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Q1. Figure 1 shows (a) a differential amplifier and (b) a current mirror. All transistors in the circuit are identical and their parameters are: VBE = 0.7 V, VT = 0.026 V, and ẞ = 150. a) Given that the biasing current of Figure 1(a) is I = 1 mA, determine the dc voltages at the output terminals of the differential amplifier. b) Given that the biasing current of Figure 1(a) is I = 1 mA and the ac input signal is via = 1.5 sin(wt) mv, find the corresponding ac output voltage at terminal vo₁ of the differential amplifier. c) In order to provide an output current of 1 mA using on Figure 1(b), find the value for the resistor, R, in Figure 1(b). 14 ΚΩ +12 V Vid VI 14 ΚΩ R +12 V Figure 1(a) Figure 1(b)

Q1. Figure 1 shows (a) a differential amplifier and (b) a current mirror. All transistors in the circuit are identical and their parameters are: VBE = 0.7 V, VT = 0.026 V, and ẞ = 150. a) Given that the biasing current of Figure 1(a) is I = 1 mA, determine the dc voltages at the output terminals of the differential amplifier. b) Given that the biasing current of Figure 1(a) is I = 1 mA and the ac input signal is via = 1.5 sin(wt) mv, find the corresponding ac output voltage at terminal vo₁ of the differential amplifier. c) In order to provide an output current of 1 mA using on Figure 1(b), find the value for the resistor, R, in Figure 1(b). 14 ΚΩ +12 V Vid VI 14 ΚΩ R +12 V Figure 1(a) Figure 1(b)

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q1. Figure 1 shows (a) a differential amplifier and (b) a current mirror. All transistors in the circuit are identical and their parameters are: VBE = 0.7 V, VT = 0.026 V, and ẞ = 150. a) Given that the biasing current of Figure 1(a) is I = 1 mA, determine the dc voltages at the output terminals of the differential amplifier. b) Given that the biasing current of Figure 1(a) is I = 1 mA and the ac input signal is via = 1.5 sin(wt) mv, find the corresponding ac output voltage at terminal vo₁ of the differential amplifier. c) In order to provide an output current of 1 mA using on Figure 1(b), find the value for the resistor, R, in Figure 1(b).
Transcribed Image Text:Q1. Figure 1 shows (a) a differential amplifier and (b) a current mirror. All transistors in the circuit are identical and their parameters are: VBE = 0.7 V, VT = 0.026 V, and ẞ = 150. a) Given that the biasing current of Figure 1(a) is I = 1 mA, determine the dc voltages at the output terminals of the differential amplifier. b) Given that the biasing current of Figure 1(a) is I = 1 mA and the ac input signal is via = 1.5 sin(wt) mv, find the corresponding ac output voltage at terminal vo₁ of the differential amplifier. c) In order to provide an output current of 1 mA using on Figure 1(b), find the value for the resistor, R, in Figure 1(b).
14 ΚΩ +12 V Vid VI 14 ΚΩ R +12 V Figure 1(a) Figure 1(b)
Transcribed Image Text:14 ΚΩ +12 V Vid VI 14 ΚΩ R +12 V Figure 1(a) Figure 1(b)
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