Varying gain between Bode Plot and AC Sweep

[ehuang3190]

Hello all, I've been running into an inconsistency between the bode plot and AC Sweep. If I'm not mistaken they should do the same thing.

I have a two stage band pass Butterworth filter with cutoff frequencies of 0.05 and 40 Hz.

Running a bode plot and AC analysis both show cutoff frequencies as desired. However, the bode plot has a gain in the band pass of 8dB, while the AC analysis has a band pass gain of 28 dB, What gives?

[ehuang3190]

Nevermind, found the source of discrepancy, it was the usage of the function generator by the AC Sweep while Bode plot used the AC source.