c) A level 200 engineering student took a critical fook to analyze the sketch with his basic understanding from semicond
Posted: Thu Jul 14, 2022 2:37 pm
c) A level 200 engineering student took a critical fook to analyze the sketch with his basic understanding from semiconductors of a bipolar junction transistor diagram depicted below. Now, considering the circuit diagram shown below. Determine (Assume o =150 ) i. Base curnent ( Li) and Gollector Gurrent (i) ii. Emitter Curtent ( ) and Emitten-Base voliage (HE) The Shockley dio de equation relates the current flowing through a diode, lo to the Where Ib and VD have positive sign for forward diode bias Is is the saturation current q is the charge on electron; q=1.602×10−19C,Kn is the Boltzmann's constant; xp=138=10−n1K′′, ris the temperature in Kelvins and may be taken to be 300 K d) Calculate the value at room temperature. Hence explain the Shockley diode equation may be approximated to be ID=Is(eqV2/k,r) at room temperature in forward bias. (Hint: the units aKBT are in volts)