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Chegg Solutions for Microelectronic Circuits (Adel S Sedra, Kenneth C Smith) (Z-Library)_parte_843

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Step 1 of 2 7.051P Refer to the Figure P7.51 in the textbook. The base and collector short circuited, voltage = 0V implies the transistor is operating in the active mode. BJT in the figure P7.51 is represented with current controlled current source representation and the resultant equivalent circuit is represented in the Figure 1. C ix + B + - r E Figure 1 Step 2 of 2 Apply Kirchhoff's current law at node C in Figure 1. (1) Emitter current i, is, (2) Since collector and base are short circuited, = Therefore, the small-signal resistance r is

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