JPH066118A - Directional coupler - Google Patents
Directional couplerInfo
- Publication number
- JPH066118A JPH066118A JP3090700A JP9070091A JPH066118A JP H066118 A JPH066118 A JP H066118A JP 3090700 A JP3090700 A JP 3090700A JP 9070091 A JP9070091 A JP 9070091A JP H066118 A JPH066118 A JP H066118A
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- directional coupler
- width
- coupling
- pattern
- 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
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は方向性結合器に係わり、
特にマイクロストリツプ線路で形成された方向性結合器
に関する。FIELD OF THE INVENTION The present invention relates to a directional coupler,
In particular, it relates to a directional coupler formed of a microstrip line.
【０００２】[0002]
【従来の技術および発明が解決しようとする課題】一般
に方向性結合器は伝送路を形成する導波管または平衡２
線伝送路であれ、それぞれの形状または線材の太さ、線
材相互のギャップ等の物理層で結合度（coupling）、伝
送路損失（insertion loss）、方向性（directivity）
等の進行波に関する特性が定まる。また、方向性結合器
の特性は前述の結合度、伝送路損失、方向性の周波数特
性のほか、主軸伝送路入力端から見たＶＳＷＲなどで記
述される。更に、方向性結合器を自動車電話等に用いる
ときは、出来上がり製品としての重量、容積（高さ、奥
行き、巾）等の要素が重要な設計条件となる。2. Description of the Related Art In general, a directional coupler is a waveguide or a balance 2 forming a transmission line.
Even in the case of wire transmission lines, the coupling degree, the transmission line loss (insertion loss), and the directivity (directivity) in the physical layer such as the shape or thickness of the wire rod, the gap between the wire rods, etc.
The characteristics related to traveling waves such as Further, the characteristics of the directional coupler are described by the degree of coupling, the transmission line loss, the frequency characteristic of the directivity, and the VSWR seen from the input end of the main shaft transmission line. Furthermore, when the directional coupler is used in a car telephone or the like, factors such as weight and volume (height, depth, width) of the finished product are important design conditions.
【０００３】しかるに自由空間における主軸伝送路を進
行波に対しそれぞれ主軸側ポート〜、カップリング
側ポート〜とし、主軸側ポート〜の進行波を１
ＧＨＺとすればλ4（但し、添え字の数字は光速２９９.
２８Ｋm／秒を割算した数とする）は約７０mmとなる。
このλ4を短縮させるためには適用するマイクロ波の周
波数に応じた所定幅を保って、主軸側ポート〜、カ
ップリング側ポート〜に相当する２本のリード線を
円環状の高磁性コアに挿入する方法等がある。この方法
によれば、マイクロ波が１ＧＨＺのとき完成品の出来上
り寸法は幅３.０mm、高さ４.０mm、奥行５.２mm程度に小
形化することができる。However, the main shaft transmission line in the free space is defined as a main shaft side port ~ and a coupling side port ~ for the traveling wave, and the main shaft side port ~ of the traveling wave is 1.
If it is GHZ, it is λ 4 (However, the subscript number is the speed of light 299.
The value obtained by dividing 28 km / sec) is about 70 mm.
In order to shorten this λ 4 , maintain a predetermined width according to the frequency of the applied microwave, and connect the two lead wires corresponding to the main shaft side port ~ and the coupling side port ~ to an annular high magnetic core. There is a method to insert it. According to this method, when the microwave is 1 GHz, the finished size of the finished product can be reduced to a width of 3.0 mm, a height of 4.0 mm, and a depth of 5.2 mm.
【０００４】しかし、上記構成の方向性結合器は円環状
の高磁性コアを用いるので立体構造となり、λ4を短縮
することができるが、ＩＣ化の利点が減殺される等の難
点がある。However, since the directional coupler having the above-mentioned configuration uses the annular high magnetic core, it has a three-dimensional structure and can reduce λ 4 , but there are drawbacks such as the advantages of IC integration being diminished.
【０００５】[0005]
【発明の目的】本発明は上述した難点に鑑みなされたも
ので、膜成技術による量産、特性の安定、帯域幅の拡
大、信頼性の向上が得られる方向性結合器を提供するこ
とを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a directional coupler capable of mass production by film forming technology, stability of characteristics, expansion of bandwidth, and improvement of reliability. And
【０００６】[0006]
【課題を解決するための手段】本発明による方向性結合
器は、マイクロ波の４分の一波長の長さで誘電体基板上
に膜成され入射ポートおよび出射ポートを有する所定の
幅の主軸伝送路と、主軸伝送路の所定の幅に対応した特
定の幅のカップリング側伝送路と、主軸伝送路に平行し
て設けられたカップリング側伝送路の主軸伝送路の出射
ポートに対応した第２のカップリング側ポートに接続さ
れ、誘電性基板上に膜成された終端抵抗とを備えてい
る。SUMMARY OF THE INVENTION A directional coupler according to the present invention comprises a spindle having a predetermined width and having a length of a quarter wavelength of a microwave formed on a dielectric substrate and having an entrance port and an exit port. It corresponds to the transmission line, the coupling side transmission line of a specific width corresponding to the predetermined width of the main shaft transmission line, and the output port of the main shaft transmission line of the coupling side transmission line provided in parallel with the main shaft transmission line. A terminating resistor connected to the second coupling-side port and formed on the dielectric substrate.
【０００７】また、本発明による方向性結合器は、カッ
プリング側伝送路の主軸伝送路の入側ポートに対応した
第１のカップリング側ポートには誘電体基板上に膜成さ
れた非可逆形移相器を備えている。Further, in the directional coupler according to the present invention, the first coupling side port corresponding to the input side port of the main shaft transmission line of the coupling side transmission line is a non-reciprocal film formed on the dielectric substrate. Equipped with a phase shifter.
【０００８】[0008]
【発明の作用】図２に示すＲＦＩＮ側の銀電極ＥＰ1か
ら１ＧＨＺのＲＦ信号を入力するとＲＦＯＵＴ側の銀電
極ＥＰ2から挿入損失０.３ｄＢ以下のＲＦ信号が出力さ
れる。このときの結合度は２０ｄＢ、＃１分配出力の銀
電去ＥＰ3の分配出力は１５ｄＢ以上である。また、Ｒ
ＦＩＮ側の銀電極ＥＰ1から見たＶＳＷＲは１.３以下で
ある。When the RF signal of 1 GHz is input from the silver electrode EP 1 on the RFIN side shown in FIG. 2, an RF signal with an insertion loss of 0.3 dB or less is output from the silver electrode EP 2 on the RFOUT side. The coupling degree at this time is 20 dB, and the distribution output of the silver ionization EP 3 of the # 1 distribution output is 15 dB or more. Also, R
VSWR as viewed from the silver electrode EP 1 on the FIN side is 1.3 or less.
【０００９】また、非可逆形移相器を設ければ＃１分配
出力の銀電極ＥＰ3の分配出力は非可逆形移相器を設け
ない場合に比べて数ｄＢ改善される。Further, if the non-reciprocal phase shifter is provided, the distributed output of the silver electrode EP 3 for the # 1 distribution output is improved by several dB as compared with the case where the non-reciprocal phase shifter is not provided.
【００１０】[0010]
【実施例】以下、本発明による方向性結合器の一実施例
を図に従って詳述する。本発明による方向性結合器は図
１に示すように、幅ＬＸ＝４.９９、奥行ＬＹ＝４.５、
高さＬＺ＝０.６３５（以下単位mm）のアルミナ基材１
の幅ＬＸの一方の側の端面に銀電極ＥＰ1、ＥＰ5、ＥＰ
6、ＥＰ2を順次配設し、他方の側の端面には銀電極ＥＰ
3、ＥＰ7、ＥＰ8、ＥＰ4を設ける。また銀電極ＥＰ1〜
Ｅ２4は０.５×０.５（単位mm）であり、銀電極ＥＰ5、
ＥＰ6、ＥＰ7、ＥＰ8は使用しない。それぞれの銀電極
ＥＰ1〜ＥＰ2、ＥＰ3〜ＥＰ4の間隔はＬＸ1（０.５９m
m）、ＬＸ2（１.２７mm）、ＬＸ2、ＬＸ2、ＬＸ1及びＬ
Ｘ1、ＬＸ2、ＬＸ2、ＬＸ2、ＬＸ1である。銀電極ＥＰ1
〜ＥＰ4はアルミナ基板１の裏面にも表面と同様な半田
めっき仕上げが施されている。アルミナ基板１の高さＬ
Ｚ（０.６３５mm）は最終工程で外装用の樹脂でオーバ
ーコートされ、最大の高さは１.３mmである。通常１２
×１２、合計１４４個分をアルミナ基板上に印刷し、焼
成、硬化させ単品として分割する。アルミナ基板１には
図２に示すパターンが膜成されている。なお、銀電極Ｅ
Ｐ1〜ＥＰ4の組成は銀８７％、パラジュム１３％であ
る。またパターンの組成は金８５％、ガラス１５％であ
る。またオーバーコート材料はホウ素、ケイ素及びガラ
スである。また、アルミナ基板１の誘電率εは９.７で
ある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the directional coupler according to the present invention will be described in detail below with reference to the drawings. As shown in FIG. 1, the directional coupler according to the present invention has a width LX = 4.99 and a depth LY = 4.5.
Alumina base material 1 with height LZ = 0.635 (hereinafter unit mm)
Of the silver electrodes EP 1 , EP 5 , EP on one end face of the width LX
6 , EP 2 are sequentially arranged, and a silver electrode EP is provided on the other end face.
3 , EP 7 , EP 8 and EP 4 are provided. Also, silver electrode EP 1 ~
E2 4 is 0.5 × 0.5 (unit: mm), and the silver electrode EP 5 is
EP 6 , EP 7 , and EP 8 are not used. The distance between the silver electrodes EP 1 to EP 2 and EP 3 to EP 4 is LX 1 (0.59 m).
m), LX 2 (1.27mm) , LX 2, LX 2, LX 1 and L
X 1 , LX 2 , LX 2 , LX 2 and LX 1 . Silver electrode EP 1
～EP 4 is similar solder plating finish and even surface on the back surface of the alumina substrate 1 is subjected. Height L of alumina substrate 1
Z (0.635 mm) is overcoated with resin for the exterior in the final process, and the maximum height is 1.3 mm. Usually 12
× 12, 144 pieces in total, are printed on an alumina substrate, baked and cured to be divided into individual pieces. The pattern shown in FIG. 2 is formed on the alumina substrate 1. The silver electrode E
The composition of P 1 to EP 4 is 87% silver and 13% palladium. The composition of the pattern is 85% gold and 15% glass. The overcoat materials are boron, silicon and glass. The dielectric constant ε of the alumina substrate 1 is 9.7.
【００１１】図２に示すパターンは＃１分配出力となる
銀電極ＥＰ3及び＃２分配出力となる銀電極ＥＰ4と、主
軸伝送路のＲＦＩＮ側となる銀電極ＥＰ1、ＲＦＯＵＴ
側となる銀電極ＥＰ2とで形成される。ＲＦ側パターン
と分配側パターンの幅はＷ1（０.２mm）でパターン相互
の間隔も同様にＷ1（０.２mm）となっている。銀電極Ｅ
Ｐ1とＥＰ2及びＥＰ3とＥＰ2の間隔はＸＷ1（３.８１m
m）である。分配側パターンの＃２分配出力には５０Ω
の終端抵抗２の一方が接続され、終端抵抗２の他端は銀
電極ＥＰ4と接続される。In the pattern shown in FIG. 2, the silver electrode EP 3 serving as the # 1 distribution output, the silver electrode EP 4 serving as the # 2 distribution output, and the silver electrodes EP 1 and RFOUT serving as the RFIN side of the main shaft transmission line.
It is formed with the silver electrode EP 2 which becomes the side. The width of the RF side pattern and the distribution side pattern is W 1 (0.2 mm), and the interval between the patterns is also W 1 (0.2 mm). Silver electrode E
The distance between P 1 and EP 2 and EP 3 and EP 2 is XW 1 (3.81 m
m). 50Ω for # 2 distribution output of distribution side pattern
One of the terminating resistors 2 is connected, and the other end of the terminating resistor 2 is connected to the silver electrode EP 4 .
【００１２】図３にＲＦパターンと分配パターンの幅が
それぞれＷ2（０.４mm）の場合を示す。パターン相互の
間隔はＷ1（０.２mm)である。図４にＲＦ側パターンと
分配側パターンの幅がそれぞれＷ3（０.６mm）の場合を
示す。パターン相互の間隔はＷ1（０.２mm）である。図
５にＲＦ側パターンの幅がＷ3（０.６mm）、分配側パタ
ーンの幅がＷ2（０.２mm）の場合を示す。パターン相互
の間隔はＷ1（０.２mm）である。FIG. 3 shows a case where the widths of the RF pattern and the distribution pattern are W 2 (0.4 mm), respectively. The distance between the patterns is W 1 (0.2 mm). FIG. 4 shows a case where the width of the RF side pattern and the width of the distribution side pattern are W 3 (0.6 mm), respectively. The distance between the patterns is W 1 (0.2 mm). FIG. 5 shows a case where the width of the RF side pattern is W 3 (0.6 mm) and the width of the distribution side pattern is W 2 (0.2 mm). The distance between the patterns is W 1 (0.2 mm).
【００１３】図６にＲＦ側パターンの幅がＷ2（０.２m
m）、分配側パターンの幅がＷ3（０.６mm）の場合を示
す。パターン相互の間隔はＷ1（０.２mm）である。図７
にＲＦ側パターンと分配側パターンのそれぞれの幅がＷ
2（０.２mm）の場合を示す。パターン相互の間隔はＷ0
（０.１５mm）である。図８にＲＦ側パターンと分配側
パターンのそれぞれの幅がＷ3（０.６mm）の場合を示
す。パターン相互の間隔はＷ4（０.３mm）である。In FIG. 6, the width of the RF side pattern is W 2 (0.2 m
m), and the width of the distribution side pattern is W 3 (0.6 mm). The distance between the patterns is W 1 (0.2 mm). Figure 7
The width of each of the RF side pattern and the distribution side pattern is W
2 (0.2 mm) is shown. The distance between the patterns is W 0
(0.15 mm). FIG. 8 shows the case where the width of each of the RF side pattern and the distribution side pattern is W 3 (0.6 mm). The distance between the patterns is W 4 (0.3 mm).
【００１４】図９に図２に示すＲＦ側パターン、分配側
パターン及びパターン相互の間隔がすべてＷ1（０.２m
m）で＃１分配出力に２対の非可逆形移相器を設けた場
合を示す。非可逆形移相器の幅および間隔はＷ1（０.２
mm）である。図１０に図９に示すパターンの＃１分配出
力に１対の非可逆形移相器を設けた場合を示す。In FIG. 9, the RF side pattern, the distribution side pattern, and the space between the patterns shown in FIG. 2 are all W 1 (0.2 m).
m) shows the case where two pairs of nonreciprocal phase shifters are provided for the # 1 distribution output. The width and interval of the nonreciprocal phase shifter is W 1 (0.2
mm). FIG. 10 shows a case where a pair of nonreciprocal phase shifters are provided for the # 1 distributed output of the pattern shown in FIG.
【００１５】図１１に１対の非可逆形移相器を設け、か
つ、ＲＦ側パターンと分配側パターン及び非可逆形移相
器の幅はそれぞれＷ2（０.４mmn）である場合を示す。
非可逆形移相器、パターン相互の間隔はＷ1（０.２mm）
である。上記構成の方向性結合器ではＲＦ側パターンと
分配側パターンとの間のパターン相互の間隔は図７に示
す方向性結合器がＷ0（０.１５mm）、図８に示す方向性
結合器がＷ4（０.３mm）、その他はＷ1（０.２mm）であ
る。FIG. 11 shows a case where a pair of non-reciprocal type phase shifters are provided and the widths of the RF side pattern, the distribution side pattern and the non-reciprocal type phase shifter are W 2 (0.4 mmn). .
Non-reciprocal type phase shifter, spacing between patterns is W 1 (0.2mm)
Is. In the directional coupler configured as described above, the mutual spacing between the RF side pattern and the distribution side pattern is W 0 (0.15 mm) for the directional coupler shown in FIG. 7 and for the directional coupler shown in FIG. W 4 (0.3 mm) and W 1 (0.2 mm) for others.
【００１６】代表的方向性結合器の図２に示すパターン
の特性図を図１２、図１３に示す。図１２は挿入損失Ｆ
ＡとリターンロスＦＢを示し、図１３は結合度ＦＣとア
イソレーションＦＤを示す。それぞれの０.９ＧＨＺの
特性点Ｐ1、Ｐ2、Ｐ3、Ｐ4は−０.３ｄＢ（挿入損
失）、−２８ｄＢ（ＶＳＲＷで１、３）、−２０ｄＢ
（結合度）、−３８ｄＢ（アイソレーション）であり、
０.１ＧＨＺ〜１.５ＧＨＺまで各周波数に対し、優れた
特性が得られている。Characteristic diagrams of the pattern shown in FIG. 2 of a typical directional coupler are shown in FIGS. Figure 12 shows insertion loss F
A and return loss FB are shown, and FIG. 13 shows coupling degree FC and isolation FD. The characteristic points P 1 , P 2 , P 3 , and P 4 of each 0.9 GHz are −0.3 dB (insertion loss), −28 dB (VSRW 1, 3), −20 dB.
(Degree of binding), -38 dB (isolation),
Excellent characteristics are obtained for each frequency from 0.1 GHZ to 1.5 GHZ.
【００１７】また、図３〜図８の方向性結合器は図２に
示す方向性結合器の上記各種特性に対し若干優れた特性
の部分と、若干低下した特性の部分の組合わせ特性を示
しているが用途に応じて使用すれば物理的強度等を含め
て最適設計条件を具現できる。また、図９〜図１１に示
す非可逆形移相器を設けたものは、非可逆形移相器を設
けないものに比べ＃１分配出力が若干、改善されてい
る。Further, the directional couplers shown in FIGS. 3 to 8 show a combination characteristic of a portion having a characteristic slightly superior to the above various characteristics of the directional coupler shown in FIG. 2 and a portion having a characteristic slightly lowered. However, if used according to the application, the optimum design conditions including physical strength can be realized. Moreover, the # 1 distribution output of the device provided with the nonreciprocal phase shifter shown in FIGS. 9 to 11 is slightly improved as compared with the device without the nonreciprocal phase shifter.
【００１８】[0018]
【発明の効果】以上の実施例から明らかなように、本発
明による方向性結合器は、マイクロ波の４分の一波長の
長さで誘電体基板上に膜成され入射ポートおよび出射ポ
ートを有する所定の幅の主軸伝送路と、主軸伝送路の所
定の幅に対応した特定の幅のカップリング側伝送路と、
主軸伝送路に平行して設けられたカップリング側伝送路
の主軸伝送路の出射ポートに対応した第２のカップリン
グ側ポートに接続され、誘電性基板上に膜成された終端
抵抗とで構成されているので、膜成技術による量産、特
性の安定、帯域幅の拡大、信頼性の向上が図れる効果が
ある。As is apparent from the above embodiments, the directional coupler according to the present invention is formed into a film on a dielectric substrate with a length of a quarter wavelength of microwaves and has an entrance port and an exit port. A spindle transmission line having a predetermined width and a coupling-side transmission line having a specific width corresponding to the predetermined width of the spindle transmission line;
The coupling-side transmission line provided in parallel with the main-axis transmission line is connected to the second coupling-side port corresponding to the emission port of the main-axis transmission line, and is composed of a terminating resistor film-formed on the dielectric substrate. Therefore, there is an effect that mass production by film forming technology, stability of characteristics, expansion of bandwidth, and improvement of reliability can be achieved.
【００１９】また、本発明による方向性結合器は、カッ
プリング側伝送路の主軸伝送路の入側ポートに対応した
第１のカップリング側ポートには誘電体基板上に膜成さ
れた非可逆形移相器で構成すれば、安定した分配出力が
得られる効果がある。Further, in the directional coupler according to the present invention, the first coupling-side port corresponding to the input-side port of the main-shaft transmission line of the coupling-side transmission line is a nonreciprocal film formed on the dielectric substrate. If it is composed of a phase shifter, there is an effect that a stable distributed output can be obtained.
【図１】本発明による方向性結合器に用いるアルミナ基
板の一実施例を示す斜視図FIG. 1 is a perspective view showing an embodiment of an alumina substrate used in a directional coupler according to the present invention.
【図２】本発明による方向性結合器のＲＦ側パターンと
分配器パターンの幅が０.２mmの一実施例を示す構成図FIG. 2 is a configuration diagram showing an embodiment in which the width of the RF side pattern and the distributor pattern of the directional coupler according to the present invention is 0.2 mm.
【図３】本発明による方向性結合器のＲＦ側パターンと
分配器パターンの幅が０.４mmの一実施例を示す構成図FIG. 3 is a configuration diagram showing an embodiment in which the width of the RF side pattern and the distributor pattern of the directional coupler according to the present invention is 0.4 mm.
【図４】本発明による方向性結合器のＲＦ側パターンと
分配器パターンの幅が０.６mmの一実施例を示す構成図FIG. 4 is a configuration diagram showing an embodiment in which the width of the RF side pattern and the distributor pattern of the directional coupler according to the present invention is 0.6 mm.
【図５】本発明による方向性結合器のＲＦ側パターンの
幅が０.６mm、分配器パターンの幅が０.４mmの一実施例
を示す構成図FIG. 5 is a configuration diagram showing an embodiment in which the width of the RF side pattern of the directional coupler according to the present invention is 0.6 mm and the width of the distributor pattern is 0.4 mm.
【図６】本発明による方向性結合器のＲＦ側パターンの
幅が０.４mm、分配器パターンの幅が０.４mmの一実施例
を示す構成図FIG. 6 is a block diagram showing an embodiment in which the width of the RF side pattern of the directional coupler according to the present invention is 0.4 mm and the width of the distributor pattern is 0.4 mm.
【図７】本発明による方向性結合器のパターン相互の幅
が０.１５mmの一実施例を示す構成図FIG. 7 is a configuration diagram showing an embodiment in which the mutual width of the patterns of the directional coupler according to the present invention is 0.15 mm.
【図８】本発明による方向性結合器のパターン相互の幅
が０.４mmの一実施例を示す構成図FIG. 8 is a configuration diagram showing an embodiment in which the mutual width of patterns of the directional coupler according to the present invention is 0.4 mm.
【図９】本発明による方向性結合器の＃１分配出力側に
２対の非可逆形移相器を設けた他の実施例の構成図FIG. 9 is a configuration diagram of another embodiment in which two pairs of nonreciprocal phase shifters are provided on the # 1 distribution output side of the directional coupler according to the present invention.
【図１０】本発明による方向性結合器の＃１分配出力側
に１対の非可逆形移相器を設けた他の実施例の構成図FIG. 10 is a configuration diagram of another embodiment in which a pair of nonreciprocal type phase shifters are provided on the # 1 distribution output side of the directional coupler according to the present invention.
【図１１】本発明による方向性結合器の＃１分配出力側
に幅が０.４mm１対の非可逆形移相器を設けた他の実施
例の構成図FIG. 11 is a configuration diagram of another embodiment in which a non-reciprocal type phase shifter having a width of 0.4 mm is provided on the # 1 distribution output side of the directional coupler according to the present invention.
【図１２】本発明による方向性結合器の特性図FIG. 12 is a characteristic diagram of a directional coupler according to the present invention.
【図１３】本発明による方向性結合器の特性図FIG. 13 is a characteristic diagram of the directional coupler according to the present invention.
１・・・・・・アルミナ基板（誘電性基板） ２・・・・・・終端抵抗 ＥＰ1、ＥＰ2・・・・・・銀電極（主軸伝送路） ＥＰ3、ＥＰ4・・・・・・銀電極（カップリング側ポート）1 ··· Alumina substrate (dielectric substrate) 2 ··· Terminal resistance EP 1 , EP 2 ··· Silver electrode (spindle transmission line) EP 3 , EP 4 ··· ..Silver electrodes (coupling side ports)
───────────────────────────────────────────────────── フロントページの続き (72)発明者 富田康則 埼玉県秩父郡吉田町大字下吉田6972 株式 会社タイセー内 (72)発明者 加藤和久 埼玉県秩父郡吉田町大字下吉田6972 株式 会社タイセー内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasunori Tomita 6972 Shimoyoshida, Yoshida-cho, Chichibu-gun, Saitama, Taisei Co., Ltd. (72) Kazuhisa Kato, 6972 Shimoyoshida, Yoshida-cho, Chichibu, Saitama
Claims (2)
基板上に膜成され入射ポートおよび出射ポートを有する
所定の幅の主軸伝送路と、前記主軸伝送路の所定の幅に
対応した特定の幅のカップリング側伝送路と、前記主軸
伝送路に平行して設けられた前記カップリング側伝送路
の前記主軸伝送路の出射ポートに対応した第２のカップ
リング側ポートに接続され、前記誘電性基板上に膜成さ
れた終端抵抗とを備えたことを特徴とする方向性結合
器。1. A main shaft transmission line having a predetermined width, which has a length of a quarter wavelength of a microwave and is formed on a dielectric substrate and has an entrance port and an exit port, and a predetermined width of the main shaft transmission line. Connected to a coupling-side transmission line having a corresponding specific width, and a second coupling-side port corresponding to an emission port of the main-axis transmission line of the coupling-side transmission line provided in parallel with the main-axis transmission line. And a terminating resistor film-formed on the dielectric substrate.
路の前記入側ポートに対応した第１のカップリング側ポ
ートには前記誘電体基板上に膜成された非可逆形移相器
を備えたことを特徴とする請求項１記載の方向性結合
器。2. A nonreciprocal phase shifter formed on the dielectric substrate at a first coupling-side port of the coupling-side transmission line corresponding to the input-side port of the spindle transmission line. The directional coupler according to claim 1, wherein the directional coupler is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3090700A JPH066118A (en) | 1991-04-22 | 1991-04-22 | Directional coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3090700A JPH066118A (en) | 1991-04-22 | 1991-04-22 | Directional coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH066118A true JPH066118A (en) | 1994-01-14 |
Family
ID=14005804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3090700A Pending JPH066118A (en) | 1991-04-22 | 1991-04-22 | Directional coupler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066118A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999019934A1 (en) * | 1997-10-15 | 1999-04-22 | Avx Corporation | Surface mount coupler device |
| KR101432708B1 (en) * | 2012-11-06 | 2014-08-25 | (주)파트론 | Directional Coupler |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0291990A (en) * | 1988-09-29 | 1990-03-30 | Taiyo Yuden Co Ltd | Manufacture of thick film circuit |
| JPH02214207A (en) * | 1989-02-14 | 1990-08-27 | Mitsubishi Electric Corp | Microwave hybrid coupling type amplifier |
| JP4119107B2 (en) * | 2001-09-28 | 2008-07-16 | 益栄 佐藤 | A panel body for building a house and a house formed by the panel body |
-
1991
- 1991-04-22 JP JP3090700A patent/JPH066118A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0291990A (en) * | 1988-09-29 | 1990-03-30 | Taiyo Yuden Co Ltd | Manufacture of thick film circuit |
| JPH02214207A (en) * | 1989-02-14 | 1990-08-27 | Mitsubishi Electric Corp | Microwave hybrid coupling type amplifier |
| JP4119107B2 (en) * | 2001-09-28 | 2008-07-16 | 益栄 佐藤 | A panel body for building a house and a house formed by the panel body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999019934A1 (en) * | 1997-10-15 | 1999-04-22 | Avx Corporation | Surface mount coupler device |
| US6342681B1 (en) | 1997-10-15 | 2002-01-29 | Avx Corporation | Surface mount coupler device |
| KR101432708B1 (en) * | 2012-11-06 | 2014-08-25 | (주)파트론 | Directional Coupler |
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