JPH0288302U - - Google Patents
Info
- Publication number
- JPH0288302U JPH0288302U JP16788888U JP16788888U JPH0288302U JP H0288302 U JPH0288302 U JP H0288302U JP 16788888 U JP16788888 U JP 16788888U JP 16788888 U JP16788888 U JP 16788888U JP H0288302 U JPH0288302 U JP H0288302U
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- recesses
- dielectric block
- holes
- dielectric
- 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
- 239000004020 conductor Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図はこの考案の第１実施例の構成を示す斜
視図、第２図は同実施例の構成を示す平面図、第
３図は第２図のＡ―Ａ線視断面図、第４図は第２
図のＢ―Ｂ線視断面図、第５図はこの考案の第２
実施例の構成を示す平面図、第６図は第５図のＡ
―Ａ線視断面図、第７図は第５図のＢ―Ｂ線視断
面図、第８図はこの考案の第３実施例の構成を示
す斜視図、第９図は同実施例の構成を示す平面図
、第１０図は第９図のＡ―Ａ線視断面図、第１１
図は第９図のＢ―Ｂ線視断面図、第１２図はこの
考案の第１実施例の伝送特性を示すグラフ、第１
３図はこの考案の第１実施例による誘電体フイル
タの等価回路図、第１４図は従来の誘電体フイル
タの構成を示す平面図、第１５図は第１４図のＡ
―Ａ線視断面図、第１６図は第１４図のＢ―Ｂ線
視断面図である。
１…誘電体ブロツク、１ａ…開放端面、１ｂ…
裏面、２ａ〜２ｃ…貫通孔、３…外部導体、５…
短絡導体、４ａ〜４ｃ…内部導体、８ａ〜８ｃ…
凹部、９…凹溝、１０ａ〜１０ｆ…対向電極、１
２ａ〜１２ｆ…結合電極、１３ａ〜１３ｃ…接続
導体。
Fig. 1 is a perspective view showing the structure of the first embodiment of this invention, Fig. 2 is a plan view showing the structure of the same embodiment, Fig. 3 is a sectional view taken along line A--A in Fig. 2, and Fig. The figure is the second
The sectional view taken along the line B-B in the figure, Figure 5 is the second version of this invention.
A plan view showing the configuration of the embodiment, FIG. 6 is A of FIG.
- A cross-sectional view taken along line A, FIG. 7 is a cross-sectional view taken along line B-B in FIG. 5, FIG. 8 is a perspective view showing the configuration of a third embodiment of this invention, and FIG. 9 is a configuration of the same embodiment. 10 is a sectional view taken along the line AA in FIG. 9, and FIG.
The figure is a sectional view taken along the line B-B in Figure 9, and Figure 12 is a graph showing the transmission characteristics of the first embodiment of this invention.
3 is an equivalent circuit diagram of a dielectric filter according to the first embodiment of this invention, FIG. 14 is a plan view showing the configuration of a conventional dielectric filter, and FIG. 15 is a diagram showing A of FIG. 14.
16 is a sectional view taken along the line B--B in FIG. 14. 1...Dielectric block, 1a...Open end surface, 1b...
Back surface, 2a to 2c...through hole, 3...outer conductor, 5...
Short circuit conductor, 4a to 4c...Inner conductor, 8a to 8c...
Concave portion, 9... Concave groove, 10a to 10f... Counter electrode, 1
2a to 12f...coupling electrodes, 13a to 13c...connecting conductors.
Claims (1)
が形成された略直方体形状の誘電体ブロツクの外
周面に外部導体を、前記各貫通孔の内周面に内部
導体を各々設け、前記誘電体ブロツクの裏面に、
前記外部導体と前記各内部導体間を短絡する短絡
導体を設けて成る誘電体フイルタにおいて、 前記誘電体ブロツクの開放端面の前記各貫通孔
が開口する部分に各々凹部を設け、これら各凹部
の配列方向に沿つて、前記各凹部よりも幅が狭く
、かつ浅い凹溝を設けると共に、前記各凹部の内
面に、前記誘電体ブロツクの一部を介して前記外
部導体と対向する対向電極と、隣接するもの同志
が互いに電磁界結合する結合電極と、これら対向
電極および結合電極を前記内部導体に接続する接
続導体とを設けたことを特徴とする誘電体フイル
タ。[Claims for Utility Model Registration] An approximately rectangular parallelepiped dielectric block having a plurality of through holes penetrating from the open end surface to the back surface thereof, an outer conductor on the outer circumferential surface, and an inner conductor on the inner circumferential surface of each of the through holes. are respectively provided, and on the back surface of the dielectric block,
In a dielectric filter comprising a short-circuiting conductor that short-circuits between the outer conductor and each of the inner conductors, a recess is provided in a portion of the open end surface of the dielectric block where each of the through holes opens, and an arrangement of each of these recesses is provided. A groove narrower and shallower than each of the recesses is provided along the direction, and a counter electrode facing the external conductor through a part of the dielectric block is provided on the inner surface of each of the recesses, and an adjacent electrode is provided on the inner surface of each of the recesses. 1. A dielectric filter comprising: a coupling electrode that electromagnetically couples the filters to each other; and a connecting conductor that connects these opposing electrodes and the coupling electrode to the internal conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16788888U JPH0715204Y2 (en) | 1988-12-26 | 1988-12-26 | Dielectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16788888U JPH0715204Y2 (en) | 1988-12-26 | 1988-12-26 | Dielectric filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0288302U true JPH0288302U (en) | 1990-07-12 |
| JPH0715204Y2 JPH0715204Y2 (en) | 1995-04-10 |
Family
ID=31699670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16788888U Expired - Lifetime JPH0715204Y2 (en) | 1988-12-26 | 1988-12-26 | Dielectric filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715204Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003051702A (en) * | 2001-05-30 | 2003-02-21 | Murata Mfg Co Ltd | Dielectric filter, dielectric duplexer, and communication equipment |
-
1988
- 1988-12-26 JP JP16788888U patent/JPH0715204Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003051702A (en) * | 2001-05-30 | 2003-02-21 | Murata Mfg Co Ltd | Dielectric filter, dielectric duplexer, and communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0715204Y2 (en) | 1995-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |