Title:
BAND PASS FILTER
Document Type and Number:
WIPO Patent Application WO/2006/025179
Kind Code:
A1
Abstract:
There is provided a band pass filter including a matching circuit (4A) arranged between a quintary low pass filter (2) and a quintary high pass filter (3). The matching circuit (4A) is formed by a parallel resonance circuit having an inductor (L5) and a capacitor (C11). Moreover, the inductor and the capacitor constituting the low pass filter (2) and the high pass filter (3) and the inductor (L5) and the capacitor (C11) of the matching circuit (4A) are made into a unitary block of a layered block formed by superimposing a plurality of dielectric layers.
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| JPH1075142 | BAND-STOP FILTER |
Inventors:
MASUDA YUTAKA (JP)
MASUDA HIROSHI (JP)
MASUDA HIROSHI (JP)
Application Number:
PCT/JP2005/014278
Publication Date:
March 09, 2006
Filing Date:
August 04, 2005
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
MASUDA YUTAKA (JP)
MASUDA HIROSHI (JP)
MASUDA YUTAKA (JP)
MASUDA HIROSHI (JP)
International Classes:
H03H7/075; H03H7/38
Foreign References:
| JPH09181549A | 1997-07-11 | |||
| JPH0832393A | 1996-02-02 | |||
| JPH09135140A | 1997-05-20 | |||
| JPH08107326A | 1996-04-23 | |||
| JP2003273687A | 2003-09-26 | |||
| JPH06302471A | 1994-10-28 | |||
| JP2003115736A | 2003-04-18 | |||
| JP2002217059A | 2002-08-02 | |||
| JPH07202616A | 1995-08-04 |
Attorney, Agent or Firm:
Morishita, Takekazu (2-18 Minamihommachi 4-chome, Chuo-k, Osaka-shi Osaka 54, JP)
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