Design of Charge pump for PLL

[SubbuMani]

Hi i am designing PLL for 5Ghz im stuck at design of charge pump and loop filter below one is my circuit pls help me in this regard i am attaching the schematic for reference..

 

[BigBoss]

-Why you have placed another diode configured PMOS/NMOS just before Pump Transistors ?
-PLL Lopp filters values are not properly dimensioned.They look weird..

 

[SubbuMani]

that is part of PFd its woring properly..m facing problems with charge pump