g. Sketch the resulting fixed-bias configuration.

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Answer letter 'g.'

Given the BJT transistor characteristics of Fig. 121:
a. Draw a load line on the characteristics determined by E = 21 V and Rc = 3 kN for a
fixed-bias configuration.
b. Choose an operating point midway between cutoff and saturation. Determine the value of
Rg to establish the resulting operating point.
c. What are the resulting values of Ic, and VCE,?
d. What is the value of ß at the operating point?
e. What is the value of a defined by the operating point?
f. What is the saturation current (Ic...) for the design?
g. Sketch the resulting fixed-bias configuration.
h. What is the dc power dissipated by the device at the operating point?
i. What is the power supplied by Vcc?
j. Determine the power dissipated by the resistive elements by taking the difference between
the results of parts (h) and (i).
Transcribed Image Text:Given the BJT transistor characteristics of Fig. 121: a. Draw a load line on the characteristics determined by E = 21 V and Rc = 3 kN for a fixed-bias configuration. b. Choose an operating point midway between cutoff and saturation. Determine the value of Rg to establish the resulting operating point. c. What are the resulting values of Ic, and VCE,? d. What is the value of ß at the operating point? e. What is the value of a defined by the operating point? f. What is the saturation current (Ic...) for the design? g. Sketch the resulting fixed-bias configuration. h. What is the dc power dissipated by the device at the operating point? i. What is the power supplied by Vcc? j. Determine the power dissipated by the resistive elements by taking the difference between the results of parts (h) and (i).
A Ic(mA)
110 μΑΗ
100 μΑ
10
90 μΑ
80 μΑ
9
70 μΑ
8
60 μΑ.
7
50 μΑ
6.
40 μΑ
5
30 μ.ΑΙ
3
-20 μΑ
10 μΑ
Ig = 0 µµA
5
10
15
20
25
30
VCE (V)
FIG. 121
Transcribed Image Text:A Ic(mA) 110 μΑΗ 100 μΑ 10 90 μΑ 80 μΑ 9 70 μΑ 8 60 μΑ. 7 50 μΑ 6. 40 μΑ 5 30 μ.ΑΙ 3 -20 μΑ 10 μΑ Ig = 0 µµA 5 10 15 20 25 30 VCE (V) FIG. 121
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