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4 votes
2 answers
840 views

Why are drain and source not actually perfectly symmetric?

In textbook treatments, one has that the source and drain of a MOSFET are completely symmetrical and therefore interchangeable -- the distinction is only made by which is at a higher voltage in the ...
EE18's user avatar
  • 1,161
2 votes
2 answers
894 views

Can drain and source length be smaller than minimum channel length in CMOS technology?

I know the channel width can't be smaller, but what about drain and source? Say, in 0.18u technology, what would be a typical drain/source length?
MNaz's user avatar
  • 215