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The common-base stage of the following figure is biased with a collector current of 2 mA. Assume IS = 8×10−16 A, β = 100, and VA = ∞. (a) Calculate the voltage gain and I/O impedances of the circuit. (b) How should Vb and RC be chosen to maximize the voltage gain with a bias current of 2 mA?

The common-base stage of the following figure is biased with a collector current of 2 mA. Assume IS = 8×10−16 A, β = 100, and VA = ∞. (a) Calculate the voltage gain and I/O impedances of the circuit. (b) How should Vb and RC be chosen to maximize the voltage gain with a bias current of 2 mA?

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  1. The common-base stage of the following figure is biased with a collector current of 2 m A . Assume I S = 8 × 10 − 16 A , β = 100 , and V A = ∞ . (a) Calculate the voltage gain and I/O impedances of the circuit. (b) How should V b and R C be chosen to maximize the voltage gain with a bias current of 2 m A ?

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