Problem

3.1 Consider a MOS system with the following parameters:•tox =200Å•ϕGC=-0.85 V•NA=2·1015cm...

3.1 Consider a MOS system with the following parameters:

tox =200Å

ϕGC=-0.85 V

NA=2·1015cm-3

Qox = q 2·1011 C/cm2

(a) Dtetermine the threshold voltage VT0 under zero bias at room temperature (T=300K). Note that ε = 3.97ε0 and εsi= 11.7ε0


(b) Determine the type (p-type or n-type) and amount of channel implant (N1/cm2) required to change the threshold voltage to 0.8V.

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Solutions For Problems in Chapter 3