JP3178239B2 - Non-reciprocal circuit device - Google Patents
Non-reciprocal circuit deviceInfo
- Publication number
- JP3178239B2 JP3178239B2 JP09101194A JP9101194A JP3178239B2 JP 3178239 B2 JP3178239 B2 JP 3178239B2 JP 09101194 A JP09101194 A JP 09101194A JP 9101194 A JP9101194 A JP 9101194A JP 3178239 B2 JP3178239 B2 JP 3178239B2
- Authority
- JP
- Japan
- Prior art keywords
- center
- electrode
- port
- port electrode
- electrodes
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/387—Strip line circulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/18—Waveguides; Transmission lines of the waveguide type built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
Landscapes
- Non-Reversible Transmitting Devices (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明は、マイクロ波帯の高周波
部品として採用される非可逆回路素子、例えばアイソレ
ータ，サーキュレータに関し、詳細には各ポート電極間
の分布容量を同等にでき、ひいては電気的特性の高性能
化に対応でき、また整合用回路素子を不要にして小型
化，軽量化，及び低価格化に貢献できるようにした中心
電極の配置構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-reciprocal circuit device, such as an isolator and a circulator, which is employed as a high-frequency component in a microwave band. The present invention relates to an arrangement structure of a center electrode which can cope with high performance of characteristics and can contribute to miniaturization, weight reduction and cost reduction by eliminating the need for a matching circuit element.
【０００２】[0002]
【従来の技術】一般にアイソレータ，サーキュレータ
は、信号を伝送方向にのみ通過させ、逆方向への伝送を
阻止する機能を有しており、例えば携帯電話，自動車電
話等の移動通信機器の送信回路部に採用されている。2. Description of the Related Art Generally, isolators and circulators have a function of passing a signal only in a transmission direction and preventing transmission in a reverse direction. For example, a transmission circuit section of a mobile communication device such as a mobile phone or a car phone. Has been adopted.
【０００３】図５は、一般的な集中定数型アイソレータ
の基本等価回路を示す。このアイソレータ１はフェライ
ト２に３つの中心導体Ｌ１〜Ｌ３を電気的絶縁状態で、
かつ１２０度の角度ごとに交差させて配置し、該フェラ
イト２の軸方向に直流磁界Ｈｅｘを印加して構成されて
いる。上記各中心導体Ｌ１〜Ｌ３の一端はアースに接続
されており、他端には整合用容量素子Ｃ１〜Ｃ３が接続
されている。また上記各中心導体Ｌ１〜Ｌ３のうち１つ
の中心電極Ｌ３のポートＰ３には終端抵抗器Ｒ３が接続
されている。上記アイソレータ１は、ポートＰ１からの
信号をポートＰ２に伝送し、該ポートＰ２から進入する
反射波を終端抵抗器Ｒ３で吸収してポートＰ１への伝送
を阻止する機能を有しており、これにより不要波が電力
増幅器等に進入するのを防止している。FIG. 5 shows a basic equivalent circuit of a general lumped constant type isolator. In this isolator 1, three center conductors L1 to L3 are electrically insulated from a ferrite 2,
The ferrite 2 is arranged so as to intersect at an angle of 120 degrees and a DC magnetic field Hex is applied in the axial direction of the ferrite 2. One end of each of the center conductors L1 to L3 is connected to ground, and the other end is connected to matching capacitive elements C1 to C3. A terminal resistor R3 is connected to the port P3 of one of the center conductors L1 to L3. The isolator 1 has a function of transmitting a signal from the port P1 to the port P2, absorbing a reflected wave entering from the port P2 by the terminating resistor R3, and preventing transmission to the port P1. This prevents unnecessary waves from entering the power amplifier and the like.
【０００４】上記アイソレータの中心電極部分の一構造
例として、従来、図９に示すものがある。これは一部又
は全部がフェライトからなる各絶縁シート２０の上面に
中心電極２１〜２３を形成し、該各中心電極２１〜２３
が互いに交差するように重ね合わせるとともに、これを
一対のフェライト２４，２５で挟持した構造である。こ
のフェライト２４，２５及び各絶縁シート２２は一体化
する場合がある。ところで上記構造のものでは、各中心
電極２１〜２３の抵抗分が大きいことから、中心電極の
インダクタンスのＱが低いという問題がある。FIG. 9 shows a conventional example of the structure of the center electrode portion of the isolator. This means that the center electrodes 21 to 23 are formed on the upper surface of each insulating sheet 20 partially or entirely made of ferrite, and the center electrodes 21 to 23 are formed.
Are overlapped so as to cross each other, and this is sandwiched between a pair of ferrites 24 and 25. The ferrites 24 and 25 and the insulating sheets 22 may be integrated. By the way, in the above structure, since the resistance of each of the center electrodes 21 to 23 is large, there is a problem that the Q of the inductance of the center electrode is low.
【０００５】このような中心電極の抵抗分を減少させて
Ｑを向上するために、従来、図６及び図７に示す構造の
ものがある。これはそれぞれ３つの中心電極３０〜３２
を絶縁シート３３〜３５を介在させて積層してなる第１
〜第３ポート電極部３６〜３８を形成し、各ポート電極
部３６〜３８をこれの各中心電極３０〜３２が互いに交
差するよう配置して構成されている。また、図８に示す
ように、各ポート電極部３６〜３８の間に絶縁層４０を
介在させた構造のものもある。上記構造によれば、各中
心電極３０〜３２のインダクタンスのＱを向上でき、低
挿入損失化を実現できる。Conventionally, there is a structure shown in FIGS. 6 and 7 in order to improve the Q by reducing the resistance of the center electrode. This has three central electrodes 30-32, respectively.
Are laminated with insulating sheets 33 to 35 interposed therebetween.
To the third port electrode portions 36 to 38, and the respective port electrode portions 36 to 38 are arranged such that their respective center electrodes 30 to 32 cross each other. Further, as shown in FIG. 8, there is also a structure in which an insulating layer 40 is interposed between the respective port electrode portions 36 to 38. According to the above structure, the Q of the inductance of each of the center electrodes 30 to 32 can be improved, and a low insertion loss can be realized.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら上記従来
の中心電極を積層した構造では、第２ポート電極部３７
とこれと隣合う第１ポート電極部３６，第３ポート電極
部３８との分布容量は等しいものの、両外側に位置する
第１，第３ポート電極部３６，３８間の分布容量は小さ
くなるという問題がある。即ち、図５に示すように、ポ
ートＰ１とポートＰ３間の分布容量Ｃ３−１はＣ１−
２，Ｃ２−３に比べてより小さくなる。However, in the conventional structure in which the center electrodes are stacked, the second port electrode portion 37 is not provided.
Although the distributed capacitance of the first port electrode portion 36 and the third port electrode portion 38 adjacent thereto is equal, the distributed capacitance between the first and third port electrode portions 36 and 38 located on both outer sides is reduced. There's a problem. That is, as shown in FIG. 5, the distributed capacitance C3-1 between the port P1 and the port P3 is C1-
2, C2-3.
【０００７】ここで、上記Ｃ３−１の分布容量の不足分
を補うには、第１，第３ポートＰ１，Ｐ３の整合用容量
素子Ｃ１，Ｃ３の容量を大きくすることが考えられる。
しかしＣ１，Ｃ３の容量を大きくすると、動作のバラン
スが悪化し、各ポート間Ｐ１〜Ｐ３のＩ．Ｌ．特性，ア
イソレーション特性及びリターンロス特性にばらつきが
生じ、均一な電気的特性が得られなくなるという問題が
ある。Here, in order to compensate for the shortage of the distributed capacitance of C3-1, it is conceivable to increase the capacitance of the matching capacitive elements C1, C3 of the first and third ports P1, P3.
However, when the capacitances of C1 and C3 are increased, the balance of operation is deteriorated, and the I.P. L. There is a problem that variations occur in the characteristics, isolation characteristics, and return loss characteristics, and uniform electric characteristics cannot be obtained.
【０００８】また上記非可逆回路素子においては、その
用途からして部品の小型化，軽量化，ならびに低価格化
が要請されている。しかし上記従来の構造では、各中心
電極に整合用回路素子を別途付加することから、上記小
型化，低価格化に対応できず、この点の改善が要請され
ている。[0008] In the non-reciprocal circuit device, the size, weight, and cost of the component are required for its use. However, in the above-mentioned conventional structure, since a matching circuit element is separately added to each center electrode, it is not possible to cope with the above-mentioned miniaturization and cost reduction, and an improvement in this point is demanded.
【０００９】本発明は、上記従来の状況に鑑みてなされ
たもので、各ポート電極間の電気的特性を均一にして高
性能化に対応でき、かつ整合用回路素子を不要にして小
型化，軽量化，及び低価格化に貢献できる非可逆回路素
子を提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional circumstances, and has a uniform electric characteristic between each port electrode to cope with high performance. It is an object of the present invention to provide a non-reciprocal circuit device that can contribute to weight reduction and cost reduction.
【００１０】[0010]
【課題を解決するための手段】本発明は、複数の中心電
極を絶縁層を介在させて交互に積層し、かつ中心電極同
士を電気的に接続してなる第１〜第３ポート電極部を所
定角度ごとに交差させて配置し、該各ポート電極部の交
差部分にフェライトを当接するとともに直流磁界を印加
するようにした非可逆回路素子において、上記第１ポー
ト電極部の外側に位置する中心電極を上記第３ポート電
極部の外側に隣接するよう配置し、該第３ポート電極部
の外側に位置する中心電極を上記第１ポート電極部の外
側に隣接するよう配置し、この差し替え配置した両中心
電極と該中心電極に隣接する上記第１，第３ポート電極
部との距離を他の中心電極間距離より大きくしたことを
特徴としている。According to the present invention, a plurality of center electrodes are alternately laminated with an insulating layer interposed therebetween, and first to third port electrode portions formed by electrically connecting the center electrodes are provided. In a non-reciprocal circuit device which is arranged so as to intersect at a predetermined angle and a ferrite is brought into contact with an intersection of each port electrode portion and a DC magnetic field is applied, a center located outside the first port electrode portion is provided. The electrode is arranged so as to be adjacent to the outside of the third port electrode portion, and the center electrode located outside the third port electrode portion is arranged so as to be adjacent to the outside of the first port electrode portion, and is replaced and arranged. The distance between the two center electrodes and the first and third port electrode portions adjacent to the center electrode is larger than the distance between the other center electrodes.
【００１１】ここで、上記差し替え配置した中心電極の
隣接距離は、他の中心電極電極距離の２倍程度にするの
が望ましく、これにより分布容量の均一化が図れる。Here, it is desirable that the adjacent distance between the center electrodes replaced and arranged is about twice as long as the distance between the other center electrode electrodes, whereby the distribution capacitance can be made uniform.
【００１２】[0012]
【作用】本発明に係る非可逆回路素子によれば、第１，
第３ポート電極部の外側に位置する中心電極を、それぞ
れ反対側のポート電極部に差し替え配置したので、この
両中心電極とこれに隣接する第１，第３ポート電極部と
で分布容量の不足分を補うことができ、これにより第２
ポート電極部と隣合う第１，第３ポート電極部間の分布
容量と同等にできる。その結果、第１，第３ポートの整
合用回路素子の容量を大きくする場合の動作のバランス
を改善でき、各ポート間のＩ．Ｌ．特性，アイソレーシ
ョン特性及びリターンロス特性を均一にでき、高性能化
に対応できる。According to the non-reciprocal circuit device of the present invention, the first,
Since the center electrodes located outside the third port electrode section are replaced with the port electrode sections on the opposite sides, respectively, the shortage of the distributed capacitance occurs between the center electrodes and the first and third port electrode sections adjacent thereto. Can make up for the second
The distribution capacitance between the first and third port electrode portions adjacent to the port electrode portion can be equalized. As a result, the operation balance when the capacitance of the matching circuit element of the first and third ports is increased can be improved, and the I.V. L. Characteristics, isolation characteristics, and return loss characteristics can be made uniform, and high performance can be achieved.
【００１３】また本発明では、上記差し替え配置した両
中心電極により各ポート電極部間の分布容量で中心電極
の整合容量をとることが可能となるので、従来の別途付
加していた整合用回路素子を不要にでき、ひいては部品
の小型化，軽量化に対応でき、かつ低価格化に貢献でき
る。さらに各ポートの中心電極を多層構造としたので、
中心電極の抵抗分を小さくしてＱを向上でき、それだけ
挿入損失を小さくすることができ、この点からも高性能
化に対応できる。According to the present invention, since the center electrode is replaced by the center electrode, the matching capacity of the center electrode can be obtained by the distributed capacity between the port electrode portions. Can be eliminated, and the components can be made smaller and lighter, and can contribute to lower prices. Furthermore, since the center electrode of each port has a multilayer structure,
The Q can be improved by reducing the resistance of the center electrode, and the insertion loss can be reduced accordingly.
【００１４】[0014]
【実施例】以下、本発明の一実施例を図について説明す
る。図１ないし図３は、本発明に係る一実施例による非
可逆回路素子を説明するための図であり、本実施例では
集中定数型アイソレータに適用した場合を例にとって説
明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 to 3 are diagrams for explaining a non-reciprocal circuit device according to an embodiment of the present invention. In this embodiment, a case where the present invention is applied to a lumped constant type isolator will be described as an example.
【００１５】図において、５は本実施例の特徴をなすア
イソレータであり、これは後述する第１〜第３ポート電
極部６〜８を互いに１２０度間隔ごとに交差させて配置
し、これの上部及び下部にそれぞれフェライト９，１０
を配置し、該フェライト９，１０，及び上記各ポート電
極部６〜８を一体に形成して構成されている。In FIG. 1, reference numeral 5 denotes an isolator which is a feature of the present embodiment. The isolator 5 has first to third port electrode portions 6 to 8 which will be described later intersect with each other at intervals of 120 degrees. And ferrites 9 and 10 at the bottom, respectively
And the ferrites 9 and 10 and the port electrode portions 6 to 8 are integrally formed.
【００１６】上記各フェライト９，１０の外表面にはア
ース板１１ａ，１１ｂが配設されており、この両アース
板１１ａ，１１ｂは上記アイソレータ５の外周面にこれ
の周方向に１２０度間隔を開けて形成されたアース電極
１２ａ〜１２ｃを介して接続されている。Ground plates 11a and 11b are provided on the outer surfaces of the ferrites 9 and 10, respectively. The ground plates 11a and 11b are spaced 120 degrees apart from each other on the outer peripheral surface of the isolator 5 in the circumferential direction. They are connected via earth electrodes 12a to 12c formed open.
【００１７】また上記アイソレータ５の外周面の各アー
ス電極１２ａ〜１２ｃの間には入出力端子電極１３ａ〜
１３ｃが形成されており、このうち１つの端子電極１３
ｃには図示しない終端抵抗器が接続されている。なお、
この終端抵抗器を接続しないで上記入出力端子電極１３
ｃを外部回路に接続する場合はサーキュレータとして機
能する。The input / output terminal electrodes 13a to 13c are provided between the ground electrodes 12a to 12c on the outer peripheral surface of the isolator 5.
13c, and one terminal electrode 13c
A terminating resistor (not shown) is connected to c. In addition,
Without connecting this terminating resistor, the input / output terminal electrode 13
When c is connected to an external circuit, it functions as a circulator.
【００１８】上記第１〜第３ポート電極部６〜８の一端
部はそれぞれ上記アース電極１２ａ〜１２ｃに接続され
ており、他端部はそれぞれ上記入出力端子電極１３ａ〜
１３ｃに接続されている。One end of each of the first to third port electrode portions 6 to 8 is connected to the ground electrode 12a to 12c, and the other end is connected to the input / output terminal electrode 13a to 13a.
13c.
【００１９】上記アイソレータ５は、図示しない磁気閉
回路を構成する磁性体ヨーク内に収容されており、該ヨ
ーク内に配設された永久磁石により上記フェライト９，
１０の軸芯にバイアス用直流磁界を印加して構成されて
いる。The isolator 5 is housed in a magnetic yoke constituting a magnetic closed circuit (not shown), and the ferrite 9 and the ferrite 9 are provided by permanent magnets provided in the yoke.
A bias DC magnetic field is applied to the ten shaft cores.
【００２０】上記第１〜第３ポート電極部６〜８は、３
つの中心電極１４ａ〜１４ｃ，１５ａ〜１５ｃ，１６ａ
〜１６ｃをそれぞれ絶縁シート１７上にパターン形成
し、これを交互に積層するとともに互いに対向させて形
成されており、第２ポート電極部７を第１，第３ポート
電極部６，８で挟持した構造となっている。The first to third port electrode units 6 to 8 are
Center electrodes 14a to 14c, 15a to 15c, 16a
To 16c are respectively formed on the insulating sheet 17 by patterning, and are alternately laminated and formed so as to face each other. The second port electrode portion 7 is sandwiched between the first and third port electrode portions 6, 8. It has a structure.
【００２１】そして、図１及び図２に示すように、上記
第１ポート電極部６の外側に位置する中心電極１４ａは
第３ポート電極部８の下部外側に隣接して配置されてお
り、該第３ポート電極部８の外側に位置する中心電極１
６ｃは上記第１ポート電極部６の上部外側に隣接して配
置されている。上記第１ポート電極部６の中心電極１４
ａは上記中心電極１４ｂ，１４ｃとともに上記端子電極
１３ａ，アース電極１２ａに接続されており、また上記
第３ポート電極部８の中心電極１６ｃは中心電極１６
ａ，１６ｂとともに上記端子電極１３ｃ，アース電極１
２ｃに接続されている。As shown in FIGS. 1 and 2, the center electrode 14a located outside the first port electrode section 6 is disposed adjacent to and outside the lower portion of the third port electrode section 8. Center electrode 1 located outside third port electrode section 8
Reference numeral 6c is disposed adjacent to the upper outside of the first port electrode section 6. The center electrode 14 of the first port electrode section 6
a is connected to the terminal electrode 13a and the ground electrode 12a together with the center electrodes 14b and 14c, and the center electrode 16c of the third port electrode portion 8 is connected to the center electrode 16a.
a and 16b together with the terminal electrode 13c and the ground electrode 1
2c.
【００２２】また、上記中心電極１４ａと第３ポート電
極部８との間には絶縁シート１８が介設されており、か
つ上記中心電極１６ｃと第１ポート電極部６との間には
絶縁シート１８が介設されている。これにより上記各中
心電極１４ａ，１６ｃとポート電極部８，６との距離Ｔ
は、それぞれ中央部の中心電極間の距離ｔの略２倍とな
っている。An insulating sheet 18 is provided between the center electrode 14a and the third port electrode section 8, and an insulating sheet is provided between the center electrode 16c and the first port electrode section 6. 18 are interposed. As a result, the distance T between each of the center electrodes 14a, 16c and the port electrode portions 8, 6 is determined.
Are approximately twice the distance t between the center electrodes at the center.
【００２３】次に本実施例の作用効果について説明す
る。本実施例によれば、第１，第３ポート電極部６，８
の外側に位置する中心電極１４ａ，１６ｃを、それぞれ
反対側のポート電極部８，６の外側に隣接するよう差し
替えて配置し、かつ両者の距離Ｔを中央部の中心電極間
の距離ｔの略２倍と広くしたので、この両中心電極１４
ａ，１６ｃとこれに隣接する第３，第１ポート電極部
８，６とで充分な分布容量を得ることができ、これによ
り第２ポート電極部７とこれに隣合う第１，第３ポート
電極部６，８間の分布容量と同等の値が得られる。その
結果、各ポート電極部６〜８間の動作のバランスを改善
でき、Ｉ．Ｌ．特性，アイソレーション特性及びリター
ンロス特性を均一化でき、高性能化に対応できる。Next, the operation and effect of this embodiment will be described. According to the present embodiment, the first and third port electrode portions 6, 8
The center electrodes 14a and 16c located outside of the center electrode are replaced so as to be adjacent to the outside of the port electrode portions 8 and 6 on the opposite sides, respectively, and the distance T between them is substantially equal to the distance t between the center electrodes at the center. Since it is twice as large, both center electrodes 14
a, 16c and the third and first port electrode portions 8 and 6 adjacent thereto can obtain a sufficient distributed capacitance, whereby the second port electrode portion 7 and the first and third ports adjacent thereto can be obtained. A value equivalent to the distribution capacitance between the electrode portions 6 and 8 is obtained. As a result, it is possible to improve the balance of the operation between the port electrode units 6 to 8, and L. Characteristics, isolation characteristics, and return loss characteristics can be made uniform, and high performance can be achieved.
【００２４】また本実施例では、上記各ポート電極部６
〜８間の分布容量で中心電極部の整合容量をとることが
でき、かつ各中心電極１４ａ，１６ｃとフェライト９，
１０のアース板１１ａ，１１ｂとの間で分布容量をとる
ことができるので、上記フェライト９，１０内で整合容
量を得ることが可能となる。その結果、従来の別途付加
していた整合用回路素子を不要にでき、部品点数を削減
できる分だけ小型化，軽量化に対応でき、かつ低価格化
に貢献できる。なお、整合用回路素子と組み合わせて使
用しても良い。In this embodiment, each of the port electrode portions 6
-8, the matching capacity of the center electrode portion can be obtained, and the center electrodes 14a, 16c and the ferrite 9,
Since a distributed capacitance can be obtained between the ferrites 9 and 10, a distributed capacitance can be obtained between the ferrites 9 and 10. As a result, the conventional separately added matching circuit element can be dispensed with, so that the number of components can be reduced, so that the size and weight can be reduced and the price can be reduced. In addition, it may be used in combination with a matching circuit element.
【００２５】さらに本実施例では、各ポート電極部６〜
８の中心電極１４ａ〜１４ｃ，１５ａ〜１５ｃ，１６ａ
〜１６ｃを積層して多層構造としたので、中心電極のイ
ンダクタンスのＱを向上でき、それだけ挿入損失を小さ
くすることができる。さらにまた上記各中心電極，整合
容量等をフェライト中にコファイアする技術を用いるこ
ともでき、この場合は上述した各電気的特性をさらに向
上できる。Further, in this embodiment, each of the port electrode portions 6 to
8 center electrodes 14a to 14c, 15a to 15c, 16a
Since 16c is laminated to form a multilayer structure, the Q of the inductance of the center electrode can be improved, and the insertion loss can be reduced accordingly. Furthermore, a technique of cofiring the above-mentioned center electrodes, matching capacitors, and the like in ferrite can be used, and in this case, the above-described electric characteristics can be further improved.
【００２６】なお、上記実施例では、各ポート電極部を
３層の中心電極で構成したが、本発明はこれに限られる
ものではなく、２層又は４層以上の中心電極で構成して
もよい。In the above embodiment, each port electrode portion is constituted by three layers of center electrodes. However, the present invention is not limited to this, and may be constituted by two layers or four or more layers of center electrodes. Good.
【００２７】図４は、上記実施例の変形例を示し、図
中、図１と同一符号は同一又は相当部分を示す。この変
形例は、各ポート電極部６〜８を４層の中心電極で構成
した例であり、この場合も第１，第３ポート電極部６，
８の外側の中心電極をそれぞれ差し替えて配置すること
によって上記実施例と同様の効果が得られる。FIG. 4 shows a modification of the above embodiment, in which the same reference numerals as in FIG. 1 denote the same or corresponding parts. This modified example is an example in which each of the port electrode portions 6 to 8 is constituted by four layers of center electrodes. In this case, the first and third port electrode portions 6 are also provided.
The same effect as in the above embodiment can be obtained by arranging the center electrodes on the outside of each other outside 8.
【００２８】また、上記実施例では、アイソレータ５を
円板状とした場合を例にとったが、本発明は直方体状，
多角形状でもよく、特に限定するものではない。さらに
上記実施例では、アイソレータを例にとったが、本発明
はサーキュレータにも勿論適用でき、他のマイクロ波用
高周波部品にも適用できる。Further, in the above embodiment, the case where the isolator 5 is formed in a disk shape is taken as an example.
The shape may be polygonal, and is not particularly limited. Further, in the above embodiment, the isolator is taken as an example. However, the present invention is of course applicable to a circulator and also to other high frequency components for microwaves.
【００２９】[0029]
【発明の効果】以上のように本発明に係る非可逆回路素
子によれば、第１ポート電極部の外側に位置する中心電
極を第３ポート電極部の外側に隣接するよう配置し、該
第３ポート電極部の外側に位置する中心電極を上記第１
ポート電極部の外側に隣接するよう配置し、この差し替
え配置した両中心電極と上記第１，第３ポート電極部と
の距離を他の中心電極間距離より大きくしたので、各ポ
ート電極間の分布容量を同等にでき、電気的特性の高性
能化に対応できる効果があり、また整合用回路素子を不
要にして小型化，軽量化，及び低価格化に貢献できる効
果ある。As described above, according to the non-reciprocal circuit device of the present invention, the center electrode located outside the first port electrode portion is arranged so as to be adjacent to the outside of the third port electrode portion. The center electrode located outside the 3-port electrode section is connected to the first electrode.
Since the distance between the center electrode and the first and third port electrode portions is arranged to be adjacent to the outside of the port electrode portion and the distance between the two center electrodes and the first and third port electrode portions is larger than the distance between the other center electrodes, the distribution between the port electrodes is There is an effect that the capacitance can be made equal and the electric characteristics can be improved, and a matching circuit element is not required, which contributes to miniaturization, weight reduction, and cost reduction.
【図１】本発明に係る一実施例によるアイソレータを説
明するための断面図である。FIG. 1 is a cross-sectional view illustrating an isolator according to one embodiment of the present invention.
【図２】上記実施例の各中心電極の配置構造を示す分解
斜視図である。FIG. 2 is an exploded perspective view showing an arrangement structure of each center electrode of the embodiment.
【図３】上記実施例のアイソレータを示す斜視図であ
る。FIG. 3 is a perspective view showing the isolator of the embodiment.
【図４】上記実施例の変形例を示す断面図である。FIG. 4 is a sectional view showing a modification of the above embodiment.
【図５】一般的なアイソレータの基本等価回路を示す図
である。FIG. 5 is a diagram showing a basic equivalent circuit of a general isolator.
【図６】従来の中心電極の配置構造を示す分解斜視図で
ある。FIG. 6 is an exploded perspective view showing a conventional center electrode arrangement structure.
【図７】従来の中心電極部分の断面図である。FIG. 7 is a cross-sectional view of a conventional center electrode portion.
【図８】従来のその他の中心電極部分を示す断面図であ
る。FIG. 8 is a sectional view showing another conventional center electrode portion.
【図９】従来の中心電極の分解斜視図である。FIG. 9 is an exploded perspective view of a conventional center electrode.
５ アイソレータ（非可逆回路素子） ６〜８ 第１〜第３ポート電極部 ９，１０ フェライト １４ａ〜１４ｃ 第１ポート電極部の中心電極 １５ａ〜１５ｃ 第２ポート電極部の中心電極 １６ａ〜１６ｃ 第３ポート電極部の中心電極 Reference Signs List 5 Isolator (non-reciprocal circuit element) 6-8 First to third port electrode parts 9,10 Ferrite 14a to 14c Center electrode of first port electrode part 15a to 15c Center electrode of second port electrode part 16a to 16c Third Port electrode center electrode
フロントページの続き (56)参考文献 特開 平６−291514（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01P 1/383 H01P 1/36 Continuation of the front page (56) References JP-A-6-291514 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) H01P 1/383 H01P 1/36
Claims (1)
互に積層し、かつ中心電極同士を電気的に接続してなる
第１〜第３ポート電極部を所定角度ごとに交差させて配
置し、該各ポート電極部の交差部分にフェライトを当接
するとともに直流磁界を印加するようにした非可逆回路
素子において、上記第１ポート電極部の外側に位置する
中心電極を上記第３ポート電極部の外側に隣接するよう
配置し、該第３ポート電極部の外側に位置する中心電極
を上記第１ポート電極部の外側に隣接するよう配置し、
この差し替え配置した両中心電極と該中心電極に隣接す
る上記第１，第３ポート電極部との距離を他の中心電極
間距離より大きくしたことを特徴とする非可逆回路素
子。A plurality of center electrodes are alternately stacked with an insulating layer interposed therebetween, and first to third port electrode portions formed by electrically connecting the center electrodes are arranged to intersect at a predetermined angle. In a non-reciprocal circuit device in which a ferrite is brought into contact with an intersection of each of the port electrode portions and a DC magnetic field is applied, a center electrode located outside the first port electrode portion is connected to the third port electrode portion. And a center electrode positioned outside the third port electrode portion is positioned adjacent to the outside of the first port electrode portion,
A nonreciprocal circuit device, wherein the distance between the two center electrodes and the first and third port electrode portions adjacent to the center electrode is greater than the distance between the other center electrodes.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09101194A JP3178239B2 (en) | 1994-04-28 | 1994-04-28 | Non-reciprocal circuit device |
| KR1019950704076A KR960701491A (en) | 1994-04-28 | 1994-09-29 | Microwave irreversible circuit element |
| DE69428793T DE69428793T2 (en) | 1994-04-28 | 1994-09-29 | NON-RECIPROCIAL CIRCUIT ELEMENT FOR MICROWAVES |
| EP94927809A EP0707353B1 (en) | 1994-04-28 | 1994-09-29 | Non-reciprocal circuit element for microwave |
| CN94191665A CN1038543C (en) | 1994-04-28 | 1994-09-29 | Non-reciprocal circuit element for microwave |
| PCT/JP1994/001623 WO1995030252A1 (en) | 1994-04-28 | 1994-09-29 | Non-reciprocal circuit element for microwave |
| US08/755,148 US5774024A (en) | 1993-04-02 | 1996-11-25 | Microwave non-reciprocal circuit element |
| KR1019997003647A KR100310729B1 (en) | 1994-04-28 | 1999-04-26 | Microwave non-reciprocal circuit element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09101194A JP3178239B2 (en) | 1994-04-28 | 1994-04-28 | Non-reciprocal circuit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07297607A JPH07297607A (en) | 1995-11-10 |
| JP3178239B2 true JP3178239B2 (en) | 2001-06-18 |
Family
ID=14014602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09101194A Expired - Fee Related JP3178239B2 (en) | 1993-04-02 | 1994-04-28 | Non-reciprocal circuit device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0707353B1 (en) |
| JP (1) | JP3178239B2 (en) |
| KR (2) | KR960701491A (en) |
| CN (1) | CN1038543C (en) |
| DE (1) | DE69428793T2 (en) |
| WO (1) | WO1995030252A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69621567T2 (en) * | 1995-11-27 | 2002-10-31 | Murata Mfg. Co., Ltd. | Non-reciprocal circuit element |
| JP3077057B2 (en) * | 1997-01-14 | 2000-08-14 | 株式会社村田製作所 | Non-reciprocal circuit device |
| JP3412588B2 (en) * | 1999-12-17 | 2003-06-03 | 株式会社村田製作所 | Non-reciprocal circuit device and communication device |
| JP4517326B2 (en) * | 2000-03-27 | 2010-08-04 | 日立金属株式会社 | Non-reciprocal circuit device and wireless communication device using the same |
| CN116454577A (en) * | 2023-04-07 | 2023-07-18 | 大连麻利那电子有限公司 | Processing technology of circulator center conductor and circulator center conductor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030121B2 (en) * | 1980-07-09 | 1985-07-15 | 日立金属株式会社 | Lumped circulators and isolators |
| JPS5761314A (en) * | 1980-09-05 | 1982-04-13 | Hitachi Metals Ltd | Lumped constant type circulator and isolator |
| FR2659499B1 (en) * | 1990-03-09 | 1992-11-27 | Tekelec Airtronic Sa | SYSTEM FOR TRANSMITTING ELECTRICAL ENERGY, MICROWAVE, WITH GYROMAGNETIC EFFECT, SUCH AS A CIRCULATOR, ISOLATOR OR FILTER. |
| JPH0434520A (en) * | 1990-05-31 | 1992-02-05 | Victor Co Of Japan Ltd | Recording medium and recorder |
| JP3121829B2 (en) * | 1990-11-06 | 2001-01-09 | ティーディーケイ株式会社 | Non-reciprocal circuit device capacitor and non-reciprocal circuit device |
| JP3230586B2 (en) * | 1991-05-22 | 2001-11-19 | ティーディーケイ株式会社 | Central conductor for non-reciprocal circuit device and non-reciprocal circuit device |
| JP3230588B2 (en) * | 1991-07-15 | 2001-11-19 | ティーディーケイ株式会社 | Non-reciprocal circuit device |
| JP3211841B2 (en) * | 1992-04-17 | 2001-09-25 | 株式会社村田製作所 | Non-reciprocal circuit device and method of manufacturing the same |
| JP3213921B2 (en) * | 1992-04-25 | 2001-10-02 | 株式会社村田製作所 | Non-reciprocal circuit device |
| JPH06291514A (en) * | 1993-04-02 | 1994-10-18 | Murata Mfg Co Ltd | Irreversible circuit element for microwave |
-
1994
- 1994-04-28 JP JP09101194A patent/JP3178239B2/en not_active Expired - Fee Related
- 1994-09-29 KR KR1019950704076A patent/KR960701491A/en active Application Filing
- 1994-09-29 EP EP94927809A patent/EP0707353B1/en not_active Expired - Lifetime
- 1994-09-29 WO PCT/JP1994/001623 patent/WO1995030252A1/en active IP Right Grant
- 1994-09-29 DE DE69428793T patent/DE69428793T2/en not_active Expired - Lifetime
- 1994-09-29 CN CN94191665A patent/CN1038543C/en not_active Expired - Fee Related
-
1999
- 1999-04-26 KR KR1019997003647A patent/KR100310729B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0707353A4 (en) | 1996-09-04 |
| KR100310729B1 (en) | 2001-10-18 |
| EP0707353B1 (en) | 2001-10-24 |
| CN1120375A (en) | 1996-04-10 |
| EP0707353A1 (en) | 1996-04-17 |
| CN1038543C (en) | 1998-05-27 |
| DE69428793T2 (en) | 2002-05-23 |
| DE69428793D1 (en) | 2001-11-29 |
| WO1995030252A1 (en) | 1995-11-09 |
| KR960701491A (en) | 1996-02-24 |
| JPH07297607A (en) | 1995-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3348669B2 (en) | Non-reciprocal circuit device | |
| JPH09232818A (en) | Irreversible circuit component | |
| JP3264193B2 (en) | Non-reciprocal circuit device | |
| WO1999030382A1 (en) | Irreversible circuit element | |
| JP3178239B2 (en) | Non-reciprocal circuit device | |
| KR100862962B1 (en) | Two-port isolator and method for evaluting it | |
| JP3106392B2 (en) | Non-reciprocal circuit device | |
| US20030011439A1 (en) | Nonreciprocal circuit device and communication apparatus | |
| US5638032A (en) | Nonreciprocal circuit element | |
| EP1087459B1 (en) | Nonreciprocal circuit device and communication apparatus incorporating same | |
| JP3164029B2 (en) | Non-reciprocal circuit device | |
| JP3891437B2 (en) | Three-terminal pair irreversible element and communication device using the same | |
| JP3077057B2 (en) | Non-reciprocal circuit device | |
| JP3331702B2 (en) | Non-reciprocal circuit device | |
| WO2016021352A1 (en) | Non-reciprocal circuit element | |
| JP3331701B2 (en) | Non-reciprocal circuit device | |
| JPH09270607A (en) | Irreversible circuit element | |
| JP3267010B2 (en) | Non-reciprocal circuit device | |
| JP3303871B2 (en) | Non-reciprocal circuit device | |
| JP3579328B2 (en) | Non-reciprocal circuit device for VHF band and private wireless communication device | |
| JPH1013109A (en) | Centralized constant-type circulator | |
| JP2003046306A (en) | Nonreversible circuit element and radio terminal equipment | |
| JP2004336298A (en) | Isolator and communication apparatus | |
| JPH11298206A (en) | Irreversible circuit element | |
| JP2003234605A (en) | Non-reciprocal circuit element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20010313 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090413 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090413 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100413 Year of fee payment: 9 |
|
| LAPS | Cancellation because of no payment of annual fees |