Hi everyody guys,  

I'm designing a PLL, operating in the range (2-6 GHz), using a SKY72302 dual Frac-N synth, an Hittite wideband  MMIC VCO (HMC586LC4B) and a fourth order passive loop filter; the problem is that the VCO's data sheet doesn't show the exact Kvco gain ( i only have a plot thet describes Vtune VS Freq and i can estimate something around 300 MHz/V) and i dont know the exact charge pump current.

Is there anyone has already used these components and can tell me the Icp i have to set?
Is the typical value (found on several papers) of 1mA correct for my application?

I hope my description is clear enough, contact me if u have more questions

ps. the other parameters used for the designing of the loop filter are:
UGBW = 80 KHz, Fvco = 3.8 GHz, Fref = 24 MHz.

Best regards, Slate