For the common-emitter amplifier shown below, R_1 = 60 K Ohm, R_2 = 40 K Ohm, R_E = 1.8 K Ohm, and R_C = K Ohm, R_L = 2 K Ohm. The transistor beta is 100, r_pi = 3 K Ohm and r_o is almost infinite. (a) Draw the small signal equivalent (b) Calculate (i) input resistance R_in, (ii) Voltage gain V_o/V_sig, and (iii) current gain i_o/i_i. R_in = _____ (ii) V_o/V_sig = _____ (iii) i_0/i_i = ______

8.2 - For the common-emitter amplifier shown below, R_1 = 60 K Ohm, R_2 = 40 K Ohm, R_E = 1.8 K Ohm, and R_C = K Ohm, R_L = 2 K Ohm. The transistor beta is 100, r_pi = 3 K Ohm and r_o is almost infinite. (a) Draw the small signal equivalent (b) Calculate (i) input resistance R_in, (ii) Voltage gain V_o/V_sig, and (iii) current gain i_o/i_i. R_in = _____ (ii) V_o/V_sig = _____ (iii) i_0/i_i = ______

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images - For the common-emitter amplifier shown below, R_1 = 60 K Ohm, R_2 = 40 K Ohm, R_E = 1.8 K Ohm, and R_C = K Ohm, R_L = 2 K Ohm. The transistor beta is 100, r_pi = 3 K Ohm and r_o is almost infinite. (a) Draw the small signal equivalent (b) Calculate (i) input resistance R_in, (ii) Voltage gain V_o/V_sig, and (iii) current gain i_o/i_i. R_in = _____ (ii) V_o/V_sig = _____ (iii) i_0/i_i = ______

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