ECE559_Fall2009_Exam2_Solution

Vgsm3 0 25 v 25 v vtp 05 v so m3 is on e r r a e n i

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Unformatted text preview: 2 (1) W + 100* * ( 2.5 − 0.5)(1) − 2 L 4 W ⇒ 0.5 = 0.125 + *1.5 L 4 W 0.375 0.75 ⇒ = = 1.5 3 L 4 0.75*300 ⇒ W4 = nm = 75 nm 3 W4 = 75 nm W4 has come out to be less than L = 300 nm. It would not be quite allowable by a technology library. So for proper operation of the Schmitt trigger circuit, we need to make the width of the transistor M1 higher so that the W4 conforms at least to the specification of transistor widths provided by a technology library. m u m i n i m Page 9 of 9 C...
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