An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are________?

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Academy of PakistanTest & Learning

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2427Electrical EngineeringMedium

AfT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz

BfT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz.

CfT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz

DfT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz

Correct answer

D. fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz

Explanation

The correct answer is fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz.

An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are________? - Answer and Explanation | Academy of Pakistan