2. Figure 2 (a) shows a BJT cascode amplifier with a cascode active load. Figure 2 (b) is the corresponding small signal
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2. Figure 2 (a) shows a BJT cascode amplifier with a cascode active load. Figure 2 (b) is the corresponding small signal
2. Figure 2 (a) shows a BJT cascode amplifier with a cascode active load. Figure 2 (b) is the corresponding small signal equivalent circuit for Q1 and Q2 in Figure 2 (a). The transistor parameters are ß = 120 and Vi = 80 V. Assume 9m >>V, = 0.026 V. The Vpe voltage is such that all transistors are biased in the active region. Determine the small signal voltage gain Av (15 marks) VSV es V T انجمن را F 1 4 0 mia 3 rol 250 g Please refer to Neamen's book Page 697 for Roz derivation (b) (a)
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