JPH0560683B2 - - Google Patents
Info
- Publication number
- JPH0560683B2 JPH0560683B2 JP25804386A JP25804386A JPH0560683B2 JP H0560683 B2 JPH0560683 B2 JP H0560683B2 JP 25804386 A JP25804386 A JP 25804386A JP 25804386 A JP25804386 A JP 25804386A JP H0560683 B2 JPH0560683 B2 JP H0560683B2
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- dielectric
- dielectric block
- resonant element
- insulating substrate
- 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.)
- Expired - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims description 58
- 230000008878 coupling Effects 0.000 claims description 35
- 238000010168 coupling process Methods 0.000 claims description 35
- 238000005859 coupling reaction Methods 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は誘電体同軸共振器に関し、特に、そ
れに接続されるべき外部回路と共振素子とが誘導
結合される、誘電体同軸共振器に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a dielectric coaxial resonator, and particularly to a dielectric coaxial resonator in which an external circuit to be connected to the resonant element is inductively coupled to the resonant element.
（従来技術）
第４図は従来の誘電体同軸共振器の一例を示す
斜視図である。この誘電体同軸共振器１では、共
振素子の誘電体ブロツク２に、その側面から内導
体３に向かつて孔４が形成されている。そして、
この孔４に結合用導体５が挿通され、この導体５
の一端が内導体３に接続されることによつて、結
合用導体５が共振素子に結合されている。(Prior Art) FIG. 4 is a perspective view showing an example of a conventional dielectric coaxial resonator. In this dielectric coaxial resonator 1, a hole 4 is formed in the dielectric block 2 of the resonant element, extending from the side surface toward the inner conductor 3. and,
A coupling conductor 5 is inserted through this hole 4, and this conductor 5
By connecting one end of the coupling conductor 5 to the inner conductor 3, the coupling conductor 5 is coupled to the resonant element.
（発明が解決しようとする問題点）
このような従来の誘電体同軸共振器では、結合
用導体の一端が誘電体ブロツクの孔の内部で内導
体に接続されるため、その構造が複雑であつて、
結合用導体と共振素子との結合作業が困難である
とともに、全体が作り難い。(Problems to be Solved by the Invention) In such a conventional dielectric coaxial resonator, one end of the coupling conductor is connected to the inner conductor inside the hole of the dielectric block, so the structure is complicated. hand,
It is difficult to couple the coupling conductor and the resonant element, and it is also difficult to manufacture the whole.
それゆえに、この発明の主たる目的は、結合用
導体と共振素子との結合作業が容易に行え、しか
も、簡単に製造することができる、誘電体同軸共
振器を提供することである。 Therefore, the main object of the present invention is to provide a dielectric coaxial resonator in which the coupling between a coupling conductor and a resonant element can be easily performed, and which can be easily manufactured.
（問題点を解決するための手段）
この発明は、対向する端面間を貫通する孔を有
する誘電体ブロツクと、誘電体ブロツクの前記端
面の一方を除く外周面に形成された外導体と、誘
電体ブロツクの孔の内周面に形成されかつ外導体
と協働して共振素子を構成する内導体とを備えた
誘電体同軸共振器であつて、誘電体ブロツクの前
記端面の片方から孔に沿つて誘電体ブロツクの中
間部まで形成されかつ誘電体ブロツクの側面から
孔に通じる溝と、溝に挿入される絶縁基板と、絶
縁基板上に形成されかつ共振素子に誘導結合さ
れ、その一端がアースに接続されその他端が外部
回路に接続されるべき結合用導体とを含む、誘電
体同軸共振器である。(Means for Solving the Problems) The present invention provides a dielectric block having a hole penetrating between opposing end faces, an outer conductor formed on the outer peripheral surface of the dielectric block except for one of the end faces, and a dielectric block having a hole penetrating between opposing end faces. A dielectric coaxial resonator comprising an inner conductor formed on the inner circumferential surface of a hole in a body block and cooperating with an outer conductor to form a resonant element, the dielectric coaxial resonator comprising: a groove formed along the dielectric block up to the middle part of the dielectric block and communicating with the hole from the side surface of the dielectric block; an insulating substrate inserted into the groove; A dielectric coaxial resonator including a coupling conductor that is connected to ground and whose other end is to be connected to an external circuit.
（作用） 結合用導体が共振素子に誘導結合される。(effect) A coupling conductor is inductively coupled to the resonant element.
（発明の効果）
この発明によれば、結合用導体を誘電体ブロツ
クの孔の内部で内導体に接続しなくても、すなわ
ち、結合用導体を形成した絶縁基板を誘電体ブロ
ツクの溝に挿入し結合用導体の一端をアースする
と、結合用導体が共振素子に誘導結合されるの
で、結合用導体と共振素子との結合作業が容易に
なり、しかも、誘電体同軸共振器を簡単に製造す
ることができる。(Effects of the Invention) According to the present invention, the insulating substrate on which the coupling conductor is formed can be inserted into the groove of the dielectric block without connecting the coupling conductor to the inner conductor inside the hole of the dielectric block. When one end of the coupling conductor is grounded, the coupling conductor is inductively coupled to the resonant element, which facilitates the coupling work between the coupling conductor and the resonant element, and also makes it easy to manufacture a dielectric coaxial resonator. be able to.
この発明の上述の目的、その他の目的，特徴お
よび利点は、図面を参照して行う以下の実施例の
詳細な説明から一層明らかとなろう。 The above objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.
（実施例）
第１図および第２図は、それぞれ、この発明の
一実施例を示し、第１図はその斜視図であり、第
２図は第１図の線−における断面図である。
この誘電体同軸共振器１０は共振素子１２を含
む。共振素子１２は、たとえば直方体状の誘電体
ブロツク１４を含む。この誘電体ブロツク１４に
は、その一方端面から他方端面にまで延びてたと
えば断面円形の孔１６が形成されている。さら
に、この誘電体ブロツク１４には、溝１８が形成
されている。この溝１８は、そこに後述の絶縁基
板２４を挿入するための溝であつて、孔１６の長
手方向の一端部から中央部において、誘電体ブロ
ツク１４の側面から孔１６に通じるように形成さ
れている。(Embodiment) FIGS. 1 and 2 each show an embodiment of the present invention, with FIG. 1 being a perspective view thereof, and FIG. 2 being a sectional view taken along the line - in FIG. 1.
This dielectric coaxial resonator 10 includes a resonant element 12 . The resonant element 12 includes a dielectric block 14 in the shape of, for example, a rectangular parallelepiped. This dielectric block 14 is formed with a hole 16 having, for example, a circular cross section and extending from one end surface to the other end surface. Furthermore, a groove 18 is formed in this dielectric block 14. This groove 18 is a groove for inserting an insulating substrate 24 to be described later, and is formed from one longitudinal end of the hole 16 to the center thereof so as to communicate with the hole 16 from the side surface of the dielectric block 14. ing.
この誘電体ブロツク１４には、その孔１６の内
周面に内導体２０が形成され、その他方端面（下
面）を除く外周面に外導体２２が形成される。こ
れらの内導体２０および外導体２２は、たとえば
銀ペーストなどを焼き付けることなどによつて形
成される。したがつて、この共振素子１２は、1/
４波長誘電体同軸共振素子として構成される。 In this dielectric block 14, an inner conductor 20 is formed on the inner peripheral surface of the hole 16, and an outer conductor 22 is formed on the outer peripheral surface except for the other end surface (lower surface). These inner conductor 20 and outer conductor 22 are formed, for example, by baking silver paste or the like. Therefore, this resonant element 12 is 1/
It is configured as a 4-wavelength dielectric coaxial resonant element.
この共振素子１２では、その誘電体ブロツク１
４の溝１８に、絶縁基板２４が挿入される。絶縁
基板２４は、たとえば板状の絶縁体で形成され、
溝１８に挿入するための矩形の挿入部２４ａを含
む。 In this resonant element 12, the dielectric block 1
The insulating substrate 24 is inserted into the groove 18 of No. 4. The insulating substrate 24 is formed of, for example, a plate-shaped insulator,
It includes a rectangular insertion portion 24a for insertion into the groove 18.
絶縁基板２４の挿入部２４ａには、たとえば
「Ｌ」字形の結合用導体２６が形成される。この
結合用導体２６は、絶縁基板２４の挿入部２４ａ
を誘電体ブロツク１４の溝１８に挿入したとき
に、共振素子１２に誘導結合される。さらに、絶
縁基板２４の挿入部２４ａには、その端面を含む
端部に、引出電極２８が結合用導体２６の一端か
ら延びた形で形成されている。そして、引出電極
２８と外導体２２とがたとえばはんだ付けされ、
それによつて、結合用導体２６の一端および引出
電極２８が外導体２２に接続される。 For example, an “L”-shaped coupling conductor 26 is formed in the insertion portion 24a of the insulating substrate 24. This coupling conductor 26 is connected to the insertion portion 24a of the insulating substrate 24.
When inserted into the groove 18 of the dielectric block 14, it is inductively coupled to the resonant element 12. Furthermore, an extraction electrode 28 is formed at an end portion of the insertion portion 24a of the insulating substrate 24, including the end surface thereof, in a shape extending from one end of the coupling conductor 26. Then, the lead electrode 28 and the outer conductor 22 are soldered, for example.
Thereby, one end of the coupling conductor 26 and the extraction electrode 28 are connected to the outer conductor 22.
この誘電体同軸共振器１０は、その結合用導体
２６の他端が外部回路に接続され、かつ、その引
出電極２８がアースに接続されることによつて使
用される。 This dielectric coaxial resonator 10 is used by having the other end of its coupling conductor 26 connected to an external circuit, and its extraction electrode 28 being connected to ground.
この誘電体同軸共振器１０では、絶縁基板２４
を誘電体ブロツク１４の溝１８に挿入することに
よつて、結合用導体２６が共振素子１２に誘電結
合されるので、結合用導体２６を共振素子１２に
簡単に結合することができる。 In this dielectric coaxial resonator 10, an insulating substrate 24
By inserting the coupling conductor 26 into the groove 18 of the dielectric block 14, the coupling conductor 26 is inductively coupled to the resonant element 12, so that the coupling conductor 26 can be easily coupled to the resonant element 12.
また、上述の実施例では、引出電極２８と外導
体２２とが接続されると同時に、絶縁基板２４が
誘電体ブロツク１４に固着される。そのため、外
部から衝撃を与えても、共振素子１２に対する結
合用導体２６の位置ずれが生じ難く、共振素子１
２と結合用導体２６との結合度合が変化しない。
したがつて、一定のフイルタ特性を維持すること
ができる。 Further, in the above-described embodiment, the insulating substrate 24 is fixed to the dielectric block 14 at the same time that the lead electrode 28 and the outer conductor 22 are connected. Therefore, even if a shock is applied from the outside, the position of the coupling conductor 26 with respect to the resonant element 12 is unlikely to shift, and the resonant element 1
The degree of coupling between 2 and the coupling conductor 26 does not change.
Therefore, constant filter characteristics can be maintained.
なお、共振素子１２に対する結合用導体２６の
位置ずれが生じないようにするためには、絶縁基
板２４が誘電体ブロツク１４の溝１８で強固に挟
持されるようにしてもよい。 In order to prevent the coupling conductor 26 from being misaligned with respect to the resonant element 12, the insulating substrate 24 may be firmly held between the grooves 18 of the dielectric block 14.
また、上述の実施例では、引出電極２８を外導
体２２に接続することによつて、結合用導体２６
の一端および引出電極２８を外導体２２に接続し
たが、結合用導体２６の一端および引出電極２８
を外導体２２に接続しなくてもよい。この場合、
引出電極２８を外部回路のアースに接続すればよ
く、外導体２２と同電位にしなくてもよい。 Furthermore, in the above embodiment, by connecting the extraction electrode 28 to the outer conductor 22, the coupling conductor 26
Although one end of the coupling conductor 26 and the extraction electrode 28 are connected to the outer conductor 22, one end of the coupling conductor 26 and the extraction electrode 28 are connected to the outer conductor 22.
does not need to be connected to the outer conductor 22. in this case,
The extraction electrode 28 may be connected to the ground of the external circuit, and does not need to be at the same potential as the outer conductor 22.
第３図はこの発明の他の実施例を示す断面図で
ある。この誘電体同軸共振器１０では、溝１８が
誘電体ブロツク１４の一方端面（上面）からその
長手方向の中央部において、誘電体ブロツク１４
の側面から孔１６に通じるように形成されてい
る。したがつて、絶縁基板２４は、誘電体ブロツ
ク１４の外導体２２を有する一方端面（上面）側
から挿入される。このようにしても、第１図実施
例と同様の効果を得ることができる。 FIG. 3 is a sectional view showing another embodiment of the invention. In this dielectric coaxial resonator 10, the groove 18 extends from one end surface (top surface) of the dielectric block 14 to the center in the longitudinal direction of the dielectric block 14.
It is formed so as to communicate with the hole 16 from the side surface of the hole 16 . Therefore, the insulating substrate 24 is inserted from one end surface (upper surface) side of the dielectric block 14 having the outer conductor 22. Even in this case, the same effect as the embodiment of FIG. 1 can be obtained.
上述の各実施例の誘電体同軸共振器１０の特性
は、絶縁基板２４に形成される結合用導体２６の
パターンと溝１８との位置関係で決定される。そ
のため、絶縁基板２４に形成される結合用導体２
６のパターンと溝１８との位置関係を決めること
によつて、同じ特性を有する誘電体同軸共振器１
０を得ることができる。 The characteristics of the dielectric coaxial resonator 10 of each embodiment described above are determined by the positional relationship between the pattern of the coupling conductor 26 formed on the insulating substrate 24 and the groove 18. Therefore, the coupling conductor 2 formed on the insulating substrate 24
By determining the positional relationship between the pattern 6 and the groove 18, a dielectric coaxial resonator 1 having the same characteristics can be created.
You can get 0.
なお、誘電体同軸共振器１０はたとえばフイル
タとして用いることができるが、この場合、絶縁
基板２４には、結合用導体２６以外にも、たとえ
ば有極化回路などフイルタに必要な他の回路を形
成することも可能である。 Note that the dielectric coaxial resonator 10 can be used, for example, as a filter, but in this case, in addition to the coupling conductor 26, other circuits necessary for the filter, such as a polarized circuit, are formed on the insulating substrate 24. It is also possible to do so.
第１図はこの発明の一実施例を示す斜視図であ
る。第２図は第１図実施例の線−における断
面図である。第３図はこの発明の他の実施例を示
す断面図である。第４図は従来の誘電体同軸共振
器の一例を示す断面図である。
図にいおて、１０は誘電体同軸共振器、１２は
共振素子、１４は誘電体ブロツク、１６は孔、１
８……溝、２０……内導体、２２は外導体、２４
は絶縁基板、２６は結合用導体を示す。
FIG. 1 is a perspective view showing an embodiment of the present invention. FIG. 2 is a sectional view taken along line - of the embodiment of FIG. FIG. 3 is a sectional view showing another embodiment of the invention. FIG. 4 is a sectional view showing an example of a conventional dielectric coaxial resonator. In the figure, 10 is a dielectric coaxial resonator, 12 is a resonant element, 14 is a dielectric block, 16 is a hole, 1
8...Groove, 20...Inner conductor, 22 is outer conductor, 24
denotes an insulating substrate, and 26 denotes a coupling conductor.
Claims (1)
ブロツク、 前記誘電体ブロツクの前記端面の一方を除く外
周面に形成された外導体、および 前記誘電体ブロツクの前記孔の内周面に形成さ
れかつ前記外導体と協働して共振素子を構成する
内導体を備えた誘電体同軸共振器であつて、 前記誘電体ブロツクの前記端面の片方から前記
孔に沿つて前記誘電体ブロツクの中間部まで形成
されかつ前記誘電体ブロツクの側面から前記孔に
通じる溝、 前記溝に挿入される絶縁基板、および 前記絶縁基板上に形成されかつ前記共振素子に
誘導結合され、その一端がアースに接続されその
他端が外部回路に接続されるべき結合用導体を含
む、誘電体同軸共振器。[Scope of Claims] 1. A dielectric block having a hole penetrating between opposing end faces, an outer conductor formed on an outer peripheral surface of the dielectric block except for one of the end faces, and a hole in the hole of the dielectric block. A dielectric coaxial resonator comprising an inner conductor formed on an inner peripheral surface and cooperating with the outer conductor to form a resonant element, the dielectric coaxial resonator comprising: a groove formed up to an intermediate portion of the dielectric block and communicating with the hole from a side surface of the dielectric block; an insulating substrate inserted into the groove; and an insulating substrate formed on the insulating substrate and inductively coupled to the resonant element. A dielectric coaxial resonator containing a coupling conductor that is to be connected to ground at one end and to an external circuit at the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25804386A JPS63111703A (en) | 1986-10-29 | 1986-10-29 | Dielectric coaxial resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25804386A JPS63111703A (en) | 1986-10-29 | 1986-10-29 | Dielectric coaxial resonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63111703A JPS63111703A (en) | 1988-05-17 |
| JPH0560683B2 true JPH0560683B2 (en) | 1993-09-02 |
Family
ID=17314743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25804386A Granted JPS63111703A (en) | 1986-10-29 | 1986-10-29 | Dielectric coaxial resonator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63111703A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3677720B2 (en) | 1998-10-27 | 2005-08-03 | スタンレー電気株式会社 | Projector type headlamp |
-
1986
- 1986-10-29 JP JP25804386A patent/JPS63111703A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63111703A (en) | 1988-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |