Electronics Lab: Transistor Biasing

1. Given a BJT unloaded amplifier shown in figure 1 below with β=100.

o Draw DC equivalent circuits of this unloaded amplifier.
o Draw the DC load line of the circuit.
o Determine the following dc values for the amplifier.
o V_B
o V_E
o I_E
o V_C
o V_CE

Figure 1

Given the figure 2 below, calculate:

o emitter current (I_E)
o collector voltage (V_C)

Figure 2

Given circuit in figure 3 with the labeled parameters, calculate the following:

a. V_B
b. V_E
c. I_E
d. V_C
e. V_CE

Figure 3. PNP Transistor