Question

For a CE-transistor amplifier the audio signal voltage across the collector resistance of 2 kohm is 2 V Suppose the current amplification factor of the transistor is 100, find file input signal voltage and base current if the base resistance is 1 kohm.

Answer 1

Given,

Output voltage, Vo = 2 V

Output resistance, Ro = (2k \Omega)

Base resistance, Ri = 1k(\Omega)

Current amplification factor, (\beta = 100)

Then input signal voltage is,