| 摘要 |
A dual band pass filter including a resonator having two triple modes according to an aspect of the present invention comprises: a first triple mode resonator having a lower frequency pass band; a second triple mode resonator formed on an inner space of the first triple mode resonator while maintaining a first gap between the first triple mode resonator and the second triple mode resonator, and having an upper frequency band pass band; and an input/output line including an input stub and an output stub, wherein the input stub is disposed along a space between the first gaps, connected to an input port and formed on one side of a center vertical line of the first triple mode resonator, and the output stub is connected to an output port and formed on the other side of the center vertical line. The dual band pass filters are formed in a planar arrangement structure of a micro-strip line on one substrate. |
