JPH0181004U - - Google Patents
Info
- Publication number
- JPH0181004U JPH0181004U JP1987175638U JP17563887U JPH0181004U JP H0181004 U JPH0181004 U JP H0181004U JP 1987175638 U JP1987175638 U JP 1987175638U JP 17563887 U JP17563887 U JP 17563887U JP H0181004 U JPH0181004 U JP H0181004U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- metal
- dielectric substrate
- sides
- main surface
- 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
- 239000002184 metal Substances 0.000 claims 4
- 239000000758 substrate Substances 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案の一実施例のストリツプライン
フイルタの斜視図、第２図は第１図示のストリツ
プラインフイルタの横断面図、第３図は第１図示
のストリツプラインフイルタの縦断面図、第４図
は内部金属カバー１９の斜視図、第５図は内部金
属カバー１９の平面図、第６図は内部金属カバー
１９の側面図、第７図は他の実施例のストリツプ
ラインフイルタの斜視図、第８図は第７図示のス
トリツプラインフイルタに用いられる内部金属カ
バー１９ａの平面図、第９図は内部金属カバー１
９ａの正面図、第１０図は内部金属カバー１９ａ
の側面図、第１１図は内部金属カバー１９ａを設
けない場合の共振電磁界を説明するための断面図
、第１２図は内部金属カバー１９ａを設けた場合
の共振電磁界を説明するための断面図、第１３図
は従来例を示す断面図である。
１１…誘電体基板、１２…共振電極、１３ａ…
全面アース電極、１３ｂ…側面アース電極、１４
ａ…外部引出電極、１７…金属ケース、１９ａ…
内部金属カバー、２４，２４ａ，２４ｂ…折曲片
。
Fig. 1 is a perspective view of a stripline filter according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of the stripline filter shown in Fig. 1, and Fig. 3 is a longitudinal cross-section of the stripline filter shown in Fig. 1. 4 is a perspective view of the internal metal cover 19, FIG. 5 is a plan view of the internal metal cover 19, FIG. 6 is a side view of the internal metal cover 19, and FIG. 7 is a strip view of another embodiment. FIG. 8 is a plan view of the internal metal cover 19a used in the stripline filter shown in FIG. 7, and FIG. 9 is a perspective view of the strip line filter.
9a is a front view, and FIG. 10 is an internal metal cover 19a.
11 is a cross-sectional view for explaining the resonant electromagnetic field when the internal metal cover 19a is not provided, and FIG. 12 is a cross-sectional view for explaining the resonant electromagnetic field when the internal metal cover 19a is provided. 13 are sectional views showing a conventional example. 11... Dielectric substrate, 12... Resonance electrode, 13a...
Full surface earth electrode, 13b... Side earth electrode, 14
a... External extraction electrode, 17... Metal case, 19a...
Internal metal cover, 24, 24a, 24b...bent piece.
Claims (1)
れた共振電極と、他方主面全面および両側面に亘
つて形成されたアース電極と、外部引出電極とを
有するフイルタ素子と、 前記フイルタ素子を囲繞する金属ケースとを備
えるストリツプラインフイルタにおいて、 前記金属ケース内に前記共振電極の少なくとも
一部を非接触的に覆う内部金属カバーが設けられ
ると共に、この金属カバーの対向する側壁にはそ
れぞれフイルタ素子の前記両側面アース電極に弾
発的に当接する折曲片が形成されていることを特
徴とするストリツプラインフイルタ。[Scope of Claim for Utility Model Registration] A dielectric substrate, a resonant electrode formed on one main surface of the dielectric substrate, a ground electrode formed over the entire surface of the other main surface and both sides, and an external extraction electrode. and a metal case surrounding the filter element, wherein an internal metal cover is provided in the metal case to cover at least a part of the resonant electrode in a non-contact manner, and the metal 1. A stripline filter characterized in that the opposite side walls of the cover are formed with bent pieces that elastically abut against the ground electrodes on both sides of the filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17563887U JPH0646082Y2 (en) | 1987-11-17 | 1987-11-17 | Stripline filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17563887U JPH0646082Y2 (en) | 1987-11-17 | 1987-11-17 | Stripline filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0181004U true JPH0181004U (en) | 1989-05-31 |
| JPH0646082Y2 JPH0646082Y2 (en) | 1994-11-24 |
Family
ID=31467423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17563887U Expired - Lifetime JPH0646082Y2 (en) | 1987-11-17 | 1987-11-17 | Stripline filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646082Y2 (en) |
-
1987
- 1987-11-17 JP JP17563887U patent/JPH0646082Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0646082Y2 (en) | 1994-11-24 |