I have been testing this circuit in simulation
which is supposed to be a low pass 60Hz filter, as far as i am concerned the simulation works as intended in simulation starts filtering frequencies above 60Hz and after this the amplitude starts going down, i can use a bode plotter to confirm this and change the frequency of the function generator while i see how the sin wave gets less and less amplitude the higher the frequency
However when building this same circuit in the protoboard and using the oscilloscope at the output of the OPAMP something odd happens, i uploaded THIS VIDEO where you can see its behavior in the oscilloscope
The blue signal is the input while the yellow is the output
I start a with a 5v 30Hz signal, and slowly increase the frequency, after 60Hz the output starts increasing the voltage up to 10v and only after reaching 300Hz, it starts filtering the signal, why is this happening? is it normal?