JPS62135223U - - Google Patents
Info
- Publication number
- JPS62135223U JPS62135223U JP2314186U JP2314186U JPS62135223U JP S62135223 U JPS62135223 U JP S62135223U JP 2314186 U JP2314186 U JP 2314186U JP 2314186 U JP2314186 U JP 2314186U JP S62135223 U JPS62135223 U JP S62135223U
- Authority
- JP
- Japan
- Prior art keywords
- saw
- filters
- piezoelectric substrate
- filter
- mode
- 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
- 239000000758 substrate Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図は本考案の一実施例としてのＳＡＷフイ
ルタの概略平面図、第２図はＳＡＷ共振子の詳細
平面図、第３図はＳＡＷフイルタの一部を示す側
面断面図、第４図はフイルタ特性を示す図、第５
図は使用可能な多重モードフイルタの他の例を示
す図である。
１……圧電基板、２，３，４，５……ＳＡＷ共
振子、６，７……多重モードフイルタ、８ａ，８
ｂ，８ｃ，８ｄ……引出電極。
Fig. 1 is a schematic plan view of a SAW filter as an embodiment of the present invention, Fig. 2 is a detailed plan view of a SAW resonator, Fig. 3 is a side sectional view showing a part of the SAW filter, and Fig. 4 is a Diagram showing filter characteristics, 5th
The figure shows another example of a multimode filter that can be used. 1... Piezoelectric substrate, 2, 3, 4, 5... SAW resonator, 6, 7... Multimode filter, 8a, 8
b, 8c, 8d... Extraction electrodes.
Claims (1)
合して構成した多重モードフイルタを少なくとも
２個以上間隔をおいて配すると共に、各多重モー
ドフイルタを電気的に縦続接続してなるＳＡＷフ
イルタにおいて、 前記圧電基板上であつて、多重モードフイルタ
と多重モードフイルタの間に外部接続用の引出電
極を形成したことを特徴とするＳＡＷフイルタ。[Claims for Utility Model Registration] At least two multi-mode filters formed by coupling a plurality of SAW resonators are arranged at intervals on the same piezoelectric substrate, and each multi-mode filter is connected electrically. What is claimed is: 1. A SAW filter formed by cascade-connected SAW filters, characterized in that an extraction electrode for external connection is formed between the multimode filters on the piezoelectric substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2314186U JPH0611640Y2 (en) | 1986-02-20 | 1986-02-20 | SAW filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2314186U JPH0611640Y2 (en) | 1986-02-20 | 1986-02-20 | SAW filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62135223U true JPS62135223U (en) | 1987-08-26 |
| JPH0611640Y2 JPH0611640Y2 (en) | 1994-03-23 |
Family
ID=30821185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2314186U Expired - Lifetime JPH0611640Y2 (en) | 1986-02-20 | 1986-02-20 | SAW filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611640Y2 (en) |
-
1986
- 1986-02-20 JP JP2314186U patent/JPH0611640Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611640Y2 (en) | 1994-03-23 |
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