Use eq 542 to find an expression for the frequency


A transistor has fT = 500 MHz and βF = 75.

(a) What is the β-cutoff frequency fβ of this transistor?

(b) Use Eq. (5.42) to find an expression for the frequency dependence of αF - that is, αF (f). [Hint: Write an expression for β(s).] What is the α-cutoff frequency for this transistor?

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Electrical Engineering: Use eq 542 to find an expression for the frequency
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