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In a triode value for a grid voltage V_g=-1.2V , the phase current I_p and plate voltage V_p are given I_p=(-5+0.1 V_0),I_p in mA and V_p in volt . When grid voltage is changed to - 3.2 V at constant plate voltage of 150 V , a plate current of 5 mA is observed , then Tran conductance inductance g_m is |
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Answer» `1.5 xx10^3 ohm^(-1)` As `V_p=150 V_p=150 V, i_p=(-5.0+0.1xx150)=10^(-2)A` with `Vg = -3.2 V and V_p = 150 V` `i_p = 5xx10^(-3)A` `:. G_m` (transconductance ) = `((5-10))/((3.2)-(-1.2))` `= 2.5 xx10^(-3) ohm^(-1)` |
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