TSpice commands for waveforms

[q0.0p]

what command can get the waveform of :
1.)open-loop gain vs freq
2.)gain & phase margin
3.)gain vs input common mode voltage
of the CMOS op-amp circuit by using tspice ??

 

[hr_rezaee]

tspice question

Hi
I don't know that all this command will work on tspice or not.
1) .ac
2) .measure
3) .ac .... sweep
regards

 

[anilsaini]

tspice question

use these command

.print ac VDB(OUTPUT) VP(OUTPUT)
.measure ac bandwidth when VDB(OUTPUT)=0.0
.measure ac PM find '180-VP(OUTPUT)' when VDB(OUTPUT) =0.0
.measure ac gain max VDB(OUTPUT)