CPC H01P 1/205 (2013.01) [H01P 1/213 (2013.01); H01P 1/2133 (2013.01); H01P 7/04 (2013.01); H01P 7/065 (2013.01)] | 16 Claims |
1. A filter device, comprising:
a plurality of low-band resonators; and
a plurality of high-band resonators, wherein a first and a second of the plurality of high-band resonators each extend in a first direction, and wherein a first resonator head of the first of the plurality of high-band resonators is capacitively coupled to a second resonator head of the second of the plurality of high-band resonators, and wherein the first resonator head oppositely faces the second resonator head in the first direction.
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