How much the power rating of a device has to be reduced

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Assignment

Electronics Lab

DC Analysis of Transistor and DC Load Line

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

V_BB = 4 V, R_B = 220 kΩ, R_C = 2 kΩ, V_CC = 10 V, V_BE(on) = 0.7 V, and β = 200. Calculate the base current (I_B), collector current (I_C), emitter currents (IE), the V_CE voltage and the transistor power dissipation (PT). Show all work.

897_Common Emitter Circuit.jpg
Figure 1

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

o I_B
o I_E
o V_CE
o V_E
o V_B. Take β = 49 and V_BE = 0.7 V.

869_The CC Circuit.jpg
Figure 2

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

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

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

Reference no: EM131295377

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