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) b) 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. Given that the biasing current of Figure 1(a) is I = 1 mA and the ac input signal is vid = 1.5 sin(wt) mV, find the corresponding ac output voltage at terminal 01 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).
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) b) 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. Given that the biasing current of Figure 1(a) is I = 1 mA and the ac input signal is vid = 1.5 sin(wt) mV, find the corresponding ac output voltage at terminal 01 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).
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text: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, V₁ = 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 vid = 1.5 sin(wt) mV, find the corresponding ac
output voltage at terminal 0₁ 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).
14kQ
Vid
o
+12 V
Vol
VI
02
Figure 1(a)
|14ΚΩ
+12 V
R
Figure 1(b)
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