Q2. A) Draw circuit diagram and output voltage waveform of three phase inverter degree condition) has Y-connected resistive load B) What are the main differences between VSI and CSI (120-

14. Short-circuit failure mode is associated with microcircuits, transistors, resistors and capacitors. True False

Draw the DC circuit:  b)DC computations: Compute the DC collector current of each transistor. I_C 1 = ________________________ mA I_C 2= ________________________ Calculations:  c)Draw the AC circuit and compute gm, r_pi for the system. g_m 1= _______________________ mA/V r_pi 1 = _______________________ kohms g_m 2= _______________________ mA/V r_pi 2 = _______________________ kohms AC circuit:  Calculations: d)Compute the gain A_v=Vo/Vi at the operational band (for sufficiently high frequency) Gain = A_v = ______________________________ Computations:

8. A PWM data stream has period of 20 ms, and on time of 1 ms. What is its duty cycle?