JPH0262828U - - Google Patents
Info
- Publication number
- JPH0262828U JPH0262828U JP14130688U JP14130688U JPH0262828U JP H0262828 U JPH0262828 U JP H0262828U JP 14130688 U JP14130688 U JP 14130688U JP 14130688 U JP14130688 U JP 14130688U JP H0262828 U JPH0262828 U JP H0262828U
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- thickness shear
- filter
- adjustment capacitor
- thickness
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図ａは、本考案によるセラミツクフイルタ
に用いる振動子の斜視図、第１図ｂは、第１図ａ
に示す振動子の側面図、第２図は本考案によるセ
ラミツクフイルタの一実施例を示す斜視図、第３
図は従来のセラミツクフイルタを示す斜視図、第
４図は第３図のセラミツクフイルタの等化回路図
、第５図ａおよびｂは、従来の振動子を示す斜視
図である。
図において、１０１，１０２，３０７，３１３
……振動子、３０１……入力端子、３０２……出
力端子、３０３……接地端子、３０４，３０６，
３０８，３１２，３１４，３１６，３１７……導
電性接着剤、３０５，３０９，３１１，３１５…
…サポート、３１０……コンデンサ。
FIG. 1a is a perspective view of a vibrator used in a ceramic filter according to the present invention, and FIG. 1b is a perspective view of a vibrator used in a ceramic filter according to the present invention.
2 is a side view of the vibrator shown in FIG. 2, a perspective view showing an embodiment of the ceramic filter according to the present invention, and
This figure is a perspective view of a conventional ceramic filter, FIG. 4 is an equalization circuit diagram of the ceramic filter of FIG. 3, and FIGS. 5a and 5b are perspective views of a conventional vibrator. In the figure, 101, 102, 307, 313
... Vibrator, 301 ... Input terminal, 302 ... Output terminal, 303 ... Ground terminal, 304, 306,
308, 312, 314, 316, 317... Conductive adhesive, 305, 309, 311, 315...
...Support, 310...Capacitor.
Claims (1)
端が電気的に接続された第１の厚みすべりセラミ
ツク振動子と、第１の厚みすべりセラミツク振動
子の他端に電気的に接続されたフイルタ特性調整
用コンデンサと、このフイルタ特性調整用コンデ
ンサに接続された接地端子と、前記フイルタ特性
調整用コンデンサに一端が接続された第２の厚み
すべりセラミツク振動子と、この第２の厚みすべ
りセラミツク振動子の他端に接続された出力端子
とからなるセラミツクフイルタにおいて、前記第
１および第２の厚みすべりセラミツク振動子の、
厚みすべり振動の伝幡方向に直角な方向の２端面
のうち少なくとも１端面がコンベツクス形状を有
することを特徴とするセラミツクフイルタ。 An input terminal for inputting a signal, a first thickness shear ceramic vibrator having one end electrically connected to the input terminal, and a filter characteristic electrically connected to the other end of the first thickness shear ceramic vibrator. An adjustment capacitor, a ground terminal connected to the filter characteristic adjustment capacitor, a second thickness shear ceramic resonator whose one end is connected to the filter characteristic adjustment capacitor, and this second thickness shear ceramic resonator. and an output terminal connected to the other end of the ceramic filter, the first and second thickness-slip ceramic vibrators having:
A ceramic filter characterized in that at least one of the two end faces in a direction perpendicular to the propagation direction of thickness shear vibration has a convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14130688U JPH0262828U (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14130688U JPH0262828U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0262828U true JPH0262828U (en) | 1990-05-10 |
Family
ID=31406256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14130688U Pending JPH0262828U (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0262828U (en) |
-
1988
- 1988-10-28 JP JP14130688U patent/JPH0262828U/ja active Pending
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