For the common-base network of Fig. 5.176:a. Determine Zi, Zo, and .b. Sketch the two-port...

For the common-base network of Fig. 5.176:

a. Determine Z_i, Z_o, and .

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b. Sketch the two-port model of Fig. 5.63 with the parameters of part (a) in place.

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c. Determine and

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d. Determine and using the r_e model and compare with the results of part (c).

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e. Change R_s to 0.5 kΩ and R_L to 2.2 kΩ and calculate and  What is the effect of changing levels of R_s and R_L on the voltage gains?

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f. Determine Z_o if R_s changed to 0.5 kΩ with all other parameters as appearing in Fig. 5.176. How is Z_o affected by changing levels of R_s?

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g. Determine Z_i if R_L is reduced to 2.2 kΩ. What is the effect of changing levels of R_L on the input impedance?

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h. For the original network of Fig. 5.176 determine

FIG. 5.176

FIG. 5.63 Applying a load to the two-port system of Fig. 5.62.

FIG. 5.62 Substituting the internal elements for the two-port system of Fig. 5.61.

FIG. 5.61 Two-port system.