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latchup iv curve
usuasly, the latch up is due to layout, the figure u posted, i think, the p+(bulk of nmos) should be placed close to nwell, that's to say, it should be placed at the right side of nmos.
vth vs l
I don't think so!
Actually, Vth is almost nondepent on L or W when L or W is large (not short or narrow MOS). However When L or W decrease, the Vth would increase. You will see the reason and the formula on Neman's book, sorry, I can't remember the exact name of the book, it's on...
Chopping and auto-zeroing are useful techniques for handling 1/f noise in amplifier circuits (**broken link removed**).
Hi roadbuster,
I can not access the link, could you please give me other link or send it to my email address?
my email: semiartist@yahoo.com, thanks!
BR,
Alex
vco
There are ring VCO, LC VCO and transformer feedback VCO, etc. But the basic principles are same, just voltage to control the frequency.
I think new life was saying " turning range", together with phase noise, they are the most important parameters.
Sorry, i can't give the details...
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