(Solved):
2. Show that two MOS transistors connected in series with channel lengths of ...
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2. Show that two MOS transistors connected in series with channel lengths of L1? and L2? and identical channel widths of W can be modeled as one equivalent MOS transistor whose width is W and whose length is L1?+L2?, as shown in Fig. Assume the transistors are identical except for their channel lengths. Ignore the body effect and channel-length modulation. (b)