JPS62169535U - - Google Patents
Info
- Publication number
- JPS62169535U JPS62169535U JP5854886U JP5854886U JPS62169535U JP S62169535 U JPS62169535 U JP S62169535U JP 5854886 U JP5854886 U JP 5854886U JP 5854886 U JP5854886 U JP 5854886U JP S62169535 U JPS62169535 U JP S62169535U
- Authority
- JP
- Japan
- Prior art keywords
- side electrode
- substrate
- substrates
- ground
- filter elements
- 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 10
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
第１図は、この考案の一実施例のフイルタを構
成する各要素を分解して示す斜視図である。第２
図は、第１図に示したフイルタ素子２１および２
２ならびに中継容量３への接着剤５の塗布状態を
示す斜視図である。第３図は、第１図に示した要
素からなるフイルタの斜視図である。第４図は、
第３図の線―に沿う拡大断面図である。第５
図は、この考案のフイルタの回路図である。第６
図ないし第９図は、それぞれ、この考案に関連あ
る技術を説明するための図であつて、第１図ない
し第４図はそれぞれ対応している。第１０図ない
し第１２図は、第６図ないし第９図に示したフイ
ルタの欠点を説明する図である。
図において、１はフイルタ、３は中継容量、５
は接着剤、１１は積層体、１２〜１６は延長部、
２１は第１の３端子フイルタ素子、２２は第２の
３端子フイルタ素子、３１，２１１，２２１は基
板、２ａ，３ｃは入力側電極、２ｂ，３ｂ，４ｂ
はアース側電極、２ｃ，３ｄは出力側電極、４ｃ
はホツト側電極、ａ〜ｄは外部電極である。
FIG. 1 is an exploded perspective view showing each element constituting a filter according to an embodiment of the invention. Second
The figure shows filter elements 21 and 2 shown in FIG.
2 is a perspective view showing a state in which adhesive 5 is applied to relay capacitor 2 and relay capacitor 3. FIG. FIG. 3 is a perspective view of a filter consisting of the elements shown in FIG. Figure 4 shows
FIG. 4 is an enlarged sectional view taken along the line - in FIG. 3; Fifth
The figure is a circuit diagram of the filter of this invention. 6th
9 through 9 are diagrams for explaining techniques related to this invention, and FIGS. 1 through 4 correspond to each other, respectively. FIGS. 10 to 12 are diagrams illustrating the drawbacks of the filters shown in FIGS. 6 to 9. In the figure, 1 is a filter, 3 is a relay capacity, and 5 is a filter.
is an adhesive, 11 is a laminate, 12 to 16 are extensions,
21 is a first three-terminal filter element, 22 is a second three-terminal filter element, 31, 211, 221 are substrates, 2a, 3c are input side electrodes, 2b, 3b, 4b
is the ground side electrode, 2c, 3d are the output side electrodes, 4c
is a hot side electrode, and a to d are external electrodes.
Claims (1)
に、第１および第２の３端子フイルタ素子ならび
に中継容量がそれぞれ形成され、前記第１および
第２の基板には、前記第１および第２の３端子フ
イルタ素子をそれぞれ構成するように、入力側電
極、出力側電極およびアース側電極がその端縁部
にまで延びて形成され、前記第３の基板には、前
記中継容量を構成するように、ホツト側電極およ
びアース側電極がその端縁部にまで延びて形成さ
れ、前記第１ないし第３の基板は、前記第１およ
び第２の３端子フイルタ素子の振動を阻害しない
状態で、積層され、当該積層体の外周部において
前記第１および第２の３端子フイルタ素子ならび
に前記中継容量が並列に接続されるように、前記
第１の基板の前記出力側電極と前記第２の基板の
前記入力側電極および前記第３の基板の前記ホツ
ト側電極とがそれぞれ接続され、かつ前記第１な
いし第３の基板の各前記アース側電極が互いに接
続された、フイルタにおいて、 前記第１および第２の基板のそれぞれには、各
前記入力側電極と各前記出力側電極との間を横切
るように、各前記アース側電極から延びる延長部
が形成されたことを特徴とする、フイルタ。[Claims for Utility Model Registration] First and second 3-terminal filter elements and relay capacitors are formed on independent first, second and third substrates, respectively, and is formed with an input-side electrode, an output-side electrode, and a ground-side electrode extending to their edges so as to constitute the first and second three-terminal filter elements, respectively, and the third substrate includes: , a hot-side electrode and a ground-side electrode are formed extending to their edge portions to form the relay capacitance, and the first to third substrates are connected to the first and second three-terminal filter elements. The output of the first substrate is stacked so that the first and second three-terminal filter elements and the relay capacitor are connected in parallel at the outer periphery of the stacked body without inhibiting the vibration of the first substrate. The side electrodes are connected to the input side electrode of the second substrate and the hot side electrode of the third substrate, and the ground side electrodes of the first to third substrates are connected to each other. , in the filter, each of the first and second substrates is formed with an extension extending from each of the ground-side electrodes so as to cross between each of the input-side electrodes and each of the output-side electrodes. A filter featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058548U JPH0638489Y2 (en) | 1986-04-17 | 1986-04-17 | filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058548U JPH0638489Y2 (en) | 1986-04-17 | 1986-04-17 | filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62169535U true JPS62169535U (en) | 1987-10-27 |
| JPH0638489Y2 JPH0638489Y2 (en) | 1994-10-05 |
Family
ID=30889223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986058548U Expired - Lifetime JPH0638489Y2 (en) | 1986-04-17 | 1986-04-17 | filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638489Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59159026U (en) * | 1983-04-11 | 1984-10-25 | 株式会社村田製作所 | Chip type piezoelectric filter |
-
1986
- 1986-04-17 JP JP1986058548U patent/JPH0638489Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59159026U (en) * | 1983-04-11 | 1984-10-25 | 株式会社村田製作所 | Chip type piezoelectric filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638489Y2 (en) | 1994-10-05 |
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