MICROSTRIP BANDPASS FILTER Russian patent published in 2017 - IPC H01P1/203 

FIELD: radio.

SUBSTANCE: invention relates to microwave equipment and can be used in selective circuits of receiving and transmitting systems. Microstrip bandpass filter comprises dielectric substrate, on one side of which grounded base is applied, and on second are electromagnetically coupled strip conductors are applied: displaced relative to each other elongated wide sections of strip conductors, grounded to base on free ends side, with opposite are connected to each other by means of strip conductors elongated sections, on inner side are connected with elongated narrow strip conductors sections, double-bent at right angle, wherein, along their perimeters, inside of each folded U-shaped sections of strip conductors are arranged, grounded to base on free ends side, on outer side connected with orthogonally arranged elongated wide sections of strip conductors, which are filter ports.

EFFECT: invention provides expansion of operating bandwidth and high frequency rejection band, as well as selective properties improving.

1 cl, 2 dwg