JPH036104A - Waveguide/microstrip line converter - Google Patents

Waveguide/microstrip line converter

Info

Publication number
JPH036104A
JPH036104A JP14046089A JP14046089A JPH036104A JP H036104 A JPH036104 A JP H036104A JP 14046089 A JP14046089 A JP 14046089A JP 14046089 A JP14046089 A JP 14046089A JP H036104 A JPH036104 A JP H036104A
Authority
JP
Japan
Prior art keywords
waveguide
antenna
microstrip line
line
strip line
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
Application number
JP14046089A
Other languages
Japanese (ja)
Inventor
Haruyoshi Endo
遠藤 晴良
Mitsuo Makimoto
三夫 牧本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14046089A priority Critical patent/JPH036104A/en
Publication of JPH036104A publication Critical patent/JPH036104A/en
Pending legal-status Critical Current

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  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

PURPOSE:To miniaturize a device and to reduce a cost by connecting the back plane of an antenna comprising of a strip line connected to a microstrip line to the end face of a waveguide, and performing electric field coupling with the waveguide by providing a short plate at a prescribed part. CONSTITUTION:A signal of microwave and millimeter wave zone inputted from the waveguide 1 is inputted from the back plane of a dielectric substrate 8 to a strip line antenna 6 connected to the microstrip line 7 provided at the end face of the waveguide and intersected orthogonally to the waveguide 1, and is electrical field-coupled, then, is converted. Meanwhile, the signal of microwave and millimeter wave zone is reflected on the short plate 4, and is electrical field-coupled with the strip line antenna 6, then, is converted.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、マイクロ波・ミリ波帯で使用される、導波管
からマイクロストリップ線路への変換を行なう導波管・
マイクロストリップ線路変換器に関するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a waveguide/microstrip line used in the microwave/millimeter wave band for converting a waveguide to a microstrip line.
The present invention relates to a microstrip line converter.

従来の技術 マイクロ波・ミリ波帯で、導波管とマイクロストリップ
線路を変換する場合は、導波管と同軸変換器、同軸とマ
イクロストリップ変換を必要としていた。つまり導波管
とマイクロストリップ線路への変換は、導波管と同軸変
換器同軸端子とマイクロストリップ線路で構成した回路
に取付けた同軸コネクタを介して接続していた。
Conventional technology When converting between a waveguide and a microstrip line in the microwave/millimeter wave band, a waveguide and coaxial converter and a coaxial and microstrip converter were required. In other words, the conversion between a waveguide and a microstrip line was achieved through a coaxial connector attached to a circuit consisting of the waveguide, coaxial converter coaxial terminal, and microstrip line.

従来の導波管と同軸変換器は第2図(a)、(b)の側
面及び平面図に示すように、導波管1の内部に金属棒で
製作したアンテナ2と、アンテナ2に接続された同軸コ
ネクタ3および、所用の周波数に応じて整合をとるため
にアンテナ2の後方にはショート板4が付いており、導
波管1内の電界をアンテナ2に伝搬し、同軸コネクタ3
へ、また同軸コネクタ3より入力された信号はアンテナ
2に供給され、導波管1に垂直偏波として変換される。
A conventional waveguide and coaxial converter has an antenna 2 made of a metal rod inside a waveguide 1 and a connection to the antenna 2, as shown in the side and plan views of FIGS. 2(a) and 2(b). A short plate 4 is attached to the rear of the antenna 2 to achieve matching according to the coaxial connector 3 and the required frequency, and propagates the electric field in the waveguide 1 to the antenna 2.
A signal input from the coaxial connector 3 is supplied to the antenna 2, and is converted to the waveguide 1 as a vertically polarized wave.

発明が解決しようとする課題 しかし、上記のように従来の導波管とマイクロストリッ
プ変換する場合は、導波管−同軸変換、同軸−マイク、
ロス) IJツブ変換と2回変換しなくてはならなかっ
た。また同軸コネクタを使用して接続していたため、形
状が大きくなるとともに、コスト高となる欠点があった
Problems to be Solved by the Invention However, when converting a conventional waveguide to a microstrip as described above, waveguide-to-coaxial conversion, coaxial-to-microphone conversion,
Ross) I had to convert it twice, including the IJ tube conversion. Furthermore, since the connection was made using a coaxial connector, the size was large and the cost was high.

本発明の目的は以上のような欠点を排除し、小形で安価
な導波管・マイクロストリップ線路変換器を提供するこ
とである。
An object of the present invention is to eliminate the above-mentioned drawbacks and provide a small and inexpensive waveguide/microstrip line converter.

課題を解決するための手段 上記目的を達成するため、本発明の技術的解決手段は導
波管の端面にマイクロストリップ線路と接続されたス)
 IJツブ線路で構成したアンテナの裏面と接続し、そ
のアンテナのパターン面に約%波長離れた所にショート
板を設は導波管と電界結合させ、導波管・マイクロス)
 IJツブ線路変換器を構成したものである。
Means for Solving the Problems In order to achieve the above object, the technical solution of the present invention is to provide a microstrip line connected to the end face of the waveguide.
It is connected to the back side of the antenna composed of IJ tube line, and a short plate is installed on the pattern side of the antenna at a distance of about % wavelength to create electric field coupling with the waveguide (waveguide/micros).
This is an IJ tube line converter.

作用 本発明は、導波管とマイクロストリップ線路を、同軸線
路に変換することなく、マイクロストリップ線路の延長
線路上にストリップ線路で構成したアンテナの裏面と直
交させて導波管の端面と接続することにより、導波管と
マイクロストリシブ線路の変換を直接性なうことができ
るとともに、このように導波管の裏面よりストIJ ノ
ブ線路で構成したアンテナとを結合させるため、導波管
とマイクロストリップ線路で構成するマイクロ波回路の
分離ができることから、マイクロ波回路の気密構造が容
易に実現でき、たとえばこのマイクロストリップ線路・
導波管変換器を直接パラボラアンテナに接続する場合に
は、防水構造が容易に実現できるO 実施例 本発明の一実施例を第1図を参照しながら説明する。第
1図(a)は本発明の一実施例における導波管・マイク
ロストリップ線路変換器の部分正面図、第1図(b3は
同図(a)のA −A’線断面図、第1図(c)は部分
裏面図である。1は導波管、4はショート板、6はスト
リップ線路アンテナ、7はストリップ線路で、ストリッ
プ線路アンテナ6に接続されている。つまりアンテナ部
は、誘電体基板8の裏面導体が削除されて、ストリップ
線路アンテナ6が、導波管1の8面中央に配置されてい
る。またマイクロストリップ線路7およびストリップ線
路アンテナ6は、誘電体基板8上にある。また導波管1
は筐体9に設けられ、導波管接続用フランジを兼ねてい
る。
Function The present invention connects the waveguide and the microstrip line to the end face of the waveguide on the extended line of the microstrip line, orthogonally to the back side of the antenna composed of the strip line, without converting the line to a coaxial line. By doing so, it is possible to directly convert the waveguide and the microstrive line, and in order to couple the antenna composed of the strike IJ knob line from the back side of the waveguide, it is possible to Since microwave circuits composed of microstrip lines can be separated, airtight structures of microwave circuits can be easily realized.
When a waveguide converter is directly connected to a parabolic antenna, a waterproof structure can be easily achieved. Embodiment An embodiment of the present invention will be described with reference to FIG. 1. FIG. 1(a) is a partial front view of a waveguide/microstrip line converter according to an embodiment of the present invention, FIG. Figure (c) is a partial back view. 1 is a waveguide, 4 is a short plate, 6 is a strip line antenna, and 7 is a strip line, which is connected to the strip line antenna 6. In other words, the antenna part is a dielectric The back conductor of the body substrate 8 is removed, and the strip line antenna 6 is placed at the center of the eight sides of the waveguide 1. Furthermore, the microstrip line 7 and the strip line antenna 6 are placed on the dielectric substrate 8. .Also, waveguide 1
is provided on the housing 9 and also serves as a flange for connecting the waveguide.

導波管1より入力されたマイクロ波・ミリ波帯の信号は
導波管端面に設けられたマイクロストリップ線路7に接
続された、導波管1と直交するストリップ線路アンテナ
6に、誘電体基板8の裏面より入力され電界結合して変
換される。一方、導波管1から入力されたマイクロ波・
ミリ波帯の信号は、ショート板4によって反射し、スト
リップ線路アンテナeに電界結合して変換される。なお
、誘電体基板8は裏面を導電性接着剤等により筐体9に
接合されている。
Microwave/millimeter wave band signals inputted from the waveguide 1 are sent to a strip line antenna 6 perpendicular to the waveguide 1, which is connected to a microstrip line 7 provided on the end face of the waveguide, and then transferred to a dielectric substrate. It is inputted from the back side of 8 and converted by electric field coupling. On the other hand, the microwave input from waveguide 1
The signal in the millimeter wave band is reflected by the short plate 4, electrically coupled to the strip line antenna e, and converted. Note that the back surface of the dielectric substrate 8 is bonded to the casing 9 with a conductive adhesive or the like.

以上のように、同軸線路あるいは、同軸コネクタ等が不
要な、小形でしかも安価な導波管・マイクロストリップ
線路変換器が実現できる。また、導波管は、マイクロス
トリップ線路の裏面と直交して接続されるため導波管内
と、マイクロストリップ線路で構成する回路部分との分
離が容易にでき、マイクロ波回路の気密構造が容易とな
る。
As described above, it is possible to realize a small and inexpensive waveguide/microstrip line converter that does not require a coaxial line or a coaxial connector. In addition, since the waveguide is connected orthogonally to the back surface of the microstrip line, it is easy to separate the inside of the waveguide from the circuit section made up of the microstrip line, making it easy to create an airtight structure for the microwave circuit. Become.

発明の効果 以上のように本発明の効果は、導波管からストリップ線
路アンテナを介して直接マイクロストリップ線路への変
換ができ、従来のように同軸コネクタ等を必要としない
ため、小形でしかも安価な導波管・マイクロス) IJ
ツブ線路変換器が実現できる。また本発明の構成によれ
ば、導波管と、マイクロストリップ線路で構成する回路
の気密構造を容易に実施できる等の効果がある。
Effects of the Invention As described above, the effects of the present invention are that it is possible to directly convert a waveguide to a microstrip line via a strip line antenna, and does not require a coaxial connector, etc. as in the conventional case, so it is small and inexpensive. waveguide/micros) IJ
A tube line converter can be realized. Further, according to the configuration of the present invention, it is possible to easily implement an airtight structure of a circuit constituted by a waveguide and a microstrip line.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図(a)、(b)、(c)は本発明の一実施例を示
す導波管・マイクロス) IJツブ線路変換器の部分正
面図、A −A’線断面図、部分裏面図、第2図(a)
、(b)は従来の導波管・同軸変換器の側面図、平面図
である。 4・・・ショート板、e・・・ストリップ線路アンテナ
、7・・・マイクロス) IJツブ線路、8・・・誘電
体基板、9・・・筐体。
FIGS. 1(a), (b), and (c) show a waveguide/microwave according to an embodiment of the present invention. Partial front view, A-A' line sectional view, and partial back side of an IJ tube line converter. Figure, Figure 2(a)
, (b) are a side view and a plan view of a conventional waveguide/coaxial converter. 4... Short board, e... Strip line antenna, 7... Micros) IJ tube line, 8... Dielectric substrate, 9... Housing.

Claims (1)

【特許請求の範囲】[Claims]  導波管の端面に導波路をさえぎるように、ストリップ
線路で構成したアンテナを有する誘電体基板のアンテナ
パターン面の裏面と、導波管の偏波面とを合わせるとと
もに、前記ストリップ線路で構成したアンテナパターン
面側に、導波管入力端整合用ショート板を設け、導波管
入力端の整合を取る導波管・マイクロストリップ線路変
換器。
Align the polarization plane of the waveguide with the back side of the antenna pattern surface of a dielectric substrate having an antenna formed of a strip line so as to block the waveguide on the end face of the waveguide, and provide an antenna formed of the strip line. A waveguide/microstrip line converter that has a short plate for matching the waveguide input end on the pattern side to match the waveguide input end.
JP14046089A 1989-06-01 1989-06-01 Waveguide/microstrip line converter Pending JPH036104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14046089A JPH036104A (en) 1989-06-01 1989-06-01 Waveguide/microstrip line converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14046089A JPH036104A (en) 1989-06-01 1989-06-01 Waveguide/microstrip line converter

Publications (1)

Publication Number Publication Date
JPH036104A true JPH036104A (en) 1991-01-11

Family

ID=15269114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14046089A Pending JPH036104A (en) 1989-06-01 1989-06-01 Waveguide/microstrip line converter

Country Status (1)

Country Link
JP (1) JPH036104A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0590808A (en) * 1991-09-27 1993-04-09 Sharp Corp Structure of waveguide input part
US5598258A (en) * 1994-05-16 1997-01-28 Tohoku Ricoh Co., Ltd. Image forming apparatus with interconnected sorters and control device therefor
US5690324A (en) * 1994-12-14 1997-11-25 Tohoku Ricoh Co., Ltd. Sorter for a stencil printer and paper transport speed control device for sorter
US6244594B1 (en) 1998-03-02 2001-06-12 Tohoku Ricoh Co., Ltd. Apparatus for storing sheets driven out of an image forming apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0590808A (en) * 1991-09-27 1993-04-09 Sharp Corp Structure of waveguide input part
US5598258A (en) * 1994-05-16 1997-01-28 Tohoku Ricoh Co., Ltd. Image forming apparatus with interconnected sorters and control device therefor
US5690324A (en) * 1994-12-14 1997-11-25 Tohoku Ricoh Co., Ltd. Sorter for a stencil printer and paper transport speed control device for sorter
US6244594B1 (en) 1998-03-02 2001-06-12 Tohoku Ricoh Co., Ltd. Apparatus for storing sheets driven out of an image forming apparatus

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