Problem

a. Using the characteristics of Fig., determine β ac at IC =14 mA and VCE =3 V.FIG. Curve...

a. Using the characteristics of Fig., determine β ac at IC =14 mA and VCE =3 V.


FIG. Curve tracer response to 2N3904 npn transistor.

b. Determine βdc at IC = 1 mA and VCE = 8 V.


c. Determine βac at IC = 14 mA and VCE = 3 V.


d. Determine βdc at IC = 1 mA and VCE = 8 V.


e. How does the level of βac and βdc compare in each region?


f. Is the approximation βdc _ βac a valid one for this set of characteristics?

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Solutions For Problems in Chapter 3