The current i_{b} through the base of a silicon npn transistor is 1 + 0.1cos(10000\pit) mA . At 300 K , the r_{\pi } in the small signal model of the transistor is Take Boltzmann's constant as k = 1.38064852 × 10 -23 m 2 kg s -2 K -1

GATE Electronics and Communications (EC) 2012 Solved Paper

Question : 11 of 65

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The current

i_{b}

through the base of a silicon npn transistor is

1 + 0.1cos(10000πt) mA

.
At

300 K

, the

r_{π }

in the small signal model of the transistor is

Take Boltzmann's constant as k = 1.38064852 × 10^-23 m² kg s^-2 K^-1

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