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Unformatted text preview: reases as (VGS − VT ) . 1 The drain current increases as (VGS − VT ) . 3/ 2 The drain current increases as (VGS − VT ) . 2 The drain current increases as (VGS − VT ) 5/ 2 2 Spring 2013 Exam 5: ECE 606 Spring 2013 2) Consider an n- channel MOSFET with the following parameters: N A = 3 × 1018 cm- 3 T = 300K SiO2 thickness: x0 = 2.0 nm κ ox = 4 κ S = 11.7 NO metal- semiconductor work function difference and no charge in the SiO2 2a) What is the threshold voltage for this MOSFET? 2b) What is the magnitude of the electric field in the oxide for VG = Vth ? 2c) Estimate the magnitude of the electric field in the oxide for VG = −1 V ? (Hint: Make reasonable approximations). ECE- 606 3 Spring 2013 Exam 5:...
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This note was uploaded on 01/15/2014 for the course ECE 606 taught by Professor Staff during the Fall '08 term at Purdue.

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