Derive expression for voltage gain in term of resistor value

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Reference no: EM131025935

Consider the common-emitter amplifier shown in Figure.

a. Draw the small signal equivalent circuit by assuming that the coupling capacitors are short circuits.

b. Derive an expression for the voltage gain in terms of resistor values, rπ, and β.

c. Derive an expression for the input resistance in terms of resistor values, rπ, and β.

d. Suppose that β = 100, VBEQ = 0.7 V, RC = 2kΩ, RL = 2kΩ, RE = 100Ω, and VCC = 20 V. Determine the value required for RB so that ICQ = 5 mA.

e. Evaluate the expressions found in parts (c) and (d) for the values given in part (d).

Reference no: EM131025935

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