9.                                                                                                                        a. Draw the load line for the network of Fig. 4.122 on the characteristics of Fig. 4.121 using B from problem 8 to find IBQ.  b. Find the Q -point and resulting values ICQ and VCEQ.  c. Find the value of B at the Q -point.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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9.                                                                                                                        a. Draw the load line for the network of Fig. 4.122 on the characteristics of Fig. 4.121 using B
from problem 8 to find IBQ. 
b. Find the Q -point and resulting values ICQ and VCEQ. 
c. Find the value of B at the Q -point. 
d. How does the value of part (c) compare with b = 125 in problem 8? 
e. Why are the results for problem 9 different from those of problem 8?

8. For the emitter-stabilized bias circuit of Fig. 4.122, determine:
a.
b. Icơ
C.
d. Vc.
e. Vg.
f. Vg-
C BIASING-BJTS
20 V
470 2
270 kQ
+
B=125
C9
oVE
2.2 k2
FIG. 4.122
Problems 8, 9, 12, 14, 66, 69, 72, and 76.
9. a. Draw the load line for the network of Fig. 4.122 on the characteristics of Fig. 4.121 using B
from problem 8 to find Igg
b. Find the Q-point and resulting values Ico and VCE,-
c. Find the value of B at the Q-point.
d. How does the value of part (c) compare with B = 125 in problem 8?
e. Why are the results for problem 9 different from those of problem 8?
On J63
Transcribed Image Text:8. For the emitter-stabilized bias circuit of Fig. 4.122, determine: a. b. Icơ C. d. Vc. e. Vg. f. Vg- C BIASING-BJTS 20 V 470 2 270 kQ + B=125 C9 oVE 2.2 k2 FIG. 4.122 Problems 8, 9, 12, 14, 66, 69, 72, and 76. 9. a. Draw the load line for the network of Fig. 4.122 on the characteristics of Fig. 4.121 using B from problem 8 to find Igg b. Find the Q-point and resulting values Ico and VCE,- c. Find the value of B at the Q-point. d. How does the value of part (c) compare with B = 125 in problem 8? e. Why are the results for problem 9 different from those of problem 8? On J63
I(mA)
C110
10
80
9.
70 µA
60 µA
50 u
VeE (V)
10
15
20
25
30
FIG. 4.121
Problems 5, 6, 9, 13, 24, 44, and 57.
世
Transcribed Image Text:I(mA) C110 10 80 9. 70 µA 60 µA 50 u VeE (V) 10 15 20 25 30 FIG. 4.121 Problems 5, 6, 9, 13, 24, 44, and 57. 世
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