leakage current problem in the charge pump and loop filter

there are three kinds of major leakage currents in advanced CMOS processes:  (a)   tunneling leakage, which relates to the gate   
oxide thickness;
(b) subthreshold leakage
(c) junction diode leakage, which relates to the parasitic pn junctions.
the cross-coupled pair enlarges the output swing in delay cell of vco.

Yes, that is why you have to pay attention when designing such a Loop filter in deep-sub micro process. Many design techniques fail and have to modify for it to work under high leakage conditions.

还以为是文章。

walearning
3q

Design of High-performance CMOS Charge pumps in Phase-locked loops

meidongxi

两位高人，一个吹，一个扯，
呵呵。

小手一抖，5元到手

thank you！

thank you very much

very thanks

deeply thank you

xie xie ni

xie xie nii

thank you 1！

xie xie ni

和啥都没说一个样~

变成灌水帖了