Determine the meter readings in Figure Vcc +8 V R 33 kN Rc 2.2 kN BDC 200 R2 10 kN RE 1.0 kN Section 5-2 Voltage-Divider Bias 11. What is the minimum value of Bpc in Figure 5-36 that makes RisBASE) 10R? +15 V 12. The bias resistor Rz in Figure 5-36 is replaced by a 15 kfl potentiometer. What minimum re- sistance setting causes saturation?
Determine the meter readings in Figure Vcc +8 V R 33 kN Rc 2.2 kN BDC 200 R2 10 kN RE 1.0 kN Section 5-2 Voltage-Divider Bias 11. What is the minimum value of Bpc in Figure 5-36 that makes RisBASE) 10R? +15 V 12. The bias resistor Rz in Figure 5-36 is replaced by a 15 kfl potentiometer. What minimum re- sistance setting causes saturation?
Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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Transcribed Image Text:Q1)
Determine the meter readings in Figure
Vcc
+8 V
R1
33 kN
Rc
2.2 kl
BDC = 200
R2
RE
1.0 kN
10 kN
Section 5-2 Voltage-Divider Bias
11. What is the minimum value of Bpc in Figure 5-36 that makes RINBASE) 10R,?
+15 V
12. The bias resistor Ra in Figure 5-36 is replaced by a 15 kl potentiometer. What minimum re-
sistance setting causes saturation?
R
22 kl
Re
15 k
13. If the potentiometer described in Problem 12 is set at 2 kl, what are the values for le and Ver?
14. Determine all transistor terminal voltages with respect to ground in Figure 5-37.
Bux=150
15. Show the connections required to replace the transistor in Figure 5-37 with a pnp device.
16. (a) Determine Vg in Figure 5-38.
(b) How is Va affected if the transistor is replaced by one with a Boc of 50?
17. Determine the following in Figure 5-38:
RE
680 0
4.7 kN
(a) Q-point valucs
(b) The minimum power rating of the transistor
18. Determine ,1, and Ig in Figure 5-38.
A FIGURE 5-36
Vec
-12 V
+9 V
R,
RC
Re
R
33 kl
1.8 kn
47 kf
2.2 kf
Boc-110
Boc 150
RE
10 k
R
5.6 k
RE
15 kfl
560 2
A FIGURE S-37
A FIGURE 5-38
AMM
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