6.59 In the circuit shown in Fig. P6.58, the transistor has β =50. Find the values of VB, VE, and VC, and verify that the transistor is operating in the active mode. What is the largest value that RC can ...
electricalstudent Latest Questions
6.58 In the circuit shown in Fig. P6.58, the transistor has β = 40. Find the values of VB, VE, and VC. If RB is raised to 100 kΩ, what voltages result? With RB = 100 kΩ, what value of ...
D 6.57 Design a circuit using a pnp transistor for which α 1 using two resistors connected appropriately to ±2 V so that VB = 0 V, IE = 0.5 mA, and VBC = 1 V. What exact values of ...
6.56 A single measurement indicates the emitter voltage of the transistor in the circuit of Fig. P6.56 to be 1.0 V. Under the assumption that |VBE| = 0.7 V, what are VB, IB, IE, IC, VC, β, and α ?
D 6.55 Consider the circuit in Fig. P6.51 with the base voltage VB obtained using a voltage divider across the 5-V supply. Assuming the transistor β to be very large (i.e., ignoring the base current), design the voltage divider to ...
6.54 For the transistor shown in Fig. P6.54, assume α 1 and vBE = 0.5 V at the edge of conduction. What are the values of VE and VC for VB = 0 V? For what value of VB does ...
*6.53 Consider the operation of the circuit shown in Fig. P6.53 for VB at –1 V, 0 V, and +1 V. Assume that β is very high. What values of VE and VC result? At what value of VB does ...
6.52 The transistor in the circuit of Fig. P6.51 has a very high β. Find the highest value of VB for which the transistor still operates in the active mode. Also, find the value of VB for which the transistor ...
6.51 The transistor in the circuit of Fig. P6.51 has a very high β. Find VE and VC for VB (a) +2.0 V, (b) +1.7 V, and (c) 0 V.
6.50 The pnp transistor in the circuit in Fig. P6.50 has β = 50. Show that the BJT is operating in the saturation mode and find βforced and VC. To what value should RB be increased in order for the ...