// AM & PM modulation test circuit
simulator lang=spectre
ahdl_include "modulators.va"

parameters MOD_FREQ=10MHz
parameters CARRIER_FREQ=1GHz

Vin (in 0) vsource type=sine mag=1 freq=MOD_FREQ
Mod0 (nm in) AMmodulator freq=CARRIER_FREQ mod_index=0
Mod1 (am in) AMmodulator freq=CARRIER_FREQ mod_index=1
Mod2 (pm in) PMmodulator freq=CARRIER_FREQ kp=M_PI/2
Mod3 (fm in) FMmodulator freq=CARRIER_FREQ fd=MOD_FREQ

sineResp tran stop=2/MOD_FREQ save=allpub

save Mod3