For an NMOS device operating in saturation, plot $W / L$ versus $V_{G S}-V_{T H}$ if , a. $I

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For an NMOS device operating in saturation, plot

$W / L$ versus

$V_{G S}-V_{T H}$ if , a.

$I_d$ is constant b. gm is constant.

written 2.4 years ago by

prajapatijaimin • 3.3k

• modified 2.4 years ago

cmos vlsi design

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written 2.4 years ago by

prajapatijaimin • 3.3k

Solution:

$ \begin{aligned}\\ &g_n=\left.\frac{\delta I_0}{\delta V G s}\right|_{V o s-c o n s t a n t} \\\\ &\therefore g m=\mu_n \cos \frac{w}{L}(V G S-V r H)-(1) \\\\ &\text { also } g m=\sqrt{2 \ln \cos W / L \text { Id }} \\\\ &\therefore g m=\frac{2 I_D}{(V G S-V …

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