Explain why this is generally not a good idea

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Reference no: EM131103082

While constructing a cascode stage, a student adventurously swaps the collector and base terminals of the degeneration transistor, arriving at the circuit shown in Fig. 9.44.

(a) Assuming both transistors operate in the active region, determine the output impedance of the circuit.

(b) Compare the result with that of a cascode stage for a given bias current (IC1) and explain why this is generally not a good idea.

Reference no: EM131103082

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