DE69833466T8 - Filteranordnung mit akustischen Oberflächenwellen und mehreren Durchlassbändern - Google Patents

Filteranordnung mit akustischen Oberflächenwellen und mehreren Durchlassbändern Download PDF

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Publication number
DE69833466T8
DE69833466T8 DE69833466T DE69833466T DE69833466T8 DE 69833466 T8 DE69833466 T8 DE 69833466T8 DE 69833466 T DE69833466 T DE 69833466T DE 69833466 T DE69833466 T DE 69833466T DE 69833466 T8 DE69833466 T8 DE 69833466T8
Authority
DE
Germany
Prior art keywords
surface acoustic
filter assembly
acoustic waves
multiple passbands
passbands
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE69833466T
Other languages
English (en)
Other versions
DE69833466T2 (de
DE69833466D1 (de
Inventor
Yutaka Takatsuki-shi Taguchi
Kazuo Nara-shi Eda
Osamu Kyotanabe-shi Kawasaki
Shun-ichi Amagasaki-shi Seki
Keiji Settsu-shi Onishi
Hiroki Moriguchi-shi Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69833466D1 publication Critical patent/DE69833466D1/de
Publication of DE69833466T2 publication Critical patent/DE69833466T2/de
Application granted granted Critical
Publication of DE69833466T8 publication Critical patent/DE69833466T8/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2240/00—Indexing scheme relating to filter banks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2250/00—Indexing scheme relating to dual- or multi-band filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Filters And Equalizers (AREA)
DE69833466T 1997-05-30 1998-05-29 Filteranordnung mit akustischen Oberflächenwellen und mehreren Durchlassbändern Active DE69833466T8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14264897 1997-05-30
JP14264897 1997-05-30

Publications (3)

Publication Number Publication Date
DE69833466D1 DE69833466D1 (de) 2006-04-20
DE69833466T2 DE69833466T2 (de) 2006-07-20
DE69833466T8 true DE69833466T8 (de) 2007-01-18

Family

ID=15320252

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69833466T Active DE69833466T8 (de) 1997-05-30 1998-05-29 Filteranordnung mit akustischen Oberflächenwellen und mehreren Durchlassbändern

Country Status (3)

Country Link
US (1) US6043725A (de)
EP (1) EP0881763B1 (de)
DE (1) DE69833466T8 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719467C2 (de) * 1997-05-07 1999-08-19 Siemens Matsushita Components OFW-Duplexer
JP3403669B2 (ja) * 1999-06-04 2003-05-06 富士通株式会社 アンテナ分波器
US6466768B1 (en) * 1999-06-11 2002-10-15 Conexant Systems, Inc. Multi-band filter system for wireless communication receiver
US7680477B2 (en) * 2004-09-03 2010-03-16 Texas Instruments Incorporated Integrated radio frequency filters for multiband transceivers
US7315730B2 (en) * 2005-06-14 2008-01-01 Motorola, Inc. Architecture for a receiver front end having dual output low noise amplifier driving separate pre-selectors coupled to a transformer for single ended output
DE102007024895B4 (de) * 2007-05-29 2015-08-27 Epcos Ag Multiband-Filter
WO2016088680A1 (ja) * 2014-12-04 2016-06-09 株式会社村田製作所 ラダー型フィルタ、弾性波フィルタモジュール及びデュプレクサ
JP6545398B2 (ja) 2016-11-08 2019-07-17 三菱電機株式会社 マルチバンドフィルタ

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015973A (en) * 1987-08-31 1991-05-14 Oki Electric Industry Co., Ltd. Duplexer with an isolating circuit on a dielectric plate
JPH03220911A (ja) * 1990-01-26 1991-09-30 Fujitsu Ltd 弾性表面波フィルタ
JP3337073B2 (ja) * 1990-05-09 2002-10-21 株式会社村田製作所 弾性表面波装置
JPH04253414A (ja) * 1991-01-30 1992-09-09 Hitachi Ltd 弾性表面波共振器複合形フィルタを用いた分波器
JP2800905B2 (ja) * 1991-10-28 1998-09-21 富士通株式会社 弾性表面波フィルタ
JPH05152881A (ja) * 1991-11-28 1993-06-18 Hitachi Ltd 弾性表面波素子モジユールの製造方法
JP3388475B2 (ja) * 1991-12-16 2003-03-24 富士通株式会社 分波器
JPH05235688A (ja) * 1992-02-20 1993-09-10 Hitachi Ltd 弾性表面波装置及びこれを用いた移動無線端末
JPH066111A (ja) * 1992-06-18 1994-01-14 Mitsubishi Electric Corp 複合デュプレックスフィルタ
JP3145186B2 (ja) * 1992-06-18 2001-03-12 富士通株式会社 弾性表面波分波器
JPH06188622A (ja) * 1992-12-16 1994-07-08 Murata Mfg Co Ltd アンテナ共用器
JP3407931B2 (ja) * 1993-05-31 2003-05-19 三洋電機株式会社 空中線共用器及び空中線共用器の整合回路の調整方法
JP3148471B2 (ja) * 1993-07-16 2001-03-19 株式会社日立製作所 分波器およびこれを用いた移動無線機
JP3139327B2 (ja) * 1995-05-31 2001-02-26 株式会社村田製作所 高周波複合部品
JPH09121138A (ja) * 1995-08-24 1997-05-06 Fujitsu Ltd フィルタ装置及びこれを用いた無線装置
JP3487692B2 (ja) * 1995-10-02 2004-01-19 富士通株式会社 分波器
JP3175581B2 (ja) * 1996-03-14 2001-06-11 株式会社村田製作所 弾性表面波装置

Also Published As

Publication number Publication date
EP0881763A2 (de) 1998-12-02
DE69833466T2 (de) 2006-07-20
EP0881763B1 (de) 2006-02-15
US6043725A (en) 2000-03-28
DE69833466D1 (de) 2006-04-20
EP0881763A3 (de) 1999-06-16

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: TAGUCHI, YUTAKA, TAKATSUKI-SHI, OSAKA 569-0854, JP

Inventor name: EDA, KAZUO, NARA-SHI, NARA 631-0064, JP

Inventor name: KAWASAKI, OSAMU, KYOTANABE-SHI, KYOTO 610-0353, JP

Inventor name: SEKI, SHUN-ICHI, AMAGASAKI-SHI, HYOGO 661-0982, JP

Inventor name: ONISHI, KEIJI, SETTSU-SHI, OSAKA 566-0043, JP

Inventor name: SATO, HIROKI, MORIGUCHI-SHI, OSAKA 570-0008, JP

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP