when i modeling PLL,the paper" An introduction to the PLL library to be
released in 4.4.5 "by jess chen show me useful prospect.so i wanted to search other papers written by him about modeling PLL
[7]"Non-Linear Relative Phase Models of Phaselock Loops", Jess Chen,
Cadence Technical Conference, 1996.
[10]"Non-Linear State Space Averaged Modeling of a 3-State Digital Phase-
Frequency Detector", Jess Chen, Cadence Technical Conference, 1997
after google ,i found somethings invalid.
someone cound post these papers?