Hello everyone

I am designing 5th order butterworth Complex Band Pass filter, I finished the design of the 2 stage miller opamp.

After running the simulation to check the filter response and by comparison with the ideal one, I find a peaking in the response of the actual designed one,, does anyone know why this peak happen?

Note: Opamp GBW is around 300 MHz and the cut-off frequency of the filter is 1.5 MHz

Note2: in the red curve, I use actual resistors and capacitors while in the green one I use ideal res&caps