Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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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-
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Transcribed Image Text: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-
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