Question

12. A base current of 50 ?A is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across RC. Determine the ?DC of the transistor. FIGURE 4–53 13. Calculate ?DC for the transistor in Problem 12. 14. Assume that the transistor in the circuit of Figure 4–53 is replaced with one having a ?dc of 200. Determine IB, IC, IE, and VCE given that VCC = 10 V and VBB = 3 V. 15. If VCC is increased to 15 V in Figure 4–53, how much do the currents and VCE change? 29. Determine IC(sat) for the transistor in Figure 4–58. What is the value of IB necessary to produce saturation? What minimum value of VIN is necessary for saturation? Assume VCE(sat) = 0 V. FIGURE 4–58

          12. A base current of 50 ?A is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across RC. Determine the ?DC of the transistor.
FIGURE 4–53
13. Calculate ?DC for the transistor in Problem 12.
14. Assume that the transistor in the circuit of Figure 4–53 is replaced with one having a ?dc of 200. Determine IB, IC, IE, and VCE given that VCC = 10 V and VBB = 3 V.
15. If VCC is increased to 15 V in Figure 4–53, how much do the currents and VCE change?
29. Determine IC(sat) for the transistor in Figure 4–58. What is the value of IB necessary to produce saturation? What minimum value of VIN is necessary for saturation? Assume VCE(sat) = 0 V.
FIGURE 4–58

12. A base current of 50 ?A is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across RC. Determine the ?DC of the transistor.
FIGURE 4–53
13. Calculate ?DC for the transistor in Problem 12.
14. Assume that the transistor in the circuit of Figure 4–53 is replaced with one having a ?dc of 200. Determine IB, IC, IE, and VCE given that VCC = 10 V and VBB = 3 V.
15. If VCC is increased to 15 V in Figure 4–53, how much do the currents and VCE change?
29. Determine IC(sat) for the transistor in Figure 4–58. What is the value of IB necessary to produce saturation? What minimum value of VIN is necessary for saturation? Assume VCE(sat) = 0 V.
FIGURE 4–58

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