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# Week 4 assignment | Electronic Engineering homework help

1.For the common emitter circuit shown below (see figure 1) the parameters are:

VBB = 4 V, RB = 220 kΩ, RC = 2 kΩ, VCC = 10 V, VBE(on) = 0.7 V, and β = 200. Calculate the base current (IB), collector current (IC), emitter currents (IE), the VCE voltage and the transistor power dissipation (PT). Show all work. Figure 1

2. In the CC circuit shown in Figure 2, calculate the following:

◦IB.

◦IE.

◦VCE.

◦VE.

◦VB. Take β = 49 and VBE = 0.7 V 3. For the circuit shown in Figure 3 below, draw the DC load line and locate its quiescent or DC working point. Show all work. Figure 3

4.The data sheet entry that lists how much the power rating of a device has to be reduced is the__________________..

5.In a common-emitter circuit, once the base current has been calculated, collector current can be determined by multiplying the base current by ________..