Given the common-base configuration of Fig. 1, sketch the ac equivalent using the notation...

Given the common-base configuration of Fig. 1, sketch the ac equivalent using the notation for the transistor model appearing in Fig. 2.

FIG. 1

FIG. 2 Circuit of Fig. 3 redrawn for small-signal ac analysis.

FIG. 3 The network of Fig. 4 following removal of the dc supply and insertion of the short-circuit equivalent for the capacitors.

FIG. 4 Transistor circuit under examination in this introductory discussion.