question_answer 53)

  Consider the circuit arrangement shown in Fig. 9(EP).17(a) for studying input and output characteristics of npn transistor in CE configuration. Select the values of RB and RC for a transistor whose VBE = 0.7 V, so that the transistor is operating at point Q as shown in the characteristics shown in Fig. 9(EP).17(b). Given that the input impedance of the transistor is very small and  also find the voltage gain and power gain of circuit making appropriate assumptions.

Answer:

                  Refer Fig. 9(EP).17(b), From the input circuit  or Or                 Or           Voltage gain, Power gain,