Cadence

More stuff here:

http://uwvlsi.wikispaces.com/cadence_misc

Inherited Connections:

http://eda.engineering.wustl.edu/wiki/index.php/How_to_use_inherited_connections

Helpful Tutorials

Plotting closed loop stability for differential circuits:

Simulating Differential Circuits & A Useful Balun:

A Test Bench for Differential Circuits

RF Tutorials:

http://www.designers-guide.org/Analysis/

Introduction to RF simulation and its application (560 KB)

Accurate and rapid measurement of IP2 and IP3 (135 KB)

Hidden state in SpectreRF (120 KB); Verilog-A models (5 KB)