JPS62199111A - Idt励振横結合二重モ−ドフイルタ - Google Patents
Idt励振横結合二重モ−ドフイルタInfo
- Publication number
- JPS62199111A JPS62199111A JP4217586A JP4217586A JPS62199111A JP S62199111 A JPS62199111 A JP S62199111A JP 4217586 A JP4217586 A JP 4217586A JP 4217586 A JP4217586 A JP 4217586A JP S62199111 A JPS62199111 A JP S62199111A
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- idt
- strips
- pitch
- mode filter
- 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
Links
- 230000005284 excitation Effects 0.000 title claims description 8
- 230000008878 coupling Effects 0.000 title claims description 5
- 238000010168 coupling process Methods 0.000 title claims description 5
- 238000005859 coupling reaction Methods 0.000 title claims description 5
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 230000009977 dual effect Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4217586A JPS62199111A (ja) | 1986-02-27 | 1986-02-27 | Idt励振横結合二重モ−ドフイルタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4217586A JPS62199111A (ja) | 1986-02-27 | 1986-02-27 | Idt励振横結合二重モ−ドフイルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62199111A true JPS62199111A (ja) | 1987-09-02 |
JPH0569326B2 JPH0569326B2 (en]) | 1993-09-30 |
Family
ID=12628642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4217586A Granted JPS62199111A (ja) | 1986-02-27 | 1986-02-27 | Idt励振横結合二重モ−ドフイルタ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62199111A (en]) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05251988A (ja) * | 1992-03-04 | 1993-09-28 | Toyo Commun Equip Co Ltd | 縦結合二重モードリーキーsawフィルタ |
US6140890A (en) * | 1997-11-12 | 2000-10-31 | Nec Corporation | Saw filter with multiple reflector pairs |
US6172581B1 (en) * | 1998-05-13 | 2001-01-09 | Sanyo Electric Co., Ltd. | Surface acoustic wave filters with cascaded transversely coupled mode resonator filters |
WO2003073610A1 (fr) * | 2002-02-27 | 2003-09-04 | Fujitsu Media Devices Limited | Appareil a onde de surface elastique |
KR100697763B1 (ko) * | 2004-02-26 | 2007-03-22 | 후지쓰 메디아 데바이스 가부시키가이샤 | 탄성 표면파 장치 |
JP2013168996A (ja) * | 2009-04-23 | 2013-08-29 | Panasonic Corp | アンテナ共用器とそれを搭載した電子機器 |
-
1986
- 1986-02-27 JP JP4217586A patent/JPS62199111A/ja active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05251988A (ja) * | 1992-03-04 | 1993-09-28 | Toyo Commun Equip Co Ltd | 縦結合二重モードリーキーsawフィルタ |
US6140890A (en) * | 1997-11-12 | 2000-10-31 | Nec Corporation | Saw filter with multiple reflector pairs |
US6172581B1 (en) * | 1998-05-13 | 2001-01-09 | Sanyo Electric Co., Ltd. | Surface acoustic wave filters with cascaded transversely coupled mode resonator filters |
WO2003073610A1 (fr) * | 2002-02-27 | 2003-09-04 | Fujitsu Media Devices Limited | Appareil a onde de surface elastique |
US7002438B2 (en) * | 2002-02-27 | 2006-02-21 | Fujitsu Media Devices Limited | Surface acoustic wave device with reflection electrodes having pitches that vary |
KR100697763B1 (ko) * | 2004-02-26 | 2007-03-22 | 후지쓰 메디아 데바이스 가부시키가이샤 | 탄성 표면파 장치 |
US7400220B2 (en) | 2004-02-26 | 2008-07-15 | Fujitsu Media Devices Limited | Surface acoustic wave device |
JP2013168996A (ja) * | 2009-04-23 | 2013-08-29 | Panasonic Corp | アンテナ共用器とそれを搭載した電子機器 |
US8723620B2 (en) | 2009-04-23 | 2014-05-13 | Panasonic Corporation | Antenna sharer with a ladder filter |
Also Published As
Publication number | Publication date |
---|---|
JPH0569326B2 (en]) | 1993-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |