JPS61214602A - Circulator - Google Patents
CirculatorInfo
- Publication number
- JPS61214602A JPS61214602A JP5478885A JP5478885A JPS61214602A JP S61214602 A JPS61214602 A JP S61214602A JP 5478885 A JP5478885 A JP 5478885A JP 5478885 A JP5478885 A JP 5478885A JP S61214602 A JPS61214602 A JP S61214602A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- film circuit
- conductor
- substrate
- ferrite substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
Landscapes
- Non-Reversible Transmitting Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（技術分野）
本発明はサーキュレータに関し、特に、高周波回路の動
作を安定化させるための非可逆素子であるアイソレータ
にも使用できる、小型・軽量化したサーキュレータに関
する。DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to a circulator, and particularly to a small and lightweight circulator that can also be used as an isolator, which is a non-reciprocal element for stabilizing the operation of a high frequency circuit.
（従来技術）
従来のサーキュレータを第２図に示す。図において、１
はフェライト等の７工リ磁性体基板、２はフェリ磁性体
基板１上に蒸着・エツチングにより設けられた薄膜スト
リップ線路、３はフェリ磁性体基板１の裏面に蒸着によ
り設けられた薄膜接地導体、４はマグネットを示す。こ
のように、フェライト基板上へストリップ線路および接
地導体を蒸着して形成する例では、フェライト基板が入
出力線路の一部として利用でき、マグネットもフェライ
ト基板の片面へ１個使用するだけですむので、小型・軽
量化がはかれる。しかしながら、フェライト基板の誘電
体損失はセラミック基板に比べて大きいこと、およびフ
ェライト基板の比較的に面粗さが良くない表面に直接に
ス） ＩＪツブ線路が蒸着形成されていることによシ、
サーキュレータとして動作させた場合に入出力端子間の
順方向挿入損失が劣化するという欠点があった。(Prior Art) A conventional circulator is shown in FIG. In the figure, 1
2 is a thin film strip line provided on the ferrimagnetic substrate 1 by vapor deposition and etching; 3 is a thin film ground conductor provided on the back surface of the ferrimagnetic substrate 1 by vapor deposition; 4 indicates a magnet. In this example, in which the strip line and ground conductor are formed by vapor deposition on a ferrite substrate, the ferrite substrate can be used as part of the input/output line, and only one magnet is needed on one side of the ferrite substrate. , it can be made smaller and lighter. However, the dielectric loss of the ferrite substrate is larger than that of the ceramic substrate, and the IJ tube line is formed by vapor deposition directly on the surface of the ferrite substrate, which has relatively poor surface roughness.
When operated as a circulator, the forward insertion loss between the input and output terminals deteriorates.
また、フェライト基板の厚みが使用周波数に関連するの
で、サーキュレータの入出力端子の高さが標準化できな
くなシ、隣接してサーキュレータに接続されるモジュー
ルとのインピーダンス整合を最適化することが困難であ
るという欠点もあった。In addition, since the thickness of the ferrite substrate is related to the operating frequency, it becomes impossible to standardize the height of the circulator's input/output terminals, and it is difficult to optimize impedance matching with adjacent modules connected to the circulator. There was also a drawback.
（発明の目的）
本発明は、上記従来のサーキュレータの欠点にかんがみ
なされたもので、線路部分での伝送損失を低減し、隣接
モジュールとのインターフェイスを容易にとることので
きるサーキュレータを提供することを目的とする。(Object of the Invention) The present invention has been made in view of the drawbacks of the conventional circulators described above, and an object of the present invention is to provide a circulator that can reduce transmission loss in the line portion and easily interface with adjacent modules. purpose.
（発明の構成）
上記目的を達成するため、本発明のサーキュレータは、
入出力接続用のストリップラインを一表面に設けた第１
の薄膜回路基板と、信号伝送用の薄膜中心導体を一表面
に設けた第２の薄膜回路基板と、フェライト基板と、接
地導体とを含むように構成されている。(Structure of the Invention) In order to achieve the above object, the circulator of the present invention has the following features:
The first section has a strip line for input/output connections on one surface.
The device is configured to include a thin film circuit board, a second thin film circuit board having a thin film center conductor for signal transmission on one surface, a ferrite substrate, and a ground conductor.
上記第１の薄膜回路基板に設けた貫通孔に上記フェライ
ト基板を装着し、上記薄膜中心導体が上記フェライト基
板表面に密着するように上記第２の薄膜回路基板を配置
し、上記ストリップラインと上記薄膜中心導体とを導体
リボンで接続し、上記第１の薄膜回路基板および上記フ
ェライト基板の裏面側に上記接地導体を配置することを
特徴としている。The ferrite substrate is mounted in the through hole provided in the first thin film circuit board, the second thin film circuit board is arranged so that the thin film center conductor is in close contact with the surface of the ferrite substrate, and the strip line and the The thin film center conductor is connected to the thin film center conductor by a conductive ribbon, and the ground conductor is arranged on the back side of the first thin film circuit board and the ferrite substrate.
なお、本発明のサーキュレータはそのままアイソレータ
に適用することができる。Note that the circulator of the present invention can be applied as is to an isolator.
（実施例）
以下、本発明の実施例について図面を参照して説明する
。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図は本発明によるサーキュレータの一実施例を示し
、第１図（ａ）はその上面図、第１図（ｂ）はその側面
図である。図において、５は第１の薄膜回路基板、６は
セラミック基板等の第１の薄膜回路基板５の上に設けら
れた薄膜ス） ＩＪツブ線路、Ｔは第１の薄膜回路基板
５の中央部に設けられた穴へ収納されたフェライト円板
、８はフェライト円板Ｔの上へ配置されたセラミック基
板等の第２の薄膜回路基板、９は第２の薄膜回路基板８
に設けられたＹ接合部の薄膜ス） ＩＪツブ線路、１ｏ
は接地導体、１１はマグネット、１２け第１の薄膜回路
基板６と薄膜ス） ＩＪツブ線路９とを相互に接続する
リボンである。FIG. 1 shows an embodiment of a circulator according to the present invention, with FIG. 1(a) being a top view thereof and FIG. 1(b) being a side view thereof. In the figure, 5 is a first thin film circuit board, 6 is a thin film IJ tube line provided on the first thin film circuit board 5 such as a ceramic substrate, and T is the center part of the first thin film circuit board 5. 8 is a second thin film circuit board such as a ceramic substrate placed on the ferrite disc T; 9 is a second thin film circuit board 8;
Thin film of Y-junction provided in ) IJ tube line, 1o
11 is a ground conductor, 11 is a magnet, and 12 is a ribbon that interconnects the first thin film circuit board 6 and the thin film IJ tube line 9.
図から明らかなように、入出力の接続用ストリップ線路
、およびＹ接合部の中心導体を各々別の薄膜回路基板上
に設けており、フェライト基板上へは蒸着薄膜を設けて
おらず、これら別々の薄膜回路基板とフェライト基板は
機械的に分割されているもので、それらを組合せてサー
キュレータを構成している。As is clear from the figure, the input/output connection strip line and the center conductor of the Y junction are each provided on separate thin film circuit boards, and no vapor deposited thin film is provided on the ferrite substrate. The thin film circuit board and ferrite board are mechanically separated and are combined to form a circulator.
したがって、伝送路のＱｏを向上することができて線路
部分での伝送損失を低減することができる。Therefore, the Qo of the transmission line can be improved and transmission loss in the line portion can be reduced.
また、Ｙ接合部の導体は第２の薄膜回路基板８上に設け
られ、その蒸着面がフェライト基板Ｔに対向するように
配置されているので、フェライトの面粗度による劣化を
防止できる。その結果、伝送損失を更に低減することが
できる。In addition, since the conductor of the Y-junction is provided on the second thin film circuit board 8, and its vapor deposition surface is arranged to face the ferrite substrate T, deterioration due to the surface roughness of the ferrite can be prevented. As a result, transmission loss can be further reduced.
さらに、第１の薄膜回路基板５の厚みを標準化できるの
で、入出力端子へ接続される隣接モジュールとのインタ
ーフェイスを容易にとることもできる。サーキュレータ
の使用周波数に依って７エライト基板７の厚みが変化し
ても、フェライト基板Ｔの設計変更のみですむのでコス
トの低減もはかれる。Furthermore, since the thickness of the first thin film circuit board 5 can be standardized, it is also possible to easily interface with adjacent modules connected to input/output terminals. Even if the thickness of the 7-elite substrate 7 changes depending on the operating frequency of the circulator, only the design of the ferrite substrate T needs to be changed, so that costs can be reduced.
（発明の効果）
本発明は以上のように構成されているので、伝送損失の
低減がはかられ、隣接子ジュールとのインターフェイス
を容易にとることができ、コストの低減もできる。(Effects of the Invention) Since the present invention is configured as described above, transmission loss can be reduced, interfaces with adjacent child modules can be easily established, and costs can also be reduced.
第１図は本発明によるサーキュレータの一実施例を示し
、第１図（ａ）はその上面図、第１図中）はその側面図
である。第２図は従来のサーキュレータを示し、第２図
（ａ）はその上面図、第２図０）はその側面図である。
５・・・第１の薄膜回路基板
８・・・第２の薄膜回路基板
７・・・フェライト基板
１０・・・接地導体FIG. 1 shows an embodiment of a circulator according to the present invention, FIG. 1(a) is a top view thereof, and FIG. 1(a) is a side view thereof. FIG. 2 shows a conventional circulator, FIG. 2(a) is a top view thereof, and FIG. 2(0) is a side view thereof. 5... First thin film circuit board 8... Second thin film circuit board 7... Ferrite substrate 10... Ground conductor
Claims (1)
の薄膜回路基板と、信号伝送用の薄膜中心導体を一表面
に設けた第２の薄膜回路基板と、フェライト基板と、接
地導体とを含み、上記第１の薄膜回路基板に設けた貫通
孔に上記フェライト基板を装着し、上記薄膜中心導体が
上記フェライト基板表面に密着するように上記第２の薄
膜回路基板を配置し、上記ストリップラインと上記薄膜
中心導体とを導体リボンで接続し、上記第１の薄膜回路
基板および上記フェライト基板の裏面側に上記接地導体
を配置するようにしたことを特徴とするサーキュレータ
。The first section has a strip line for input/output connections on one surface.
a second thin film circuit board having a thin film center conductor for signal transmission on one surface thereof, a ferrite substrate, and a ground conductor, and a through hole provided in the first thin film circuit board. The ferrite substrate is mounted, the second thin film circuit board is arranged so that the thin film center conductor is in close contact with the surface of the ferrite substrate, the strip line and the thin film center conductor are connected with a conductor ribbon, and the thin film center conductor is connected with a conductor ribbon. A circulator characterized in that the ground conductor is arranged on the back side of the thin film circuit board No. 1 and the ferrite substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5478885A JPS61214602A (en) | 1985-03-19 | 1985-03-19 | Circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5478885A JPS61214602A (en) | 1985-03-19 | 1985-03-19 | Circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61214602A true JPS61214602A (en) | 1986-09-24 |
Family
ID=12980494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5478885A Pending JPS61214602A (en) | 1985-03-19 | 1985-03-19 | Circulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61214602A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007259265A (en) * | 2006-03-24 | 2007-10-04 | Tdk Corp | Nonreciprocal circuit element and communication apparatus employing same |
-
1985
- 1985-03-19 JP JP5478885A patent/JPS61214602A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007259265A (en) * | 2006-03-24 | 2007-10-04 | Tdk Corp | Nonreciprocal circuit element and communication apparatus employing same |
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