BAND PASS FILTER

摘要

A band pass filter is provided to form micro strip patterns on a substrate having a high dielectric constant, to realize a large capacitance, thereby reducing size of micro strips while reducing size of a band pass filter chip and realizing excellent attenuation features. The first and fifth micro strips(31,35) are separated from each other in parallel, and have one end and the other end, respectively. The second micro strip(32) is extended on the other end of the first micro strip(31) toward an inner side between the first and fifth micro strips(31,35). The fourth micro strip(34) is extended on one end of the fifth micro strip(35) toward the inner side between the first and fifth micro strips(31,35). The third micro strip(33) is extended from the second and fourth micro strips(32,34), respectively, and is in parallel with the first and fifth micro strips(31,35).