101年 - 101 國立嘉義大學_碩士班(乙組)招生考試試題_資訊工程工程學系：電子電路學#146247

(a) find the Thevenin equivalent for “V_T” and “R_T” of the circuit;(10%)

(b) find the Norton equivalent for “I_N” and “R_N” of the circuit.(10%)

(a) the value of “R_L”; (5%)

(b) the output power developed “P_L” in R_L; (5%)

(c) the efficiency “η%” of the circuit. (5%)

(a) the average voltage of the waveform, “V_avg”; (5%)

(b) the rms voltage of the waveform, “V_rms”;(5%)

(c) the ratio between average and rms value of the waveform,“V_avg / V_rms”. (5%)

4. Determine the output voltage “V_o” in the circuit of Figure 4. (15%)


Figure 4

(a) the voltage at the emitters “v_E”;(5%)

(b) the voltages at the outputs “v_C1” and “v_C2”. (10%)

(a) Design the emitter resistance “R_E” of the Widlar current sourceto provide an output current I_O of 10 μA. (10%)

(b) If β = 200 and V_A = 100 V, find the value of the outputresistance “R_O”. (10%)