JPS5957024U - Ladder type piezoelectric filter - Google Patents
Ladder type piezoelectric filterInfo
- Publication number
- JPS5957024U JPS5957024U JP15238482U JP15238482U JPS5957024U JP S5957024 U JPS5957024 U JP S5957024U JP 15238482 U JP15238482 U JP 15238482U JP 15238482 U JP15238482 U JP 15238482U JP S5957024 U JPS5957024 U JP S5957024U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- ladder
- type piezoelectric
- resonance units
- piezoelectric 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.)
- Pending
Links
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のラダー型圧電フィルタの構造を示す縦断
面図、第２図はラダー型フィルタの回路。
図、第３図は本考案に係るラダー型圧電フィルタの一実
施例の斜視図、第４図は圧電共振ユニットの構造を示す
断面図、第５図は第３図のラダー型圧電フィルタに使用
されるプリント基板の平面図、第６図および第７図は夫
々第３図のラダー型圧電フィルタの変型例の説明図、第
８図は本考案に係るラダー型圧電フィルタのいま一つの
実施例の説明図である。 ′
２１・・・圧電共振ユニット、２２・・・圧電共振子、
２３・・・リード端子、２４・・・ケーシング、３１・
・・集結体、３３・・・プリント基板、３５・・・銅箔
、４０・・・集結体、４１・・・プリント基板。FIG. 1 is a vertical cross-sectional view showing the structure of a conventional ladder-type piezoelectric filter, and FIG. 2 is a circuit diagram of the ladder-type filter. Figure 3 is a perspective view of one embodiment of the ladder-type piezoelectric filter according to the present invention, Figure 4 is a sectional view showing the structure of the piezoelectric resonance unit, and Figure 5 is used in the ladder-type piezoelectric filter shown in Figure 3. FIGS. 6 and 7 are respectively explanatory diagrams of modified examples of the ladder-type piezoelectric filter shown in FIG. 3, and FIG. 8 is another embodiment of the ladder-type piezoelectric filter according to the present invention. FIG. ' 21... Piezoelectric resonator unit, 22... Piezoelectric resonator,
23...Lead terminal, 24...Casing, 31.
... Aggregate, 33... Printed circuit board, 35... Copper foil, 40... Aggregate, 41... Printed circuit board.
Claims (3)
して上記ケーシング外に２端子型圧電共振子の引出端子
を引き出してなる複数個の圧電共振ユニットを上記引出
端子の引出し方向をそろえて集結し、これら圧電共振ユ
ニットの引出端子を上記圧電共振ユニットがラダー回路
を形成するように接続したことを特徴とするラダー型圧
電フィルタ。 。(1) A plurality of piezoelectric resonator units are formed by housing a two-terminal piezoelectric resonator in one casing and pulling out the pull-out terminals of the two-terminal piezoelectric resonator outside the casing, with the pull-out directions of the pull-out terminals aligned. A ladder-type piezoelectric filter characterized in that the piezoelectric resonance units are assembled together, and the lead terminals of the piezoelectric resonance units are connected so that the piezoelectric resonance units form a ladder circuit. .
り付けたフィルタ基板によりラダー回路を形成するよう
にしたことを特徴とする実用新案登録請求の範囲第１項
記載のラダー型圧電フィルタ。(2) The ladder-type piezoelectric filter according to claim 1, wherein a ladder circuit is formed by a filter substrate attached to an assembly of a plurality of piezoelectric resonance units.
路基板に取り付けることによりラダー回路を形成するよ
うにしたことを特徴とする実用新案登録請求の範囲第１
項記載のラダー型圧電フィルタ。(3) Utility model registration claim 1, characterized in that a ladder circuit is formed by attaching a plurality of piezoelectric resonance units to a circuit board.
Ladder type piezoelectric filter as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15238482U JPS5957024U (en) | 1982-10-06 | 1982-10-06 | Ladder type piezoelectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15238482U JPS5957024U (en) | 1982-10-06 | 1982-10-06 | Ladder type piezoelectric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5957024U true JPS5957024U (en) | 1984-04-13 |
Family
ID=30337418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15238482U Pending JPS5957024U (en) | 1982-10-06 | 1982-10-06 | Ladder type piezoelectric filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5957024U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0210909A (en) * | 1988-06-28 | 1990-01-16 | Murata Mfg Co Ltd | Piezoelectric resonance component, its manufacture and piezoelectric resonator device |
| JPH04236512A (en) * | 1991-01-18 | 1992-08-25 | Murata Mfg Co Ltd | Ladder type piezoelectric component |
| JP2003101385A (en) * | 2001-09-25 | 2003-04-04 | Tdk Corp | Resonance filter, duplexer and method for regulating their characteristics |
-
1982
- 1982-10-06 JP JP15238482U patent/JPS5957024U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0210909A (en) * | 1988-06-28 | 1990-01-16 | Murata Mfg Co Ltd | Piezoelectric resonance component, its manufacture and piezoelectric resonator device |
| JPH04236512A (en) * | 1991-01-18 | 1992-08-25 | Murata Mfg Co Ltd | Ladder type piezoelectric component |
| JP2003101385A (en) * | 2001-09-25 | 2003-04-04 | Tdk Corp | Resonance filter, duplexer and method for regulating their characteristics |
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