In common emitter amplifier, using output resistance 5000 Ω and input resistance 2000 Ω , if the peak value of input signal voltage is 10 mV and β = 50 , then peak value of output voltage is

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Voltage gain is given by A v ​ = β × R in ​ R o u t ​ ​ Substituting the given values: A v ​ = 50 × 2000 5000 ​ = 125 The peak value of output voltage is V o u t ​ = A v ​ × V in ​ V o u t ​ = 125 × 10 × 1 0 − 3 V V o u t ​ = 1.25 V Answer: 1.25 V

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