Circuit Analysis (13th Edition)
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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Consider the BJT common-emitter amplifier as shown in Fig. 1. The circuit parameters are given as Vcc = 5 V, Rs = 10 k2, RL = 10 kN, lo = 1 mA, and CE = 10 µF. %3D %3D %D %3D and the transistor parameters are as following B = 100, VBE(on) = 0.7 V, VT = 26 mV, and VA = 100 V. %3D %3D %3D (a) Draw the DC equivalent circuit and determine Q point values Ica and VCEQ. (b) Determine the small-signal parameters r, gm , and ro of the transistor. (c) Draw the small-signal equivalent circuit and calculate the small-signal voltage gain A, = Vo/vs. (d) Determine the input resistance Rj and output resistance Ro. Vcc Rs R. CE Vs (+ Vo lo -Vcc Figure 1. Common-emitter amplifier circuit for Question 1
Transcribed Image Text:Consider the BJT common-emitter amplifier as shown in Fig. 1. The circuit parameters are given as Vcc = 5 V, Rs = 10 k2, RL = 10 kN, lo = 1 mA, and CE = 10 µF. %3D %3D %D %3D and the transistor parameters are as following B = 100, VBE(on) = 0.7 V, VT = 26 mV, and VA = 100 V. %3D %3D %3D (a) Draw the DC equivalent circuit and determine Q point values Ica and VCEQ. (b) Determine the small-signal parameters r, gm , and ro of the transistor. (c) Draw the small-signal equivalent circuit and calculate the small-signal voltage gain A, = Vo/vs. (d) Determine the input resistance Rj and output resistance Ro. Vcc Rs R. CE Vs (+ Vo lo -Vcc Figure 1. Common-emitter amplifier circuit for Question 1
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