公开(公告)号：US20180123211A1

公开(公告)日：2018-05-03

申请号：US15584662

申请日：2017-05-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dong Pil CHANG ,  Hongyeol LEE ,  Changsoo KWAK ,  Dong Hwan SHIN ,  In Bok YOM ,  Jin Cheol JEONG

IPC: H01P5/12 ,  H01P5/16 ,  H03F3/21

Abstract: Disclosed is a radio frequency low-loss power divider/combiner and power amplifier including the same, the power divider/combiner including a waveguide and a converter configured to convert an input signal received from an input signal terminal into a plurality of output signals and output the plurality of output signals to a plurality of output signal terminals corresponding to the plurality of output signals through the waveguide, wherein the waveguide includes the converter.

公开(公告)号：US20200153106A1

公开(公告)日：2020-05-14

申请号：US16542422

申请日：2019-08-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： So-hyeun YUN ,  Changsoo KWAK ,  Man Seok UHM ,  Hongyeol LEE ,  Dong Pil CHANG

IPC: H01Q15/24 ,  H01Q13/02

Abstract: An integrated horn antenna with an integral polarization converter, and a method of manufacturing the integrated horn antenna are disclosed. The integrated horn antenna includes a horn, and a polarizer of which at least a portion is disposed in an internal space defined by an inner wall of the horn.

公开(公告)号：US20190252748A1

公开(公告)日：2019-08-15

申请号：US16165433

申请日：2018-10-19

Applicant: Electronics and Telecommunications Research Institute

Inventor： Changsoo KWAK ,  IN BOK YOM ,  So-hyeun YUN ,  Hongyeol LEE

IPC: H01P1/20 ,  H01P7/06

Abstract: Disclosed is a multimode microwave filter including a resonator in which a cavity is formed to generate a resonant mode and a plurality of irises formed on a side surface of the resonator, in which the cavity of the resonator has a rhombus-shaped cross section.