1.It is assumed that you are having a fair knowledge of Rebasing DLLs.If you have any problems regarding rebasing, refer my article Need for Rebasing DLLs.
2.Based on noncoherent DLL and arctan carrier PLL, the curves of tracking errors in general forms are given after a series of computing and simulation.
3.There are variant DLLs for each of the main areas that may vary between pieces of hardware that share the same ASSP - such as the keyboard and digitiser.