Millimeter wave on-chip band-pass filter and processing method and design method thereof

The invention discloses a millimeter wave on-chip band-pass filter and a processing method and a design method thereof, in the millimeter wave on-chip band-pass filter, a grounding layer is connected with a first input G pin, a second input G pin, a first output G pin and a second output G pin; the first resonator and the second resonator are mutually coupled to form a coupling capacitor, and each resonator is of a spiral structure formed by a plurality of metal wires; one end of the input MIM capacitor is connected with the input S pin, and the other end of the input MIM capacitor is connected with the first resonator; one end of the output MIM capacitor is connected with the output S pin, and the other end of the output MIM capacitor is connected with the second resonator; the grounding layer is provided with a defected ground structure, and the defected ground structure is located below the two resonators. The millimeter wave on-chip band-pass filter disclosed by the invention has the characteristics of sm