Extractor

An extractor comprising:

• a band pass filter that includes a plurality of surface acoustic wave resonators electrically connected in a ladder configuration and enables a high frequency signal of a first pass band to pass through;
• a band elimination filter that does not enable the high frequency signal of the first pass band to pass through but enables a high frequency signal of a second pass band different from the first pass band to pass through;
• and a common terminal to which the band pass filter and the band elimination filter are electrically connected;
• wherein
• in the band pass filter, each of the plurality of surface acoustic wave resonators includes an IDT (InterDigital Transducer) electrode that includes a first busbar electrode, a second busbar electrode facing the first busbar electrode, a plurality of first electrode fingers connected, in parallel or substantially in parallel to one another with equal or substantially equal spaces therebetween, to the first busbar electrode, and a plurality of second electrode fingers connected, in parallel or substantially in parallel to one another with equal or substantially equal spaces therebetween, to the second busbar electrode;
• the first electrode fingers and the second electrode fingers are alternately arranged with one another;
• the plurality of surface acoustic wave resonators include at least one series arm resonator arranged at a series arm that electrically connects the common terminal with an input/output terminal and at least one parallel arm resonator arranged at a parallel arm that electrically connects the series arm with a ground;
• in the series arm, the IDT electrode in at least one of a first series arm resonator, of the at least one series arm resonator, that is arranged at a position closest to the common terminal and a first parallel arm resonator, of the at least one parallel arm resonator, that is arranged at a parallel arm closest to the common terminal is a first IDT electrode in which neither the plurality of first electrode fingers nor the plurality of second electrode fingers are partially missing;
• and
• the IDT electrode in at least one of the first series arm resonator or the first parallel arm resonator whose IDT electrode is not the first IDT electrode, a second series arm resonator, of the at least one series arm resonator, that is different from the first series arm resonator, and a second parallel arm resonator, of the at least one parallel arm resonator, that is different from the first parallel arm resonator is a second IDT electrode in which at least one of the plurality of first electrode fingers and the plurality of second electrode fingers is partially missing.