a. Using the characteristics of Figs. 3.7 and 3.8 determine IC if VCB = 5 V and VBE = 0.7...

a. Using the characteristics of Figs. 3.7 and 3.8 determine I_C if V_CB = 5 V and V_BE = 0.7 V.

b. Determine V_BE if I_C = 5 mA and V_CB = 15 V.

c. Repeat part (b) using the characteristics of Fig. 3.10b.

d. Repeat part (b) using the characteristics of Fig. 3.10c.

e. Compare the solutions for V_BE for parts (b) through (d). Can the difference be ignored if voltage levels greater than a few volts are typically encountered?

FIG. 3.7 Input or driving point characteristics for a common-base silicon transistor amplifier.

FIG. 3.8 Output or collector characteristics for a common-base transistor amplifier.

FIG. 3.10b Developing the equivalent model to be employed for the base-to-emitter region of an amplifier in the dc mode.

FIG. 3.10c Developing the equivalent model to be employed for the base-to-emitter region of an amplifier in the dc mode.