JPH0281511A - 表面弾性波多重モードフィルタ - Google Patents

表面弾性波多重モードフィルタ

Info

Publication number
JPH0281511A
JPH0281511A JP23286688A JP23286688A JPH0281511A JP H0281511 A JPH0281511 A JP H0281511A JP 23286688 A JP23286688 A JP 23286688A JP 23286688 A JP23286688 A JP 23286688A JP H0281511 A JPH0281511 A JP H0281511A
Authority
JP
Japan
Prior art keywords
surface acoustic
acoustic wave
resonator
interdigital
electrode
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.)
Granted
Application number
JP23286688A
Other languages
English (en)
Japanese (ja)
Other versions
JPH054848B2 (en]
Inventor
Hajime Miyajima
宮島　元
Gimin Kou
洪　宜民
Keiichi Nakanishi
圭一 中西
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.)
Toko Inc
Original Assignee
Toko Inc
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 Toko Inc filed Critical Toko Inc
Priority to JP23286688A priority Critical patent/JPH0281511A/ja
Publication of JPH0281511A publication Critical patent/JPH0281511A/ja
Publication of JPH054848B2 publication Critical patent/JPH054848B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP23286688A 1988-09-17 1988-09-17 表面弾性波多重モードフィルタ Granted JPH0281511A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23286688A JPH0281511A (ja) 1988-09-17 1988-09-17 表面弾性波多重モードフィルタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23286688A JPH0281511A (ja) 1988-09-17 1988-09-17 表面弾性波多重モードフィルタ

Publications (2)

Publication Number Publication Date
JPH0281511A true JPH0281511A (ja) 1990-03-22
JPH054848B2 JPH054848B2 (en]) 1993-01-21

Family

ID=16946052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23286688A Granted JPH0281511A (ja) 1988-09-17 1988-09-17 表面弾性波多重モードフィルタ

Country Status (1)

Country Link
JP (1) JPH0281511A (en])

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121860A (en) * 1996-05-14 2000-09-19 Fujitsu Limited Multimode surface acoustic wave filter with a coupling section not being a uniform metal film
WO2003090354A1 (en) * 2002-04-19 2003-10-30 Fujitsu Media Devices Limited Surface acoustic wave apparatus
US7034634B2 (en) 2003-03-28 2006-04-25 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave (SAW) resonator, SAW filter and SAW antenna duplexer using the SAW resonator
DE10057848B4 (de) * 2000-11-22 2014-01-02 Epcos Ag Reaktanzfilter mit verbesserter Leistungsverträglichkeit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121860A (en) * 1996-05-14 2000-09-19 Fujitsu Limited Multimode surface acoustic wave filter with a coupling section not being a uniform metal film
DE10057848B4 (de) * 2000-11-22 2014-01-02 Epcos Ag Reaktanzfilter mit verbesserter Leistungsverträglichkeit
WO2003090354A1 (en) * 2002-04-19 2003-10-30 Fujitsu Media Devices Limited Surface acoustic wave apparatus
US6965282B2 (en) 2002-04-19 2005-11-15 Fujitsu Media Devices Limited Surface acoustic wave device with two split interdigital transducers connected by specified electrode structures
CN100417019C (zh) * 2002-04-19 2008-09-03 富士通媒体部品株式会社 表面声波器件
US7034634B2 (en) 2003-03-28 2006-04-25 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave (SAW) resonator, SAW filter and SAW antenna duplexer using the SAW resonator
US7138890B2 (en) 2003-03-28 2006-11-21 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave (SAW) resonator SAW filter and SAW antenna duplexer using the SAW resonator

Also Published As

Publication number Publication date
JPH054848B2 (en]) 1993-01-21

Similar Documents

Publication Publication Date Title
JPS58171120A (ja) 音響表面波装置
CN1144358C (zh) 声表面波器件
JPH10200370A (ja) 弾性表面波フィルタ
US6297713B1 (en) Surface acoustic wave device with split electrodes and outermost electrodes of a different width than the split electrodes
EP1039633A2 (en) Edge reflection type surface acoustic wave device
US5714830A (en) Free edge reflective-type surface acoustic wave device
JPH0281511A (ja) 表面弾性波多重モードフィルタ
WO2023190654A1 (ja) 弾性波装置
US6762534B2 (en) Transversally coupled resonator filter
JPH10276062A (ja) 弾性表面波デバイス
JPH027613A (ja) 多重モード共振器型表面弾性波フィルタとその帯域通過特性調整方法
WO2002101923A1 (en) Piezoelectric vibrator and filter using the same
US6670739B2 (en) Surface acoustic wave apparatus
JPH0583084A (ja) 弾性表面波フイルタ
JPH0435515A (ja) 表面弾性波装置
JPH02250413A (ja) 弾性表面波装置
JPH07303023A (ja) 表面弾性波共振器
JP2967432B2 (ja) 弾性表面波フィルタ
JPH03247109A (ja) 二重モード弾性表面波フィルターの電極構造
JP3400897B2 (ja) 多段接続型弾性表面波フィルタ
JPH0452006B2 (en])
JPH02250414A (ja) 弾性表面波装置
JPH0817304B2 (ja) 表面弾性波共振器および多重モードフィルタ
JPH0452005B2 (en])
JPH04249907A (ja) 弾性表面波フィルタ

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees