Verilog-A
From Vlsiwiki
Sample Cadence Verilog-A Library
Add the following to your libraries to gain access to the Cadence sample library
/mada/software/cadence/ICOA5251/tools.lnx86/dfII/samples/artist/ahdlLib
Spectre Netlist
Add the following command to allow spectre or ultrasim to compile Verilog-A files.
ahdl_include "<filename>"