Circuit layout structure of air cavity type FBAR filter

The utility model relates to the technical field of filters, and provides a circuit layout structure of an air cavity type FBAR filter. The circuit layout structure of the air cavity type FBAR filter comprises an input terminal, an output terminal, a grounding terminal, a plurality of film bulk acoustic resonators connected in series and a plurality of film bulk acoustic resonators connected in parallel, one ends of the plurality of film bulk acoustic resonators connected in parallel are sequentially connected to nodes among the first film bulk acoustic resonator to the sixth film bulk acoustic resonator, and the other ends of the plurality of film bulk acoustic resonators are respectively connected with a grounding terminal; the center connecting line of the first film bulk acoustic wave resonator, the second film bulk acoustic wave resonator, the third film bulk acoustic wave resonator, the fourth film bulk acoustic wave resonator and the sixth film bulk acoustic wave resonator is located on a first straigh