Q2. Consider the logic gate circuit shown below. a) What is the logic operation performed by the circuit? Justify your answer. b) If VIN₁ = VIN₂ = VIN, draw the Voltage Transfer Characteristic (VTC) of the circuit. Clearly show the states of the diodes and the transistor on the graph. c) Calculate the average power dissipated by the circuit. d) Calculate the fan-out of the circuit. e) What are the noise margin voltages VNML and VNMH? 9+5V 5kQ D₁ ☑O DA DE Dz 1 ko VOUT VD(ON) = 0.7V BF = 100 VBE(FA) = 0.7V VBE(SAT) = 0.8V VCE(SAT) = 0.2V