Title:
TUNABLE BANDPASS FILTER
Document Type and Number:
WIPO Patent Application WO/2017/096991
Kind Code:
A1
Abstract:
A tunable bandpass filter (10) is used for filtering an electromagnetic signal, has a system passband (18) between a first and a second tunable cutoff frequencies, and has a first subfilter (12) and a second subfilter (14) connected to one another in series between an input port (11) and an output port (17) and being complementary to one another in the tunable bandpass filter (10). At least one of the first subfilter (12) and the secondsubfilter (14) is connected to operate in reflection.
Inventors:
MANSOUR RAAFAT R (CA)
YANG KEVIN (CA)
MIRAFTAB VAHID (CA)
YANG KEVIN (CA)
MIRAFTAB VAHID (CA)
Application Number:
PCT/CN2016/098536
Publication Date:
June 15, 2017
Filing Date:
September 09, 2016
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H01P1/20; H03H7/00
Domestic Patent References:
| WO2008042998A2 | 2008-04-10 |
Foreign References:
| US20130281031A1 | 2013-10-24 | |||
| US20130162374A1 | 2013-06-27 | |||
| CN204681323U | 2015-09-30 | |||
| CN101567674A | 2009-10-28 | |||
| KR100556621B1 | 2006-03-06 | |||
| US20130142089A1 | 2013-06-06 |
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