Simulating RF detector diode

HI guys,
I would like know who could i simulate a RF detector in ADS. here is my problem, i need to simulate a diode which i have the spice model for it. I need to plot rfin vs voltage detected at the detector end. Any one has any example tht can share with me that would be great.

thanks
BR
danesh

Using www.google.com and searching for 'ads rf diode simulation':

http://www.hp.woodshot.com/hprfhelp/...lit/an1156.pdf