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Various types of biasing ckt for D-MOSFET
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1) Fixed Bias ckt

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Applying kvc in $c_1 - s \ ckt$

$-V_{GG} - I_G \ R_G - V_{as} = 0$

But $I_G = 0$

$\therefore V_{as} = -V_{GG}$

  • Drain current is given as.

$I_D = K_n (V_{as }- V_{Tn})^2$

Applying kyl in D - S ckt

VDD - ID …

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