FILTER ASSEMBLIES, TUNING ELEMENTS AND METHOD OF TUNING A FILTER

Title:

FILTER ASSEMBLIES, TUNING ELEMENTS AND METHOD OF TUNING A FILTER

Document Type and Number:

WIPO Patent Application WO/2017/080525

Kind Code:

A1

Abstract:

The present invention provides filter assemblies, tuning elements and a method of tuning a filter. A filter assembly includes a housing having a top cover, a bottom cover and at least one sidewall, the top cover, the bottom cover and the at least one sidewall defining an internal cavity, the housing configured to receive first through third radio frequency ("RF") transmission lines; a top metal sheet mounted within the internal cavity that has a plurality of openings that form a first hole pattern; and a bottom metal sheet mounted within the internal cavity that has a plurality of openings that form a second hole pattern. The top and bottom metal sheets are vertically spaced-apart from each other in a vertically stacked relationship within the internal cavity. The top metal sheet and the bottom metal sheet each include at least one resonator.

Inventors:

XU YONGJIE (CN)
TKADLEC ROMAN (CZ)
BROWN RICHARD (US)
RESNATI GIUSEPPE (IT)
PARIMBELLI OMAR (IT)
PATEL SAMMIT (US)

Application Number:

PCT/CN2016/105712

Publication Date:

May 18, 2017

Filing Date:

November 14, 2016

Export Citation:

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Assignee:

COMMSCOPE ITALY SRL (IT)
XU YONGJIE (CN)

International Classes:

H01P1/207; H01P7/10

Domestic Patent References:

WO2004025771A1

2004-03-25

Foreign References:

CN103035988A	2013-04-10
CN1476735A	2004-02-18
CN102904000A	2013-01-30
CN103262338A	2013-08-21
CN101378142A	2009-03-04
US20080315969A1	2008-12-25
US5905416A	1999-05-18
US20110121919A1	2011-05-26
US20090128263A1	2009-05-21

Other References: