Title:
HIGH FREQUENCY FILTER AND HIGH FREQUENCY MODULE EQUIPPED WITH THE SAME
Document Type and Number:
Japanese Patent JP2014225830
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a downsized high frequency filter.SOLUTION: In the high frequency filter, two filter circuits each of which is provided with an external coupling capacitor one end of which is coupled to an input/output terminal; a wavelength reduction capacitor one end of which is coupled to the other end of the external coupling capacitor and the other end of which is coupled to a ground potential; and a resonator, one end of which is coupled to the other end of the external coupling capacitor and one end of the wavelength reduction capacitor, and the other end of which is coupled to the ground potential, that is formed by using a distribution constant line are coupled with an internal coupling capacitor and a broadside coupling of a resonator.
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Inventors:
MURATA RYUJI
Application Number:
JP2013104946A
Publication Date:
December 04, 2014
Filing Date:
May 17, 2013
Export Citation:
Assignee:
TAIYO YUDEN KK
International Classes:
H01P1/203; H01F27/00; H01G17/00; H01P1/205
Domestic Patent References:
| JP2002026605A | 2002-01-25 | |||
| JP2006005799A | 2006-01-05 | |||
| JP2007097113A | 2007-04-12 | |||
| JP2003198206A | 2003-07-11 | |||
| JP2003115710A | 2003-04-18 | |||
| JP2006186828A | 2006-07-13 | |||
| JP2007097113A | 2007-04-12 | |||
| JP2003198206A | 2003-07-11 | |||
| JP2003115710A | 2003-04-18 | |||
| JP2006186828A | 2006-07-13 | |||
| JP2005109950A | 2005-04-21 | |||
| JP2001118734A | 2001-04-27 |
Attorney, Agent or Firm:
Tomohito Murakoshi
Yuichi Ohata
Yuichi Ohata