*STIMULUS FOR FREQUENCY RESPONSE
.INCLUDE MAX4232.FAM
XTEST 1 2 3 4 5 6 7 8 MAX4232
RF 1 2 999K
RL 1 0 100K 
R1 2 0 1K
VSIG 3 0 AC 1V
VS1 5 0 0
VS2 6 0 0
VSUP 8 4 2.7V
EG1 0 4 8 4 0.5
.AC DEC 100 0.001 1G
.PROBE
.END