Seems to be a hot day for HC4046 model requests.
And sending the model out by E-mail has resulted in mucho bouncing... seems they think it's a security threat >:-}
So go to....
This is just the VCO portion. Just treat it like a subcircuit to use in whatever simulator you want.
For hints/tricks on subcircuit usage, see these links...
For the PFD, just build it up using logic parts.
LATER, I plan to make the whole thing as a behavioral block, but haven't gotten to it yet