Sketch the d.c. equivalent circuit of the amplifier, Electrical Engineering

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Question:

Figure shows the basic circuit of the BJT Common Emitter Amplifier.

(a) What is the function of RB, RC, Ci, Co and CE ?

(b) (i) Sketch the d.c. equivalent circuit of the amplifier.

(ii) Determine the d.c value of the collector current IC.

(ii) Determine the mid-band gain of the amplifier in dBs.

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