Homework Answers
Assume all of the collector currents are the same, since
P = IC VCC = 2 mW
Given, VCC = 2.5 V
IC = P/VCC = 2/2.5 = 0.8 mA
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3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
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200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
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9.5. Suppose the circuit of Fig. 9.41 is real- shown in Fig. 9.42, where Q3 plays the role of /1. Assuming VAi VA2 VA,n and VA3 VA. p, determine the output impedance of the circuit. Rout Rout Vcc Vcc Vb1 a1 Vb3 V1 a Q2 Q Figure 9,42 Figure 9.41 HO 9.49. The current mirror shown in Fig. 9.74 must deliver 1 0.5 mA to a circuit with a total power budget of 2 mW....
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9.49. The current mirror shown in Fig. 9.74 must deliver I1= 0.5 mA to a circuit with total power budget of 2 mW. Assuming VA = 00 and...
3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
cause:
3.2. A differential amplifier resembling that below uses I =
200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
3.4.For the emitter follower in the figure below, given VCC =
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