DIELECTRIC WAVEGUIDE FILTER, HIGH FREQUENCY FRONT END CIRCUIT, AND MASSIVE MIMO SYSTEM

WIPO Patent Application WO/2017/203918

A1

A dielectric waveguide filter (2) is provided with: a cuboid-shaped first resonator unit (20a) comprising one or more resonators; a cuboid-shaped second resonator unit (20b) comprising one or more resonators; and a cuboid-shaped third resonator unit (20c) comprising one or more resonators connecting the first resonator unit (20a) and second resonator unit (20b). The first resonator unit (20a), second resonator unit (20b), and third resonator unit (20c) are constituted by one dielectric block, and the first resonator unit (20a) and second resonator unit (20b) face each other across a slit (34) provided in the dielectric block, and the high frequency signal propagation direction of the first resonator unit (20a) and second resonator unit (20b) intersects the high frequency signal propagation direction of the third resonator unit (20c).

ONAKA KENGO (JP)
KURODA KATSUHITO (JP)
TADA HITOSHI (JP)
KIKUDA MASAYUKI (JP)

PCT/JP2017/016272

November 30, 2017

April 25, 2017

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MURATA MANUFACTURING CO (JP)

H01P1/208; H01P7/10; H04B1/52; H04B1/56; H04B7/0413

WO2015058809A1

2015-04-30

JP2005341350A	2005-12-08
JP2010258893A	2010-11-11
JP2005269306A	2005-09-29
JP2001339204A	2001-12-07
JP2014521278A	2014-08-25
US20070126528A1	2007-06-07

RUIZ-CRUZ J.: "RECTANGULAR WAVEGUIDE ELLIPTIC FILTERS WITH CAPACITIVE AND INDUCTIVE IRISES AND INTEGRATED COAXIAL EXCITATION", 2005 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM

YOSHIKAWA, Shuichi et al. (JP)

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