JPH02241105A - Dielectric resonator - Google Patents
Dielectric resonatorInfo
- Publication number
- JPH02241105A JPH02241105A JP6191189A JP6191189A JPH02241105A JP H02241105 A JPH02241105 A JP H02241105A JP 6191189 A JP6191189 A JP 6191189A JP 6191189 A JP6191189 A JP 6191189A JP H02241105 A JPH02241105 A JP H02241105A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric resonator
- dielectric
- screw
- spherical
- external
- 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 description 23
- 238000010168 coupling process Methods 0.000 abstract description 11
- 230000008878 coupling Effects 0.000 abstract description 10
- 238000005859 coupling reaction Methods 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、マイクロ波帯からミリ波帯における球形誘電
体共振器と、導波管とを結合し、球形誘電体共振器の共
振周波数およびその結合の程度を示す外部Ｑを、調整可
能とする誘電体共振装置に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention combines a spherical dielectric resonator and a waveguide in the microwave band to the millimeter wave band, and reduces the resonant frequency of the spherical dielectric resonator and The present invention relates to a dielectric resonator device that allows adjustment of an external Q that indicates the degree of coupling.
（発明の概要）
本発明は、マイクロ波帯からミリ波帯における導波管と
の結合方法に関ダ−る球形誘電体共振器で、端が導波管
面に結合され、他端に可動短絡板が設けられ使用周波数
でカットオフになる円筒形金属ケース内に、球形誘電体
共振器が挿入され、この球形誘電体共振器と可動短絡板
および導波管との距離を変化させることにより、共振周
波数および外部Ｑの調整を可能とづ゛るものである。(Summary of the Invention) The present invention relates to a spherical dielectric resonator related to a coupling method with a waveguide in the microwave band to the millimeter wave band, in which one end is coupled to the waveguide surface and the other end is movable. A spherical dielectric resonator is inserted into a cylindrical metal case that is equipped with a shorting plate and is cut off at the operating frequency, and by changing the distance between this spherical dielectric resonator, the movable shorting plate, and the waveguide. , the resonant frequency and the external Q can be adjusted.
（従来の技術）
この種の従来技術として、例えばＤａｒｋｏにａｊｆｅ
ｚａｎｄ Ｐｉｅｒｒｅ Ｇｕｉｌｌｏｎ、”Ｄ
ＩＥＬＥＴＲＩＣＲＥＳＯＮ八ＴＯＲへ”１９８６＾ｒ
ｔｅｃｈ ）ｌｏｕｓｅ ｐ４４３がある。第２図はこ
の種の誘電体共振器の概略構成図を示し、（Ａ＞はその
平面図、（Ｂ）は（Ａ）のＢ−８”断面図であ口
る。Ｔ、Ｅ １ｏモードの矩形導波管１０の一面に、使
用周波数でカットオフになる矩形金属ケース８の一端が
接続され、他端に可動短絡板９が設けられる。円柱形誘
電体共振器６は、矩形金属ケース８の内部に挿入され、
導波管１０の内部の電磁界とを結合する。通常、円柱形
誘電体共振器６は、基本モードであるＴＥＯｏ１δモー
ドで使用されるから、円柱形誘電体共振器６の面が矩形
導波管１０の電界方向面Ｅに対して、平行になるように
配慮されている。(Prior art) As this type of conventional technology, for example, Darko and ajfe
Zand Pierre Guillon, “D
To IELETRICRESON 8TOR” 1986^r
There is a louse p443. Figure 2 shows a schematic configuration diagram of this type of dielectric resonator, where (A> is a plan view thereof, and (B) is a cross-sectional view taken along line B-8'' in (A). T, E 1o mode One end of a rectangular metal case 8 that is cut off at the operating frequency is connected to one side of the rectangular waveguide 10, and a movable shorting plate 9 is provided at the other end. inserted inside 8,
It couples with the electromagnetic field inside the waveguide 10. Usually, the cylindrical dielectric resonator 6 is used in the TEOo1δ mode which is the fundamental mode, so the surface of the cylindrical dielectric resonator 6 is parallel to the electric field direction plane E of the rectangular waveguide 10. This is taken into consideration.
また、円柱形誘電体共振器６は、誘電体支持台７により
、矩形金属ケース８内に固定されている。Furthermore, the cylindrical dielectric resonator 6 is fixed within a rectangular metal case 8 by a dielectric support 7 .
誘電体支持台７は、比誘電率が比較的低く、かつ誘電体
損失が少ない月利、例えばホルスデライト、石英等が用
いられている。The dielectric support base 7 is made of a material having a relatively low dielectric constant and low dielectric loss, such as forsdellite or quartz.
矩形金属ケース８に装荷された円柱形誘電体共振器６の
共振周波数の調整は、円柱形誘電体共振器６と、可動短
絡板９との距離を変化させることによって行われる。通
常、可動短絡板９は、共振周波数の調整の後、ハンダろ
う、導電性接着剤等によって固定される。円柱形誘電体
共振器６と矩形導波管１０との結合に関する外部Ｑは、
円柱形誘電体共振器６と、矩形導波管１０との距離で決
ことが困難であった。The resonance frequency of the cylindrical dielectric resonator 6 loaded in the rectangular metal case 8 is adjusted by changing the distance between the cylindrical dielectric resonator 6 and the movable shorting plate 9. Usually, the movable shorting plate 9 is fixed with solder, conductive adhesive, etc. after adjusting the resonance frequency. The external Q regarding the coupling between the cylindrical dielectric resonator 6 and the rectangular waveguide 10 is:
It was difficult to determine the distance between the cylindrical dielectric resonator 6 and the rectangular waveguide 10.
従って、本発明は、その構成が簡単で、しかも従来技術
の問題点が有効に解決されるマイクロ波帯から、ミリ波
帯までの誘電体共振装置を提供することを目的とする。Accordingly, an object of the present invention is to provide a dielectric resonator device from the microwave band to the millimeter wave band, which has a simple configuration and can effectively solve the problems of the prior art.
（課題を解決するための手段）
このような目的を達成するために、本考案は、一端が導
波管面に接続され使用周波数ｃ′カットオフになる金属
ケースと、この金属ケースの他端に移動可能に設けられ
た可動短絡板と、この可動短絡板の中央に螺合された誘
電体ビスと、この誘電体ビスの先端に固定され前記金属
ケースの内部に挿入される球状に形成された球形誘電体
共振器とを備え、前記誘電体ビスによって前記球形誘電
体共振器と可動短絡板との距離を調整することを特徴と
する。(Means for Solving the Problems) In order to achieve such an object, the present invention provides a metal case having one end connected to the waveguide surface to cut off the operating frequency c', and the other end of the metal case connected to the waveguide surface to cut off the operating frequency c'. a movable shorting plate movably disposed on the movable shorting plate; a dielectric screw screwed into the center of the movable shorting plate; and a spherical screw fixed to the tip of the dielectric screw and inserted into the metal case. and a spherical dielectric resonator, and the distance between the spherical dielectric resonator and the movable shorting plate is adjusted by the dielectric screw.
（作用）
このように構成された技術手段により、球形誘電体共振
器の共振周波数および球形誘電体共振器と矩形導波管と
の結合に関する外部Ｑが容易に、定される。(Function) With the technical means configured in this way, the external Q regarding the resonant frequency of the spherical dielectric resonator and the coupling between the spherical dielectric resonator and the rectangular waveguide can be easily determined.
（発明が解決しようとする課題）
ところが、矩形金属ケース８に円柱形誘電体共振器６を
挿入する従来の構造には、次のような欠点があった。(Problems to be Solved by the Invention) However, the conventional structure in which the cylindrical dielectric resonator 6 is inserted into the rectangular metal case 8 has the following drawbacks.
■外部Ｑは、円柱形誘電体共振器６と矩形導波管１０と
の距離で決定する。また、共振周波数は、円柱形誘電体
共振器６と可動短絡板９との距離で決定する。従って、
円柱形誘電体共振器６の位置を変化させて、外部Ｑを調
整すると、共振周波数も変化し、外部Ｑおよび共振周波
数の独立した調整が不可能であった。(2) The external Q is determined by the distance between the cylindrical dielectric resonator 6 and the rectangular waveguide 10. Further, the resonant frequency is determined by the distance between the cylindrical dielectric resonator 6 and the movable shorting plate 9. Therefore,
When the external Q is adjusted by changing the position of the cylindrical dielectric resonator 6, the resonant frequency also changes, making it impossible to independently adjust the external Q and the resonant frequency.
■可動形短絡板９をハンダろう、導電性接着剤等で固定
するから、固定後の再調整が困難であった。(2) Since the movable shorting plate 9 is fixed with solder, conductive adhesive, etc., readjustment after fixation is difficult.
■金属ケース８の内壁に誘電体支持台７を用いて、円柱
形誘電体共振器６を接着剤で固定する。(2) Fix the cylindrical dielectric resonator 6 to the inner wall of the metal case 8 using an adhesive using the dielectric support 7.
従って、円柱形誘電体共振器６ど矩形導波管１０との結
合において、誘電体共振器６を装荷した導波管１０の外
部から、外部Ｑの大ぎさを調整するかつ独立して調整可
能であるから、導波管と共振器とを結合に関する回路、
例えば帯域阻止フィルタまたは発振器の安定化等が容易
に達成される。Therefore, in coupling the cylindrical dielectric resonator 6 with the rectangular waveguide 10, the magnitude of the external Q can be adjusted from the outside of the waveguide 10 loaded with the dielectric resonator 6, and can be adjusted independently. Therefore, the circuit for coupling the waveguide and the resonator,
For example, band-stop filters or oscillator stabilization etc. are easily achieved.
（実施例）
次に、本発明の実施例を図面に基づき、詳細に説明する
。(Example) Next, an example of the present invention will be described in detail based on the drawings.
第１図は本発明の一実施例の概略構成図を示し、（Ａ＞
はその平面図、（Ｂ）は（Ａ＞のＡ−Ａ −断面図であ
る。図において誘電体共振装置２０は、円筒形金属ケー
ス４と、可動短絡板３と、この可動短絡板３の中央に螺
着された誘電体ビス２およびこの誘電体ビス２の先端に
固定され円筒形金属ケース４の内部に挿入される球形誘
電体共振器１とから構成される。円筒形金属ケース４は
、円筒状に形成され使用周波数においてカットオフにな
り、一端が矩形導波管１０の本実施例ではＨ面の中央に
接続され、他端の内面に雌ネジ４Ａが設けられる。FIG. 1 shows a schematic configuration diagram of an embodiment of the present invention, (A>
is a plan view thereof, and (B) is a sectional view taken along the line A-A of (A>. In the figure, the dielectric resonator 20 includes a cylindrical metal case 4, a movable short-circuit plate 3, and a movable short-circuit plate 3. It is composed of a dielectric screw 2 screwed into the center and a spherical dielectric resonator 1 fixed to the tip of the dielectric screw 2 and inserted into a cylindrical metal case 4.The cylindrical metal case 4 is , is formed in a cylindrical shape and has a cut-off at the operating frequency, one end is connected to the center of the H surface in this embodiment of the rectangular waveguide 10, and a female thread 4A is provided on the inner surface of the other end.
可動短絡板３は、外周に雄ネジ３Ａが設けられ、円筒形
金属ケース４の雌ネジ４Ａに螺合して、その位置を容易
に微調整することが可能である。The movable shorting plate 3 is provided with a male screw 3A on its outer periphery, and can be screwed into a female screw 4A of the cylindrical metal case 4 to easily finely adjust its position.
また、可動短絡板３の中央に設けられたネジ穴には、誘
電体ビス２が螺合され、誘電体ビス２の先端に固定され
球状に形成された球形誘・電体共振器１と、可能短絡板
３との距離を、円筒形金属ケース４の外部から、容易に
微調整することが可能である。Further, a dielectric screw 2 is screwed into a screw hole provided in the center of the movable shorting plate 3, and a spherical dielectric resonator 1 fixed to the tip of the dielectric screw 2 is formed in a spherical shape. The distance to the possible short-circuiting plate 3 can be easily finely adjusted from the outside of the cylindrical metal case 4.
このように構成されたことにより、可動短絡板３と球形
誘電体共振器１との距離は、可動短絡板３の位置を変化
させても変らない。すなわち、共振周波数を先ず設定し
、次に外部Ｑを調整することにより、共振周波数と外部
Ｑとをそれぞれ独立して調整することができる。With this configuration, the distance between the movable short circuit plate 3 and the spherical dielectric resonator 1 does not change even if the position of the movable short circuit plate 3 is changed. That is, by first setting the resonant frequency and then adjusting the external Q, the resonant frequency and the external Q can be adjusted independently.
なお、球形誘電体共振器１は、形状が球形であるから、
調整の際に誘電体ビス２で回転させても、共振モードに
は何ら変化を生じない。Note that since the spherical dielectric resonator 1 has a spherical shape,
Even if the dielectric screw 2 is rotated during adjustment, no change occurs in the resonance mode.
従って、球形誘電体共振器１の共振周波数が誘電体ビス
２により微調整されると共に、球形誘電体共振器１と矩
形導波管１０との結合に関する外部Ｑが可能短絡板３に
より容易に微調整され、しある等の効果を奏する。Therefore, the resonant frequency of the spherical dielectric resonator 1 can be finely adjusted by the dielectric screw 2, and the external Q regarding the coupling between the spherical dielectric resonator 1 and the rectangular waveguide 10 can be easily adjusted by the shorting plate 3. It is adjusted and produces effects such as shininess.
第１図は本発明の一実施例の概略構成図を示し、同図（
Ａ）はその平面図、同図（Ｂ）は同図（Ａ）のＡ−Ａ−
断面図、
第２図はこの種の誘電体共振器の概略構成図を示し、同
図（Ａ）はその平面図、同図（Ｂ）は同図（Ａ＞のＢ−
Ｂ−断面図である。
１・・・球形誘電体共振器
３・・・可動短絡板
４・・・円筒形金属ケース
１０・・・矩形導波管
２０・・・誘電体共振装置
かもそれぞれ独立して調整可能である。 なお、本実施
例では、球形誘電体共振器１が挿入される円筒形金属ケ
ース４は、矩形導波管１０のＨ面に接続するも、他の結
合方法として例えば矩形導波管１０のＦ面または円筒形
導波管との結合にも、同様に適用可能である。
（発明の効果）
以上に説明したように、本発明によれば、一端が導波管
面に接続され使用周波数でカットオフになる金属ケース
と、この金属ケースの他端に移動可能に設けられる可動
短絡板と、この可動短絡板の中央に螺合される誘電体ビ
スと、この誘電体ビスの先端に固定され前記金属ケース
の内部に挿入される球形誘電体共振器とを設けることに
より、従来技術の問題点が有効に解決され、その構成が
簡単で、球形誘電体共振器の共振周波数および球形誘電
体共振器と導波管との結合に関する外部Ｑが容易に、か
つ独立して調整可能であるから、導波管と共振器との結
合に関する外部回路、例えば帯域阻止フィルタまたは発
振器の安定化が容易で第
図FIG. 1 shows a schematic configuration diagram of an embodiment of the present invention.
A) is the plan view, and the same figure (B) is the A-A- of the same figure (A).
2 shows a schematic configuration diagram of this type of dielectric resonator, FIG. 2 (A) is a plan view thereof, and FIG.
It is a B-sectional view. 1... Spherical dielectric resonator 3... Movable short circuit plate 4... Cylindrical metal case 10... Rectangular waveguide 20... Dielectric resonator device can also be adjusted independently. In this embodiment, the cylindrical metal case 4 into which the spherical dielectric resonator 1 is inserted is connected to the H plane of the rectangular waveguide 10; It is likewise applicable to coupling with planar or cylindrical waveguides. (Effects of the Invention) As explained above, according to the present invention, there is a metal case that is connected to the waveguide surface at one end and is cut off at the operating frequency, and a metal case that is movably provided at the other end of the metal case. By providing a movable shorting plate, a dielectric screw screwed into the center of the movable shorting plate, and a spherical dielectric resonator fixed to the tip of the dielectric screw and inserted into the metal case, The problems of the prior art are effectively solved, the configuration is simple, and the external Q related to the resonant frequency of the spherical dielectric resonator and the coupling between the spherical dielectric resonator and the waveguide can be easily and independently adjusted. This makes it easy to stabilize the external circuitry involved in the coupling between the waveguide and the resonator, such as a band-stop filter or an oscillator.
Claims (1)
導波管とを結合して前記誘電体共振器の共振周波数およ
び外部Ｑを調整する誘電体共振装置において、一端が前
記導波管面に接続され使用周波数でカットオフになる金
属ケースと、この金属ケースの他端に移動可能に設けら
れた可動短絡板と、この可動短絡板の中央に螺合された
誘電体ビスと、この誘電体ビスの先端に固定されて前記
金属ケースの内部に挿入され球状に形成された球形誘電
体共振器とを備え、前記誘電体ビスによって前記球形誘
電体共振器と可動短絡板との距離を調整することを特徴
とする誘電体共振装置。1) In a dielectric resonator device that couples a dielectric resonator and a waveguide in a microwave band to a millimeter wave band to adjust the resonant frequency and external Q of the dielectric resonator, one end is connected to the waveguide surface. A metal case that is connected to the casing and is cut off at the operating frequency, a movable shorting plate movably installed at the other end of the metal case, a dielectric screw screwed into the center of the movable shorting plate, and a dielectric screw screwed into the center of the movable shorting plate. and a spherical dielectric resonator fixed to the tip of a body screw and inserted into the inside of the metal case and formed into a spherical shape, and the distance between the spherical dielectric resonator and the movable shorting plate is adjusted by the dielectric screw. A dielectric resonator device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6191189A JP2593546B2 (en) | 1989-03-14 | 1989-03-14 | Dielectric resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6191189A JP2593546B2 (en) | 1989-03-14 | 1989-03-14 | Dielectric resonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02241105A true JPH02241105A (en) | 1990-09-25 |
| JP2593546B2 JP2593546B2 (en) | 1997-03-26 |
Family
ID=13184822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6191189A Expired - Lifetime JP2593546B2 (en) | 1989-03-14 | 1989-03-14 | Dielectric resonator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2593546B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5691677A (en) * | 1993-07-02 | 1997-11-25 | Italtel Spa | Tunable resonator for microwave oscillators and filters |
| CN115117581A (en) * | 2022-07-19 | 2022-09-27 | 电子科技大学 | High no-load Q value filtering power divider based on 3D printing |
-
1989
- 1989-03-14 JP JP6191189A patent/JP2593546B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5691677A (en) * | 1993-07-02 | 1997-11-25 | Italtel Spa | Tunable resonator for microwave oscillators and filters |
| CN115117581A (en) * | 2022-07-19 | 2022-09-27 | 电子科技大学 | High no-load Q value filtering power divider based on 3D printing |
| CN115117581B (en) * | 2022-07-19 | 2023-08-22 | 电子科技大学 | Filtering power divider with high unloaded Q value based on 3D printing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2593546B2 (en) | 1997-03-26 |
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