Problem

For a phototransistor having the characteristics of Fig. 17.50, determine the photoinduced...

For a phototransistor having the characteristics of Fig. 17.50, determine the photoinduced base current for a radiant flux density of 5 mW/cm2. If hfe = 40, find IC.

FIG. 17.50 Phototransistor: (a) base current versus flux density; (b) device; (c) terminal identification; (d) angular alignment.

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Solutions For Problems in Chapter 17