JPH07120887B2 - Directional coupler - Google Patents
Directional couplerInfo
- Publication number
- JPH07120887B2 JPH07120887B2 JP2238113A JP23811390A JPH07120887B2 JP H07120887 B2 JPH07120887 B2 JP H07120887B2 JP 2238113 A JP2238113 A JP 2238113A JP 23811390 A JP23811390 A JP 23811390A JP H07120887 B2 JPH07120887 B2 JP H07120887B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- inner conductor
- waveguide
- coupling
- sub
- 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 - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims description 87
- 238000010168 coupling process Methods 0.000 claims description 58
- 238000005859 coupling reaction Methods 0.000 claims description 52
- 230000008878 coupling Effects 0.000 claims description 50
- 230000005540 biological transmission Effects 0.000 description 19
- 239000012212 insulator Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Microwave Amplifiers (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、導波管内を一方向に進行するマイクロ波信号
（電力）の一部を取り出す方向性結合器に関する。TECHNICAL FIELD The present invention relates to a directional coupler for extracting a part of a microwave signal (power) traveling in one direction in a waveguide.
特に結合量の調整が可能な方向性結合器に関する。In particular, it relates to a directional coupler capable of adjusting the amount of coupling.
マイクロ波帯における方向性結合器は、結合形式によっ
ていくつかの種類に分けられる。Directional couplers in the microwave band are classified into several types according to the coupling type.
第３図は、十字形方向性結合器の構造を示す図である。FIG. 3 is a diagram showing the structure of a cross-shaped directional coupler.
図において、長辺の等しい主伝送導波管31と副伝送導波
管33とを直交させ、共通壁の対角線上に十文字のスリッ
ト（結合孔）35を設けた構成である。In the figure, the main transmission waveguide 31 and the sub-transmission waveguide 33 having the same long sides are orthogonal to each other, and a cross-shaped slit (coupling hole) 35 is provided on the diagonal line of the common wall.
ここで、主伝送導波管31の開口を、、副伝送導波管
33の開口を、とすると、伝送信号の入力端子をと
したときに結合端子はとなる。Here, the opening of the main transmission waveguide 31 is
When the opening of 33 is, the coupling terminal becomes when the input terminal of the transmission signal is.
また、通路差形方向性結合器には、二つの導波管で同種
の結合孔を信号波長の1/4の奇数倍離して結合し、副伝
送導波管の逆方向に行く波を打ち消す1/4波長結合形
と、二つの結合孔でそれぞれ逆位相の結合波を励振し、
副伝送導波管の順方向に行く波を打ち消す逆結合形があ
る。In addition, in the path difference type directional coupler, two waveguides are used to couple the same type of coupling holes at an odd multiple of 1/4 of the signal wavelength to cancel the waves going in the opposite direction of the sub-transmission waveguide. 1/4 wavelength coupling type and two coupling holes excite coupling waves of opposite phase,
There is an inverse coupling type that cancels a wave traveling in the forward direction of the sub-transmission waveguide.
直並列形方向性結合器は、二つの導波管をそれぞれ結合
量の等しい直列動作および並列動作の結合孔で結合し、
両者の位相関係が波の進行方向によって逆になることを
利用する構成であり、ベーテホール形その他がある。The series-parallel type directional coupler couples two waveguides with coupling holes of series operation and parallel operation having the same coupling amount,
This is a configuration that utilizes the fact that the phase relationship between the two is reversed depending on the traveling direction of the wave, and there is a Bethehole type or the like.
多素子結合形方向性結合器は、管軸を平行にした二つの
導波管の共通壁に疎結合の結合孔を多数設けた構成であ
り、Ｈ面結合形とＥ面結合形がある。The multi-element coupling type directional coupler has a configuration in which a large number of loose coupling coupling holes are provided in a common wall of two waveguides whose tube axes are parallel to each other, and there are an H-plane coupling type and an E-plane coupling type.
このような方向性結合器は、その他の種類のものも含め
て、主伝送導波管と副伝送導波管を孔結合し、主伝送導
波管内を一方向に進行する信号の一部を取り出し、それ
を副伝送導波管の所定の方向へ伝送させる構造になって
いる。Such directional couplers, including other types of directional couplers, perform hole coupling between the main transmission waveguide and the sub-transmission waveguide to allow a part of the signal traveling in one direction in the main transmission waveguide. It has a structure in which it is taken out and transmitted in a predetermined direction of the sub transmission waveguide.
一方、同軸線路用として、導波管用の直並列形方向性結
合器と同様の原理でループ結合形（CM形）および結合部
分を長くしたストリップライン形の方向性結合器があ
る。On the other hand, for coaxial lines, there are a loop-coupling type (CM type) and a stripline-type directional coupler in which the coupling portion is lengthened on the same principle as a series-parallel type directional coupler for a waveguide.
第４図は、同軸線路用として用いられるストリップライ
ン形の方向性結合器の構造を示す図である。FIG. 4 is a diagram showing the structure of a stripline type directional coupler used for a coaxial line.
図において、端子と端子、端子と端子は、それ
ぞれ同軸内導体41、43により接続される。各端子〜
は、第３図に示す導波管用の方向性結合器における開口
〜に対応し、その機能はほぼ同一である。In the figure, terminals are connected to each other, and terminals are connected to each other by coaxial inner conductors 41 and 43, respectively. Each terminal ~
Correspond to the apertures in the directional coupler for the waveguide shown in FIG. 3, and their functions are almost the same.
ところで、主伝送導波管と副伝送導波管を孔結合した従
来の方向性結合器では、その構造上、大型になることが
避けられず、特に結合量の増大に応じてその傾向が一層
高まっていた。By the way, in the conventional directional coupler in which the main transmission waveguide and the sub-transmission waveguide are hole-coupled, it is unavoidable that the directional coupler becomes large in size, and in particular, the tendency is further increased as the coupling amount increases. It was rising.
また、このような従来の方向性結合器では、主伝送導波
管内を通過する信号に影響を与えずに結合量を連続的に
変える機構は、構造上困難であった。したがって、従来
の各方向性結合器は、その結合方式に応じた固有の結合
量が固定になっていた。Further, in such a conventional directional coupler, it is structurally difficult to continuously change the coupling amount without affecting the signal passing through the main transmission waveguide. Therefore, each conventional directional coupler has a fixed amount of coupling specific to the coupling method.
また、例えば伝送信号の測定や調査時に信号の一部を取
り出すために挿入する方向性結合器は、それ以外のとき
には不要である。しかし、測定や調査以外のときに方向
性結合器が挿入されたままの場合には、その結合量が固
定になっていてゼロにすることができないので、主伝送
導波管内を通過する信号に対して所定の損失が避けられ
なかった。Further, for example, a directional coupler that is inserted to extract a part of a signal when measuring or investigating a transmission signal is not necessary in other cases. However, if the directional coupler is still inserted except when measuring or investigating, the amount of coupling is fixed and cannot be set to zero. On the other hand, the prescribed loss was unavoidable.
本発明は、小形化を実現し、主伝送導波管内を通過する
信号に影響を与えずに結合量を連続的に変えることがで
きる方向性結合器を提供することを目的とする。It is an object of the present invention to provide a directional coupler which realizes miniaturization and can continuously change the coupling amount without affecting the signal passing through the main transmission waveguide.
請求項１に記載の発明は、入力部および出力部を導波管
とし、該導波管に入力した信号電力の一部を同軸型の結
合端子に取り出す方向性結合器において、前記導波管の
内部で導波管と同軸内導体との間の電力交換を行う２つ
の導波管／同軸変換器と、前記導波管の外部に設けら
れ、その内部に互いに平行な内部導体主線路および内部
導体副線路を有する外部導体管と、外部導体管の外部か
ら前記内部導体副線路に接触して、内部導体主線路と内
部導体副線路との間隔を調整する線路間隔調整部材と、
前記内部導体主線路と前記内部導体副線路との間に挿入
される絶縁板とを備え、前記２つの導波管／同軸変換器
の同軸内導体を前記外部導体管の内部導体主線路の両端
に接続し、前記外部導体管の内部導体副線路を前記結合
端子に接続して構成する。The invention according to claim 1 is a directional coupler in which an input part and an output part are waveguides, and a part of signal power input to the waveguides is taken out to a coaxial type coupling terminal. Two waveguide / coaxial converters for exchanging electric power between the waveguide and the coaxial inner conductor, and inner conductor main lines that are provided outside the waveguide and are parallel to each other, and An outer conductor tube having an inner conductor sub-line; and a line-spacing adjusting member that contacts the inner conductor sub-line from outside the outer conductor tube and adjusts the distance between the inner conductor main line and the inner conductor sub-line,
An insulating plate inserted between the inner conductor main line and the inner conductor sub line, wherein the coaxial inner conductors of the two waveguide / coaxial converters are provided at both ends of the inner conductor main line of the outer conductor pipe. And connecting the inner conductor sub line of the outer conductor tube to the coupling terminal.
本発明は、導波管に入力される信号電力を結合回路の導
波管／同軸変換器を介して外部導体管に取り出す。すな
わち、導波管／同軸変換器の同軸内導体と内部導体主線
路とを接続し、その内部導体主線路と内部導体副線路と
を同軸結合させることにより、内部導体副線路に接続さ
れた結合端子に信号電力の一部を取り出すことができ
る。In the present invention, the signal power input to the waveguide is taken out to the external conductor tube via the waveguide / coaxial converter of the coupling circuit. That is, the coaxial inner conductor of the waveguide / coaxial converter and the inner conductor main line are connected to each other, and the inner conductor main line and the inner conductor sub-line are coaxially coupled to each other so that the inner conductor sub-line is coupled. A part of signal power can be taken out to the terminal.
このように、入力部および出力部が導波管である方向性
結合器において、導波管の外部に設けられた外部導体管
内で同軸結合方式をとることにより、小型で高い結合量
を実現することができる。As described above, in the directional coupler in which the input portion and the output portion are waveguides, the coaxial coupling method is adopted in the outer conductor tube provided outside the waveguide, thereby realizing a small size and a high coupling amount. be able to.
なお、第４図に示す同軸線路用の方向性結合器とは、入
出力部が導波管であることが異なる。It should be noted that the input / output unit is different from the directional coupler for coaxial line shown in FIG. 4 in that it is a waveguide.
さらに、本発明は、線路間隔調整部材を用いて外部導体
管内の内部導体副線路を可動させ、内部導体主線路との
間隔を調整することにより、結合量を連続的に可変させ
ることができる。Further, according to the present invention, the coupling amount can be continuously varied by moving the inner conductor sub line in the outer conductor tube by using the line gap adjusting member and adjusting the gap with the inner conductor main line.
以下、図面に基づいて本発明の実施例について詳細に説
明する。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
第１図は、本発明の方向性結合器の基本構成を示す図で
ある。FIG. 1 is a diagram showing the basic configuration of the directional coupler of the present invention.
なお、（ａ）はＡ−Ａ′断面図であり、（ｂ）はＢ−
Ｂ′断面図である。Note that (a) is a cross-sectional view taken along the line A-A 'and (b) is a line B-
It is a B'cross section.
図において、入力部11および出力部12は導波管により形
成され、主伝送導波管に接続される。この導波管の外部
に設けられる方形の外部導体管13の内部には、内部導体
主線路14および内部導体副線路15が平行に設置される。
内部導体主線路14の両端には、入力端子16を介して入力
部11側の導波管／同軸変換器171が接続され、通過端子1
8を介して出力部12側の導波管／同軸変換器172が接続さ
れる。内部導体副線路15の両端には、結合端子19および
非結合端子20が接続される。非結合端子20には、無反射
終端器21が接続される。In the figure, the input section 11 and the output section 12 are formed by a waveguide and are connected to the main transmission waveguide. Inside the rectangular outer conductor tube 13 provided outside the waveguide, an inner conductor main line 14 and an inner conductor sub-line 15 are installed in parallel.
At both ends of the inner conductor main line 14, the input unit 11 side of the waveguide through the input terminal 16 / coaxial converter 17 1 is connected, passing the terminal 1
The waveguide / coaxial converter 17 2 on the output section 12 side is connected via 8. A coupling terminal 19 and a non-coupling terminal 20 are connected to both ends of the inner conductor sub line 15. A non-reflecting terminator 21 is connected to the non-coupling terminal 20.
なお、内部導体主線路14と内部導体副線路15とが平行に
重なり合う部分は、通常、信号波長のほぼ1/4に相当す
る長さに設定され、その間隔が狭い程結合が密になる。It should be noted that the portion where the inner conductor main line 14 and the inner conductor sub line 15 overlap in parallel is usually set to a length corresponding to approximately 1/4 of the signal wavelength, and the closer the distance is, the denser the coupling becomes.
また、外部導体管13の寸法と、内部導体主線路14および
内部導体副線路15の線路幅は、各端子からみた定在波比
（VSWR）が最小となり、逆方向損失が最大となる所定の
値に設計される。Further, the dimensions of the outer conductor tube 13 and the line widths of the inner conductor main line 14 and the inner conductor sub line 15 are such that the standing wave ratio (VSWR) viewed from each terminal is the minimum and the reverse loss is the maximum. Designed to value.
このような構成において、入力部11から取り込まれ、導
波管／同軸変換器171を介して入力端子16から外部導体
管13に入射された信号は、内部導体主線路14と内部導体
副線路15の結合量に応じて電力が分割され、通過端子18
と結合端子19に取り出される。なお、通過端子18に取り
出された信号は、導波管／同軸変換器172を介して出力
部12の導波管に放出される。In such a configuration, a signal taken from the input section 11 and incident on the outer conductor tube 13 from the input terminal 16 via the waveguide / coaxial converter 17 1 is supplied to the inner conductor main line 14 and the inner conductor sub-line. The power is divided according to the coupling amount of 15 and the pass terminal 18
Is taken out to the coupling terminal 19. The signal taken out to the passage terminal 18 is released into the waveguide output section 12 via a waveguide / coaxial converter 17 2.
このように、入力部11および出力部12が導波管である方
向性結合器において、導波管の外部に設けられた外部導
体管13内で結合処理を同軸結合方式により行うことによ
り、小型で高い結合量を得ることができる。As described above, in the directional coupler in which the input section 11 and the output section 12 are waveguides, by performing the coupling process in the outer conductor tube 13 provided outside the waveguide by the coaxial coupling method, it is possible to reduce the size. A high binding amount can be obtained with.
第２図は、本発明の方向性結合器の実施例を示す図であ
る。FIG. 2 is a diagram showing an embodiment of the directional coupler of the present invention.
なお、（ａ）はＡ−Ａ′断面図であり、（ｂ）はＢ−
Ｂ′断面図であり、（ｃ）はＣ−Ｃ′断面図である。Note that (a) is a cross-sectional view taken along the line A-A 'and (b) is a line B-
It is a B'cross section and (c) is a CC 'cross section.
ここで、第１図と同一のものは、同一符号を付して説明
に代える。Here, the same parts as those in FIG. 1 are designated by the same reference numerals and replaced with the description.
本実施例では、外部導体管13内の内部導体副線路15をバ
ネ用金属材料で作成し、絶縁体棒23による無荷重時には
内部導体主線路14から遠ざかり、外部導体管13の内壁側
に折れ曲がるようにしておく。なお、無荷重時あるいは
所定の設定時には、内部導体主線路14との間の結合量が
ほぼゼロにできることが好ましい。In this embodiment, the inner conductor sub-line 15 in the outer conductor tube 13 is made of a metal material for springs, and is separated from the inner conductor main line 14 when there is no load by the insulator rod 23, and bends to the inner wall side of the outer conductor tube 13. Keep it. It is preferable that the amount of coupling with the inner conductor main line 14 can be made substantially zero when there is no load or when a predetermined setting is made.
外部導体管13の一面を貫通して一端が内部導体副線路15
に接触する絶縁体棒23は、他端がスイッチ24により保持
され、外部導体管13からの突出長が、スイッチ24の90度
回転によって２段階に調整できる構造になっている。One end of the inner conductor sub-line 15 is penetrated through one surface of the outer conductor tube 13.
The other end of the insulator rod 23 that comes into contact with is held by the switch 24, and the protruding length from the outer conductor tube 13 can be adjusted in two steps by rotating the switch 24 by 90 degrees.
すなわち、スイッチ24の操作によって絶縁体棒23を介し
て内部導体副線路15が押し下げられ、内部導体主線路14
との間隔が狭まって結合量が上がり、スイッチ24の操作
によって内部導体副線路15への押し下げ力が開放され、
内部導体主線路14との間隔が広まって結合量が下がる構
造である。That is, by operating the switch 24, the inner conductor sub line 15 is pushed down via the insulator rod 23, and the inner conductor main line 14
The distance between and becomes narrower and the amount of coupling increases, and the pressing force to the inner conductor sub line 15 is released by operating the switch 24.
The structure is such that the distance from the inner conductor main line 14 is widened and the coupling amount is reduced.
なお、本実施例は、可動線路を復元力のある内部導体副
線路15とし、線路間隔調整部材を絶縁体棒13およびスイ
ッチ24で実現し、スイッチ24の操作によって内部導体副
線路15を押さえつける構造としているが、逆に、絶縁体
棒23による無荷重時に内部導体副線路15が内部導体主線
路14側に接近するように折り曲げられた状態となり、そ
の内部導体副線路15に絶縁体棒23を固定し、引き戻す構
造としてもよい。また、可動線路調整部材は、内部導体
副線路15などの可動線路の支持点を移動させる構造であ
ってもよい。In this embodiment, the movable line is the internal conductor sub-line 15 having a restoring force, the line spacing adjusting member is realized by the insulator rod 13 and the switch 24, and the internal conductor sub-line 15 is pressed by the operation of the switch 24. However, conversely, the inner conductor sub line 15 is bent so as to approach the inner conductor main line 14 side when no load is applied by the insulator rod 23, and the insulator bar 23 is attached to the inner conductor sub line 15. It may be fixed and pulled back. Further, the movable line adjusting member may have a structure in which a support point of the movable line such as the inner conductor sub line 15 is moved.
また、本実施例では、スイッチ24により２段階に結合量
を調整する構造を示したが、３段以上の調整を可能にす
るスイッチを用いることも可能であり、さらに例えば絶
縁体棒23をネジ構造とし、内部導体副線路15の押下位置
を連続的に可変させ、結合量を無段階に説定することも
可能である。なお、その場合には、結合量を目盛り表示
することにより、所定の結合量への設定を容易にするこ
とができる。Further, in the present embodiment, the structure in which the coupling amount is adjusted in two steps by the switch 24 is shown, but it is also possible to use a switch that enables adjustment in three steps or more, and further, for example, the insulator rod 23 is screwed. It is also possible to have a structure in which the pressing position of the inner conductor sub line 15 is continuously varied and the coupling amount is set steplessly. In that case, by displaying the combined amount on a scale, it is possible to easily set a predetermined combined amount.
また、内部導体主線路14と内部導体副線路15との間には
絶縁板26が挿入される。これは、可動する内部導体副線
路15の反復使用により破損することがあっても、内部導
体主線路14との短絡を防止し、主伝送導波管を通過する
信号への影響を最小限に抑えるものである。An insulating plate 26 is inserted between the inner conductor main line 14 and the inner conductor sub line 15. This prevents a short circuit with the inner conductor main line 14 even if it is damaged by repeated use of the movable inner conductor sub line 15, and minimizes the influence on the signal passing through the main transmission waveguide. It is to suppress.
このような構造により、容易に内部導体主線路14と内部
導体副線路15の結合量を調整することができる。さら
に、結合端子19への結合出力が不要のときには、結合量
をほぼゼロに設定することにより、方向性結合器が挿入
接続されたままでも、主伝送導波管内を通過する信号の
損失を最小限に抑えることができる。With such a structure, the coupling amount between the inner conductor main line 14 and the inner conductor sub line 15 can be easily adjusted. Furthermore, when the coupling output to the coupling terminal 19 is not required, the coupling amount is set to almost zero to minimize the loss of the signal passing through the main transmission waveguide even when the directional coupler is still connected. You can keep it to the limit.
なお、以上説明した実施例では、電界結果を行う同軸結
合方式の例を示したが、磁界結合による構造をとること
も可能である。In the embodiment described above, an example of the coaxial coupling method for obtaining the electric field result is shown, but it is also possible to adopt a structure by magnetic field coupling.
上述したように、本発明では、内部導体主線路と内部導
体副線路との同軸結合方式を用いることにより、小型で
高結合量を実現することができる。すなわち、結合量が
大きい方向性結合器を小型にすることができ、設置スペ
ースの有効利用が図れ、またコスト低減を図ることがで
きる。As described above, in the present invention, by using the coaxial coupling method of the inner conductor main line and the inner conductor sub line, it is possible to realize a small size and a high coupling amount. That is, the directional coupler having a large coupling amount can be downsized, the installation space can be effectively used, and the cost can be reduced.
さらに，本発明では、主伝送導波管内を通過する信号に
影響を与えずに、容易かつ連続的に結合量を変えること
ができる。したがって、測定や調査時のように出力の一
部を取り出すことが必要なとき以外は、主伝送導波管内
を通過する信号の損失を最小限に抑えることが可能とな
り、常時方向性結合器を主伝送導波管内に挿入しておく
ことが可能となる。Further, in the present invention, the coupling amount can be easily and continuously changed without affecting the signal passing through the main transmission waveguide. Therefore, it is possible to minimize the loss of the signal that passes through the main transmission waveguide except when it is necessary to take out a part of the output, such as when measuring or investigating. It can be inserted in the main transmission waveguide.
また、可動線路が破損しても内部導体主線路と内部導体
副線路との短絡を防ぐことができ、故障時に主伝送導波
管内を通過する信号に与える影響を最小限に抑えること
ができる。Further, even if the movable line is damaged, it is possible to prevent a short circuit between the inner conductor main line and the inner conductor sub line, and it is possible to minimize the effect on the signal passing through the main transmission waveguide at the time of a failure.
第１図は、本発明の方向性結合器の基本構成を示す図。 第２図は、本発明の方向性結合器の実施例を示す図。 第３図は十字形方向性結合器の構造を示す図。 第４図は同軸線路用として用いられるストリップライン
形の方向性結合器の構造を示す図。 11……入力部、12……出力部、13……外部導体管、14…
…内部導体主線路、15……内部導体副線路、16……入力
端子、17……導波管／同軸変換器、18……通過端子、19
……結合端子、20……非結合端子、21……無反射終端
器、23……絶縁体棒、24……スイッチ、26……絶縁板、
31……主伝送導波管、33……副伝送導波管、35……スリ
ット、41、43……同軸内導体。FIG. 1 is a diagram showing a basic configuration of a directional coupler according to the present invention. FIG. 2 is a diagram showing an embodiment of the directional coupler of the present invention. FIG. 3 is a diagram showing the structure of a cross-shaped directional coupler. FIG. 4 is a view showing the structure of a stripline type directional coupler used for coaxial lines. 11 …… Input section, 12 …… Output section, 13 …… External conductor tube, 14…
… Inner conductor main line, 15 …… Inner conductor sub line, 16 …… Input terminal, 17 …… Waveguide / coaxial converter, 18 …… Passing terminal, 19
...... Coupling terminals, 20 ...... Non-coupling terminals, 21 ...... Non-reflective terminators, 23 ...... Insulator rods, 24 ...... Switches, 26 ...... Insulation plates,
31 …… Main transmission waveguide, 33 …… Sub transmission waveguide, 35 …… Slit, 41,43 …… Coaxial inner conductor.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 丸山 浩男 東京都千代田区内幸町１丁目１番６号 日 本電信電話株式会社内 (72)発明者 村上 寛之 東京都千代田区内幸町１丁目１番６号 日 本電信電話株式会社内 (72)発明者 伊藤 政彦 東京都千代田区内幸町１丁目１番６号 日 本電信電話株式会社内 (56)参考文献 特開 平１−305605（ＪＰ，Ａ) 特開 昭63−169801（ＪＰ，Ａ) 特開 昭52−40043（ＪＰ，Ａ) 特開 昭62−61403（ＪＰ，Ａ) 実公 昭51−52925（ＪＰ，Ｙ１) 実公 昭51−16196（ＪＰ，Ｙ１) 米国特許4983933（ＵＳ，Ａ) 米国特許4433313（ＵＳ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hiroo Maruyama 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corporation (72) Hiroyuki Murakami 1-1-6 Uchisaiwai-cho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corp. (72) Inventor Masahiko Ito 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corp. (56) Reference JP-A-1-305605 (JP, A) Sho 63-169801 (JP, A) JP 52-40043 (JP, A) JP 62-61403 (JP, A) Actual public 51-52925 (JP, Y1) Actual public 51-16196 (JP , Y1) US Patent 4983933 (US, A) US Patent 4433313 (US, A)
Claims (1)
管に入力した信号電力の一部を同軸型の結合端子に取り
出す方向性結合器において、 前記導波管の内部で、前記導波管と同軸内導体との間の
電力交換を行う２つの導波管／同軸変換器と、 前記導波管の外部に設けられ、その内部に互いに平行な
内部導体主線路および内部導体副線路を有する外部導波
管と、 外部導体管の外部から前記内部導体副線路に接触して、
前記内部導体主線路と前記内部導体副線路との間隔を調
整する線路間隔調整部材と、 前記内部導体主線路と前記内部導体副線路との間に挿入
される絶縁板とを備え、 前記２つの導波管／同軸変換器の同軸内導体を前記外部
導体管の内部導体主線路の両端に接続し、 前記外部導体管の内部導体副線路を前記結合端子に接続
した ことを特徴とする方向性結合器。1. A directional coupler in which an input part and an output part are waveguides, and a part of signal power input to the waveguides is taken out to a coaxial coupling terminal, wherein: Two waveguide / coaxial converters for exchanging electric power between the waveguide and the coaxial inner conductor, and an inner conductor main line and an inner conductor which are provided outside the waveguide and are parallel to each other inside the waveguide. An external waveguide having a sub line, and contacting the internal conductor sub line from outside the external conductor tube,
A line spacing adjusting member that adjusts a gap between the inner conductor main line and the inner conductor sub-line; and an insulating plate inserted between the inner conductor main line and the inner-conductor sub-line. Directionality characterized in that the coaxial inner conductor of the waveguide / coaxial converter is connected to both ends of the inner conductor main line of the outer conductor tube, and the inner conductor sub-line of the outer conductor tube is connected to the coupling terminal. Combiner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2238113A JPH07120887B2 (en) | 1990-09-07 | 1990-09-07 | Directional coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2238113A JPH07120887B2 (en) | 1990-09-07 | 1990-09-07 | Directional coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04119001A JPH04119001A (en) | 1992-04-20 |
| JPH07120887B2 true JPH07120887B2 (en) | 1995-12-20 |
Family
ID=17025371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2238113A Expired - Lifetime JPH07120887B2 (en) | 1990-09-07 | 1990-09-07 | Directional coupler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07120887B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3282003B2 (en) * | 1994-11-21 | 2002-05-13 | 日本電気エンジニアリング株式会社 | Waveguide coaxial converter and waveguide matching circuit |
| US6593570B2 (en) * | 2000-05-24 | 2003-07-15 | Agilent Technologies, Inc. | Ion optic components for mass spectrometers |
| CN100373688C (en) * | 2005-12-06 | 2008-03-05 | 电子科技大学 | Adjustable single hole coaxial output directional coupler |
| CN108511866B (en) * | 2018-05-18 | 2024-01-30 | 斯必能通讯器材(上海)有限公司 | Power coupler with adjustable impedance automatic matching |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433313A (en) | 1980-09-12 | 1984-02-21 | Societe D'etude Du Radant | Apparatus for microwave directional coupling between a waveguide and a stripline |
| US4983933A (en) | 1989-10-05 | 1991-01-08 | Sedco Systems Inc. | Waveguide-to-stripline directional coupler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240043A (en) * | 1975-09-25 | 1977-03-28 | Shimada Phys & Chem Ind Co Ltd | Waveguide-type directional coupler |
| JPS604306A (en) * | 1983-06-22 | 1985-01-10 | Mitsubishi Electric Corp | Coupling line |
| JPS6261403A (en) * | 1985-09-11 | 1987-03-18 | Mitsubishi Electric Corp | Directive coupler |
| JPS63169801A (en) * | 1987-01-08 | 1988-07-13 | Fujitsu Ltd | Waveguide circuit module |
| JPH0248801A (en) * | 1988-08-10 | 1990-02-19 | Nec Corp | Package for ultrahigh frequency |
-
1990
- 1990-09-07 JP JP2238113A patent/JPH07120887B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433313A (en) | 1980-09-12 | 1984-02-21 | Societe D'etude Du Radant | Apparatus for microwave directional coupling between a waveguide and a stripline |
| US4983933A (en) | 1989-10-05 | 1991-01-08 | Sedco Systems Inc. | Waveguide-to-stripline directional coupler |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04119001A (en) | 1992-04-20 |
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