JPH01125001A - Dielectric filter - Google Patents
Dielectric filterInfo
- Publication number
- JPH01125001A JPH01125001A JP28204587A JP28204587A JPH01125001A JP H01125001 A JPH01125001 A JP H01125001A JP 28204587 A JP28204587 A JP 28204587A JP 28204587 A JP28204587 A JP 28204587A JP H01125001 A JPH01125001 A JP H01125001A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric filter
- dielectric
- filter
- conductor layer
- fitting plate
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 9
- 238000010168 coupling process Methods 0.000 abstract description 9
- 238000005859 coupling reaction Methods 0.000 abstract description 9
- 229910000679 solder Inorganic materials 0.000 abstract description 9
- 239000000853 adhesive Substances 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract description 2
- 229920003002 synthetic resin Polymers 0.000 description 8
- 239000000057 synthetic resin Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000272201 Columbiformes Species 0.000 description 1
- 241000282806 Rhinoceros Species 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- -1 such as K Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/301—Assembling printed circuits with electric components, e.g. with resistor by means of a mounting structure
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、複数の誘電体共振器を一体に構成した誘電
体フィルタに関し、特に、誘電体フィルタを印刷配線板
等の基板に取付けるための構造に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a dielectric filter integrally configured with a plurality of dielectric resonators, and in particular, to a dielectric filter for mounting a dielectric filter on a substrate such as a printed wiring board. It's about structure.
（従来の技術）
誘電体材料であるセラミック材料を用いて、−体に構成
された誘電体フィルタの構造については、例えば特開昭
５７−４８８０１号公報、又は特開昭６１−８０９０１
号公報に説明されている。この誘電体フィルタは、外導
体に十分なアースを与える必要があるので、導電性ハウ
ジング内に導電性接着剤又はハンダにより、固定する構
造を採っていた。(Prior Art) Regarding the structure of a dielectric filter configured in a negative body using a ceramic material as a dielectric material, for example, Japanese Patent Application Laid-Open No. 57-48801 or Japanese Patent Application Laid-Open No. 61-80901
It is explained in the publication. Since this dielectric filter needs to provide sufficient grounding to the outer conductor, it has been fixed in a conductive housing with a conductive adhesive or solder.
（発明が解決しようとする問題点）
上述の構成の誘電体フィルタは、導電性ハウジング内に
載置されたものであるので、外形が大きくなシ、その結
果として印刷配線板上のスペース及び筐体の空間を有効
に活用する上での妨げとなっていた。(Problems to be Solved by the Invention) Since the dielectric filter having the above-mentioned configuration is placed in a conductive housing, it has a large external shape, and as a result, it takes up space on the printed wiring board and the housing. This hindered the effective use of body space.
（問題点を解決するための手段）
本発明は、上面と底面とを有し、この上面から底面へ貫
通した複数の共振器用穴部を有する誘電体と、前記穴部
に設けられた内導体と、前記誘電体の外部に設けられた
外部導体であって、前記内導体と前記誘電体の一方の面
でのみ短絡した外部導体と、前記誘電体の他方の面側の
一端部に設けられた入力手段と他端部に設けられた出力
手段とを有した誘電体フィルタにおいて、前記外部導体
に固着された導電性を有する取付板でありて、基板搭載
用取付部と、前記入力手段と前記出力手段とが直接結合
するのを遮断する遮断部とを有した取付板を有したこと
を特徴としたものでるる。(Means for Solving the Problems) The present invention provides a dielectric body having a top surface and a bottom surface, a plurality of resonator holes penetrating from the top surface to the bottom surface, and an inner conductor provided in the holes. and an outer conductor provided outside the dielectric, the outer conductor being short-circuited only on one surface of the inner conductor and the dielectric, and an outer conductor provided at one end of the other surface of the dielectric. In the dielectric filter, the dielectric filter has an input means provided at the other end and an output means provided at the other end, the mounting plate having conductivity fixed to the external conductor, and comprising a mounting part for board mounting and an output means provided at the other end. The device is characterized in that it has a mounting plate having a blocking portion that blocks direct connection with the output means.
以下、実施例を用いてその作用、効果を詳細に説明する
。Hereinafter, the operation and effects will be explained in detail using Examples.
（実施例）
まず、本発明に用いるのに適した誘電体フィルタの構成
を第２図及び第３図を用いて説明する。(Example) First, the structure of a dielectric filter suitable for use in the present invention will be described with reference to FIGS. 2 and 3.
誘電体フィルタ１００は、セラミックからなる長方形の
固体形状ブロック１０１を有している。The dielectric filter 100 has a rectangular solid block 101 made of ceramic.
このブロック１０１は、並列に丸い孔１０２〜１０７を
有し、その各々はブロック１０１の上面から底面へと延
びている。その孔１０２〜１０７の各々は、第３図に示
すようＫ、銀或いは銅などの中心導体としての内面導体
層１０Ｂで覆われる。This block 101 has parallel round holes 102 to 107, each of which extends from the top surface of the block 101 to the bottom surface. Each of the holes 102-107 is covered with an inner conductor layer 10B as a center conductor, such as K, silver, or copper, as shown in FIG.
また、ブロック１０１の底面には焼成された銀や銅イー
ストなどの底面導体層１１８が設けられ、この導体層１
１８でもって、底面において内面導体層１０８と電気的
に接続される。更に、その底面導体層１１８はブロック
１０１の外側面に設けられる焼成された銀又は銅イース
トなどの外側面導体層１１９と接続されている。Further, a bottom conductor layer 118 made of fired silver or copper yeast is provided on the bottom of the block 101.
18, it is electrically connected to the inner conductor layer 108 at the bottom surface. In addition, the bottom conductor layer 118 is connected to an outer surface conductor layer 119, such as fired silver or copper yeast, provided on the outer surface of the block 101.
一方、ブロック１０１は導電パターン１１０〜１１５を
有し、その各々は長方形をしておシ、対応する孔の端面
を取シ囲むようにブロック１０１の上面に設けられ、そ
れぞれ内面導体層１０８に接続される。これらの導電ノ
ぐターン１１０〜１１５は隣接する誘電体共振器を結合
するために電磁界結合器として作用する。On the other hand, the block 101 has conductive patterns 110 to 115, each of which has a rectangular shape, is provided on the upper surface of the block 101 so as to surround the end surface of the corresponding hole, and is connected to the inner conductive layer 108, respectively. be done. These conductive turns 110-115 act as electromagnetic couplers to couple adjacent dielectric resonators.
更に、この誘電体フィルタ１００は有機合成樹脂層１２
０、望ましくはエポキシ樹脂を含むレジスト材料である
半田レジスト材料からなる層を有する。その有機合成樹
脂層１２０は少なくとも導電ノＪ？ターン１１０〜１１
５、入力及び出カバターン１１６，１１７、内面導体層
１０８、底面導体層１１８及び外側面導体層１１９を除
いた、露出した誘電体部分を覆う。有機合成樹脂層１２
０は、第２図に示すように、入力及び出力／４’ターン
１１６゜１１２及び導電パターン１１０〜１１５の一部
を覆うようにする。また、有機合成樹脂層は、誘電体フ
ィルタ１００の上面の全体を覆うようＫしてもよい。な
お、誘電体共振器間或いは誘電体共振器と入出力端子間
の結合に比して結合の影響が少ない露出した誘電体の部
分、例えば、入出力端子と外側面導体層との間の露出し
た誘電体の部分には有機合成樹脂層を堆積しなくても差
し支えない。Furthermore, this dielectric filter 100 has an organic synthetic resin layer 12.
0, preferably has a layer made of a solder resist material, which is a resist material containing an epoxy resin. The organic synthetic resin layer 120 is at least conductive. Turns 110-11
5. Cover the exposed dielectric parts except for the input and output cover turns 116, 117, the inner conductor layer 108, the bottom conductor layer 118 and the outer conductor layer 119. Organic synthetic resin layer 12
0 covers the input and output/4' turns 116° 112 and a portion of the conductive patterns 110-115, as shown in FIG. Further, the organic synthetic resin layer may be formed to cover the entire upper surface of the dielectric filter 100. Note that exposed parts of the dielectric where the influence of coupling is less than that between dielectric resonators or between a dielectric resonator and an input/output terminal, such as the exposed part between an input/output terminal and an outer surface conductor layer. There is no problem even if the organic synthetic resin layer is not deposited on the dielectric portion.
この誘電体フィルタ６０の共振周波数の調整操作及びこ
の結合度の〜調整は導電・臂ターン１１０〜１１５のト
リミングによって行われる。その調整操作は有機合成樹
脂層１２０の堆積前か、或いは、望ましくは、最終調整
出来るように、その堆積後に行われる。Adjustment of the resonant frequency of the dielectric filter 60 and adjustment of the degree of coupling are performed by trimming the conductive arm turns 110 to 115. The adjustment operation is performed either before the deposition of the organic synthetic resin layer 120 or, desirably, after its deposition to allow final adjustment.
調整操作が、有機合成樹脂層１２０の堆積後に実施され
る場合には、そのフィルタは再び剥き出しの誘電体部分
を有することになるが、その剥き出しの部分は一般には
小さいので、無視し得る。If the conditioning operation is carried out after the deposition of the organic synthetic resin layer 120, the filter will again have bare dielectric parts, but the bare parts are generally small and can be ignored.
その無視した結果として、その誘電体フィルタの雰囲気
に対する特性劣化の影響は小さい。As a result of ignoring this, the influence of characteristic deterioration on the atmosphere of the dielectric filter is small.
必要に応じて、その再び剥き出しになった誘電体部分を
有機合成樹脂層の堆積によシ、覆うようにすることがで
きることは言うまでもない。It goes without saying that if necessary, the dielectric portion exposed again can be covered by depositing a layer of organic synthetic resin.
このように構成するために、誘電体共振器は耐候性に優
れ、誘電体共振器の電磁界の伝播特性が変動することが
なく、特性が安定な誘電体フィルタを得ることができる
。Because of this configuration, the dielectric resonator has excellent weather resistance, and the electromagnetic field propagation characteristics of the dielectric resonator do not fluctuate, making it possible to obtain a dielectric filter with stable characteristics.
以上説明した本発明に用いるのに適した誘電体フィルタ
については、本願出願人によりて出願された特願昭６２
−１１２４３６号明細書にさらに詳細に説明されている
。Regarding the dielectric filter suitable for use in the present invention as described above, Japanese Patent Application No. 1986 filed by the applicant of the present application
It is explained in more detail in the specification of Japanese Patent Application No.-112436.
次に、本発明第１の実施例の構成を第１図を用いて説明
する。Next, the configuration of the first embodiment of the present invention will be explained using FIG.
第１のフィルタ１０は、上述した構成の誘電体フィルタ
１１の入出力手段に第１の周波数信号が入出力する第１
の端子１３及び第２の端子１４を各々接続し、さらに誘
電体フィルタ１１の外部導体である外側面導体層に導電
性の取付板１２を固着させて構成されている。この取付
板１２は、その一端を誘電体フィルタ１１の外側面導体
層の一面に導電性接着剤又は半田によシ固着されたもの
であり、その他端を誘電体フィルタ１１の外側面導体層
の対向する面に同様に固着されておシ、その中間部にお
いて誘電体フィルタ１１の上面の一部を覆って構成され
ている。さらに、この取付板１２は、アースに接続する
基板搭載用の取付足１５を有している。The first filter 10 is a first filter through which a first frequency signal is input/output to/from the input/output means of the dielectric filter 11 configured as described above.
The terminal 13 and the second terminal 14 of the dielectric filter 11 are connected to each other, and a conductive mounting plate 12 is fixed to the outer surface conductor layer which is the outer conductor of the dielectric filter 11. This mounting plate 12 has one end fixed to one surface of the outer conductor layer of the dielectric filter 11 with a conductive adhesive or solder, and the other end fixed to one surface of the outer conductor layer of the dielectric filter 11. The dielectric filter 11 is similarly fixed to the opposing surfaces, and covers a part of the upper surface of the dielectric filter 11 at an intermediate portion thereof. Furthermore, this mounting plate 12 has mounting legs 15 for mounting a board connected to ground.
また、第２のフィルタ２０は、第１のフィルタと同様に
構成されておシ、即ち誘電体フィルタ２１の入出力手段
に第２の周波数信号が入出力する第１の端子２３及び第
２の端子２４を各々接続し、さらに誘電体フィルタ２１
の外側面導体層に基板搭載用の取付足２５を有した導電
性の取付板２２を固着させて構成されている。Further, the second filter 20 is configured in the same manner as the first filter, and has a first terminal 23 and a second terminal through which the second frequency signal is input/output to the input/output means of the dielectric filter 21. The terminals 24 are connected to each other, and the dielectric filter 21 is further connected to the terminals 24.
A conductive mounting plate 22 having mounting feet 25 for mounting a board is fixed to the outer conductor layer of the board.
以上の構成によシ、第１及び第２のフィルタ１０．２σ
は、取付板１２．２２によジメタライズされている外側
面導体層の外力による破損から保護されると共に、取付
板の中間部によシ、入力手段と出力手段との間及び第１
の端子２３と第２の端子２４との間の直接的な電界及び
磁界結合が遮断される。また、誘電体フィルタ１１．２
１は、取付板１２．２２によシ外導体に十分なアースが
与えられる。According to the above configuration, the first and second filters are 10.2σ
is protected from damage due to external forces to the outer surface conductor layer which is dimetalized by the mounting plate 12.22, and is protected by the intermediate part of the mounting plate between the input means and the output means and between the first and second
Direct electric field and magnetic field coupling between the terminal 23 and the second terminal 24 is interrupted. In addition, the dielectric filter 11.2
1, sufficient grounding is provided to the outer conductor by the mounting plate 12.22.
第１及び第２のフィルタ１０，２０がガラ・ニブ又はア
ルミナで構成された印刷配線板３０は、第１及び第２の
フィルタの入出力端子１３，１４゜２３．２４及び取付
足１５．２５が各々挿入される穴３１〜３６、第１のフ
ィルタ１０の出力端子１４が挿入される穴３２と第２の
フィルタの入力端子２３が挿入される穴３２と第１と第
２のフィルタの共用端子が装着される穴３２との間を接
続する分波回路３８を具備している。なお、印刷配線板
３０は、第１と第２のフィルタの搭載及び分波回路の形
成領域外は、他の部品が実装されている。The printed wiring board 30 on which the first and second filters 10 and 20 are made of glass nibs or alumina has input/output terminals 13 and 14°23.24 and mounting feet 15 and 25 of the first and second filters. are inserted into the holes 31 to 36, hole 32 into which the output terminal 14 of the first filter 10 is inserted, hole 32 into which the input terminal 23 of the second filter is inserted, and the first and second filters share A branching circuit 38 is provided to connect the terminal to the hole 32 into which the terminal is attached. Note that other components are mounted on the printed wiring board 30 outside the area where the first and second filters are mounted and where the branching circuit is formed.
分波回路３８は第１の周波数信号が第１のフィルタの出
力端子用穴３２から共用端子用穴３７に出力され、又第
２の周波数信号が共用端子用穴３７から第２のフィルタ
の入力端子用穴３３に入力される様に分波機能を有する
ものである。The branching circuit 38 outputs the first frequency signal from the output terminal hole 32 of the first filter to the common terminal hole 37, and outputs the second frequency signal from the common terminal hole 37 to the input of the second filter. It has a branching function so that the signal is input to the terminal hole 33.
以上の如く構成された本発明第１の実施例によれば、誘
電体フィルタを導電性ハウジング内に載置することなく
直接印刷配線板上に搭載することができるので、印刷配
線板上のスペース及び筐体空間を削減することができる
。また、取付板により、誘電体フィルタの入力手段と出
力手段との間が直接結合することがほとんどなくなるの
で、安定したフィルタ特性を得ることができする。According to the first embodiment of the present invention configured as described above, the dielectric filter can be mounted directly on the printed wiring board without being placed inside the conductive housing, so that the dielectric filter can be mounted directly on the printed wiring board. And the housing space can be reduced. Further, since the mounting plate almost eliminates direct coupling between the input means and output means of the dielectric filter, stable filter characteristics can be obtained.
次に、本発明第２の実施例の構成を第４図を用いて説明
する。なお、第１図と実質的に同じ構成部分については
同意で同一符号を付している。Next, the configuration of the second embodiment of the present invention will be explained using FIG. 4. Components that are substantially the same as those in FIG. 1 are designated by the same reference numerals.
第１のフィルタ４０及び第２のフィルタ５０は、誘電体
フィルタ１１．２１の外側面導体層の一面を印刷配線板
３０のアースされた部分へ、導伝性接着剤又はハンダに
よシ各々本固着されて、印刷配線板３０に搭載されてお
シ、さらに誘電体フィルタ１１．２１の外側面導体層の
対向面に導伝性の取付板Ｉｌｌ、２Ｂの各一端部を同様
に各々れ固着して構成されている。この取付板１８．２
８の各々の他端部は、取付は足が設けられておシ、誘電
体フィルタ１１の上部の一部を覆うと共に印刷配線板３
０のアースされている取付穴３５．３６に挿入され、ハ
ンダで固定される。The first filter 40 and the second filter 50 are each attached by attaching one side of the outer conductor layer of the dielectric filter 11.21 to a grounded portion of the printed wiring board 30 using a conductive adhesive or solder. The conductive mounting plates Ill and 2B are fixedly mounted on the printed wiring board 30, and one end of each of the conductive mounting plates Ill and 2B is similarly fixed to the opposite surface of the outer conductor layer of the dielectric filter 11.21. It is configured as follows. This mounting plate 18.2
The other end of each of 8 is provided with a foot for mounting, covers a part of the upper part of the dielectric filter 11, and is attached to the printed wiring board 3.
It is inserted into the grounded mounting holes 35 and 36 of 0 and fixed with solder.
以上説明した様に、本発明第２の実施例によれば、第１
の実施例で述べた効果の他に、取付板を簡単化した構成
とすることができるので、よりコストの低減を計ること
ができる。As explained above, according to the second embodiment of the present invention, the first
In addition to the effects described in the embodiment, since the mounting plate can have a simplified configuration, it is possible to further reduce costs.
次に、本発明第３及び第４の実施例について、第５図及
び第６図を用いて説明する。Next, third and fourth embodiments of the present invention will be described with reference to FIGS. 5 and 6.
本発明第３の実施例のフィルタ６０は、第５図（ｂ）に
示すように誘電体フィルタ１ノの外側面導体層の一面を
導電性の取付板６１に導電性接着剤又はハンダによシ固
着させる。この取付板６１は、取付足６３を有すると共
に、入出力手段を覆うごとく設けられた逆り字形状の遮
蔽部６２を有している。As shown in FIG. 5(b), the filter 60 of the third embodiment of the present invention has one surface of the outer conductor layer of the dielectric filter 1 attached to a conductive mounting plate 61 with conductive adhesive or solder. Fix it firmly. The mounting plate 61 has mounting legs 63 and an inverted-shaped shielding portion 62 provided to cover the input/output means.
この遮へい部６２によシ、誘電体フィルタ１１０入力手
段と出力手段とが直接結合するのを遮断することができ
る。なお、この遮へい部６２は、人出手段を両方覆うも
のであっても、一方のみを覆うものであっても良い。This shielding portion 62 can block direct coupling between the input means and the output means of the dielectric filter 110. In addition, this shielding part 62 may cover both of the means for exiting people, or may cover only one of them.
また、本発明第４の実施例のフィルタ７ｏは、第６図（
ｂ）Ｋ示すようＫ、誘電体フィルタ１１の外側面導体層
の一面を導電性の取付板７１に導電性接着剤又はハンダ
によシ固着させる。この取付板６１は、取付足７３を有
すると共に、遮へい部１２先端部が誘電体フィルタ１１
の外側面導体層の対向面に導電性接着剤又は半田によシ
固着され、その中間部において、誘電体フィルタ１１の
上面の一部を覆って構成されている。この遮へい部７２
１１Ｃより、誘電体フィルタ１１の入力手段と出力手段
が直接結合するのを遮断することができる。Further, the filter 7o of the fourth embodiment of the present invention is shown in FIG.
b) As shown in K, one surface of the outer surface conductor layer of the dielectric filter 11 is fixed to the conductive mounting plate 71 with a conductive adhesive or solder. This mounting plate 61 has mounting legs 73, and the tip of the shielding part 12 is attached to the dielectric filter 11.
The dielectric filter 11 is fixed to the opposite surface of the outer surface conductor layer with a conductive adhesive or solder, and covers a part of the upper surface of the dielectric filter 11 at the intermediate portion thereof. This shielding part 72
11C can block direct coupling between the input means and output means of the dielectric filter 11.
以上説明した様に１本発明第３及び第４の実施例によれ
ば、第１の実施例の効果の他に、第５図（ａ）及び第６
図（ａ）に示すように、複数の取付板７１を一枚の導伝
性板よシ、無駄なく打ち抜くことができる。As explained above, according to the third and fourth embodiments of the present invention, in addition to the effects of the first embodiment, the effects shown in FIGS.
As shown in Figure (a), a plurality of mounting plates 71 can be punched out from one conductive plate without waste.
（発明の効果）
以上詳細に説明した様に、本発明によれば、誘電体フィ
ルタを導電性のハウジング内に載置することなく、直接
印刷配線板上に搭載することができるので、印刷配線板
上のスペース及び筐体空間を削減することができる。ま
た、取付板により、誘電体フィルタの入力手段と出力手
段との間が直接結合することがほとんどなくなるので、
安定したフィルタ特性を得るこΣができる。(Effects of the Invention) As described above in detail, according to the present invention, the dielectric filter can be mounted directly on the printed wiring board without being placed in a conductive housing. The space on the board and the space in the housing can be reduced. In addition, the mounting plate almost eliminates direct coupling between the input means and output means of the dielectric filter.
It is possible to obtain stable filter characteristics.
第１図は、本発明第１の実施例の構成を示す部分斜視図
、第２図は、本発明に用いるのに適した誘電体フィルタ
の斜視図、第３図は、第２図の部分断面図、第４図は本
発明第２の実施例の構成を示す部分斜視図、第５図は本
発明第３の実施例を説明する図、第６図は本発明第４の
実施例を説明する図。
１０・・・フィルタ、１１・・・誘電体フィルタ、１２
・・・取付板、１５川取付足。
特許出願人 沖電気工業株式会社
第１図
ｄ
ノ弊づ岡１１１４２杓妥）城引鈴りの羽へ飄１４吉ｐｌ
Ａρ十僅αり第４図
Ａ栖を明■を帛ｔ１々桔電体フイルクの々升作Ｉて第２
図
犀ρ凹１？小Ｓ牟）鳩電付にηルアｅ、Ｖ−ＴＩ蛯ｌ廿
（資）閏第５図
Ｍ明和めｙ施やｌｋ説明すり図FIG. 1 is a partial perspective view showing the configuration of a first embodiment of the present invention, FIG. 2 is a perspective view of a dielectric filter suitable for use in the present invention, and FIG. 3 is a partial perspective view of the structure of FIG. 4 is a partial perspective view showing the configuration of the second embodiment of the present invention, FIG. 5 is a diagram explaining the third embodiment of the present invention, and FIG. 6 is a diagram showing the fourth embodiment of the present invention. Diagram to explain. 10... Filter, 11... Dielectric filter, 12
...Mounting plate, 15 river mounting feet. Patent Applicant: Oki Electric Industry Co., Ltd. Figure 1 d Noezuoka 11142 14-kichi pl
Figure 4 A 100% A
Figure Rhinoceros 1? Small S) with pigeon electric η lure e, V-TI 蛯l 廿 (fund) leap figure 5 M meiwa me y siyalk explanatory diagram
Claims (1)
数の共振器用穴部を有する誘電体と、前記穴部に設けら
れた内導体と、前記誘電体の外部に設けられた外部導体
であって、前記内導体と前記誘電体の一方の面でのみ短
絡した外部導体と、前記誘電体の他方の面側の一端部に
設けられた入力手段と他端部に設けられた出力手段とを
有した誘電体フィルタにおいて、 前記外部導体に固着された導電性を有する取付板であっ
て、基板搭載用取付部と、前記入力手段と前記出力手段
とが直接結合するのを遮断する遮断部とを有した取付板
を有したことを特徴とする誘電体フィルタ。[Claims] A dielectric body having a top surface and a bottom surface, a plurality of resonator holes penetrating from the top surface to the bottom surface, an inner conductor provided in the hole portions, and an inner conductor provided outside the dielectric body. an external conductor provided therein, the outer conductor being short-circuited only on one side of the inner conductor and the dielectric; and an input means provided at one end on the other side of the dielectric; In the dielectric filter, the dielectric filter has a conductive mounting plate fixed to the external conductor, and the board mounting mounting portion is directly coupled to the input means and the output means. What is claimed is: 1. A dielectric filter comprising: a mounting plate having a cut-off part that cuts off the light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28204587A JPH01125001A (en) | 1987-11-10 | 1987-11-10 | Dielectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28204587A JPH01125001A (en) | 1987-11-10 | 1987-11-10 | Dielectric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01125001A true JPH01125001A (en) | 1989-05-17 |
Family
ID=17647449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28204587A Pending JPH01125001A (en) | 1987-11-10 | 1987-11-10 | Dielectric filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01125001A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH033802U (en) * | 1989-06-02 | 1991-01-16 | ||
| CN111901983A (en) * | 2020-07-07 | 2020-11-06 | 深圳市广和通无线股份有限公司 | Printed circuit board, processing method and device thereof, and electronic equipment |
-
1987
- 1987-11-10 JP JP28204587A patent/JPH01125001A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH033802U (en) * | 1989-06-02 | 1991-01-16 | ||
| CN111901983A (en) * | 2020-07-07 | 2020-11-06 | 深圳市广和通无线股份有限公司 | Printed circuit board, processing method and device thereof, and electronic equipment |
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