JPS5939534U - Ladder-shaped ceramic filter - Google Patents
Ladder-shaped ceramic filterInfo
- Publication number
- JPS5939534U JPS5939534U JP13637282U JP13637282U JPS5939534U JP S5939534 U JPS5939534 U JP S5939534U JP 13637282 U JP13637282 U JP 13637282U JP 13637282 U JP13637282 U JP 13637282U JP S5939534 U JPS5939534 U JP S5939534U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- ceramic filter
- shaped ceramic
- electrode plate
- area
- 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図は梯子形セラミックフィルタの概略回路図、第２
図は梯子形セラミックフィルタの断面図、第３［ｆｆ１
ａ、 ｂは従来の梯子形セラミックフィルタを構成す
る電極板の斜視図と断面図、第４図は従来の梯子形セラ
ミックフィルタの各種特性図、第 −５図ａ、
ｂは本考案の梯子形セラミックフィルタを構成する電
極板の斜視図と断面図、第６図は本考案を説明するため
の圧電磁器共振子と電極板突起との面積比と機械的Ｑｍ
との関係図、第７図は本考案の電極板と従来の電極板を
用いた時の圧電磁器共振子の周波数特性図、第８図は本
考案の梯子形セラミックフィルタの各種特性図である。
１．２・・・圧電磁器共振子、４・・・絶縁板、５・・
・ケース、７・・・電極板、８・・・突起。
第３図
一／−ｊ
１１１′ へ １１ し３
１ ” ＋＋ｌｌｌ Ａ
Ｊｆｌ、−１代
二″ −」−
代理人の氏名Figure 1 is a schematic circuit diagram of a ladder-type ceramic filter, Figure 2
The figure is a cross-sectional view of a ladder-shaped ceramic filter, No. 3 [ff1
a and b are a perspective view and a cross-sectional view of an electrode plate constituting a conventional ladder-shaped ceramic filter, FIG. 4 is a diagram showing various characteristics of a conventional ladder-shaped ceramic filter, and FIG.
b is a perspective view and a cross-sectional view of the electrode plate constituting the ladder-shaped ceramic filter of the present invention, and Fig. 6 shows the area ratio and mechanical Qm of the piezoelectric ceramic resonator and the electrode plate protrusion to explain the present invention.
Figure 7 is a frequency characteristic diagram of a piezoelectric ceramic resonator when using the electrode plate of the present invention and a conventional electrode plate, and Figure 8 is a diagram of various characteristics of the ladder-shaped ceramic filter of the present invention. . 1.2... Piezoelectric ceramic resonator, 4... Insulating plate, 5...
・Case, 7...electrode plate, 8...protrusion. Figure 3 1/-j 111' to 11 3 1 '' ++llll A Jfl, -1 generation 2''-'' - Name of agent
Claims (1)
る電極板と、適宜の箇所に配置させた絶縁板とをケース
内に収納し、前記電極板の突起平面積を前記圧電磁器共
振子面積に対し、０．０４〜０．０６倍にした梯子形セ
ラミックフィルタ。A plurality of piezoelectric ceramic resonators, an electrode plate having protrusions for sandwiching the resonators, and an insulating plate placed at appropriate locations are housed in a case, and the planar area of the protrusions on the electrode plate is determined as the area of the piezoelectric ceramic resonator. A ladder-shaped ceramic filter whose area is 0.04 to 0.06 times larger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13637282U JPS5939534U (en) | 1982-09-08 | 1982-09-08 | Ladder-shaped ceramic filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13637282U JPS5939534U (en) | 1982-09-08 | 1982-09-08 | Ladder-shaped ceramic filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5939534U true JPS5939534U (en) | 1984-03-13 |
Family
ID=30306656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13637282U Pending JPS5939534U (en) | 1982-09-08 | 1982-09-08 | Ladder-shaped ceramic filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939534U (en) |
-
1982
- 1982-09-08 JP JP13637282U patent/JPS5939534U/en active Pending
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