JP3191024B2 - Matching device - Google Patents
Matching deviceInfo
- Publication number
- JP3191024B2 JP3191024B2 JP32906992A JP32906992A JP3191024B2 JP 3191024 B2 JP3191024 B2 JP 3191024B2 JP 32906992 A JP32906992 A JP 32906992A JP 32906992 A JP32906992 A JP 32906992A JP 3191024 B2 JP3191024 B2 JP 3191024B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- waveguide
- matching device
- fet
- present
- 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
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、方形導波管においてマ
イクロ波帯でＦＥＴを使用した増幅器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an amplifier using an FET in a microwave band in a rectangular waveguide.
【０００２】[0002]
【従来の技術】一般にＦＥＴ増幅器のＦＥＴ出力側に
は、出力波形に生じたリップルを除去するために、同軸
導波管変換器を経た方形導波管と付加の間に、整合器を
設けている。2. Description of the Related Art Generally, on the FET output side of an FET amplifier, a matching device is provided between a square waveguide passing through a coaxial waveguide converter and an addition to remove a ripple generated in an output waveform. I have.
【０００３】従来の整合器の一例を図３に示す。FIG. 3 shows an example of a conventional matching device.
【０００４】１は本体である方形導波管、導波管の広幅
面の中心に電波伝搬方向に沿って、３個の金属製調整ビ
ス２がそれぞれ間隔Ｌで設けられており、ナット４によ
りそれを固定することができる。[0004] Reference numeral 1 denotes a rectangular waveguide as a main body, and three metal adjusting screws 2 are provided at intervals L in the center of the wide surface of the waveguide along the radio wave propagation direction. You can fix it.
【０００５】６はＦＥＴ増幅器出力部で、ＦＥＴ９か
ら、マイクロストリップ線路８および同軸導波管変換器
７を介して、本体（方形導波管）１に接続される。１０
は次段の負荷の導波管である。Reference numeral 6 denotes an FET amplifier output section, which is connected to the main body (square waveguide) 1 from the FET 9 via the microstrip line 8 and the coaxial waveguide converter 7. 10
Is a waveguide of the next stage load.
【０００６】[0006]
【発明が解決しようとする課題】従来の整合器では金属
製ビスによる電圧定在波比（ＶＳＷＲ）の調整しかマッ
チングをとる手段がなかった。調整ビスを任意の箇所に
設ける事は不可能なので、リップルをなくすための調整
が不完全であった。In the conventional matching device, there is no means for matching only by adjusting the voltage standing wave ratio (VSWR) by using metal screws. Since it is impossible to provide an adjusting screw at an arbitrary position, the adjustment for eliminating the ripple is incomplete.
【０００７】本発明の目的は、以上の欠点を解消するた
めに電気長（位相量）を調整できる誘電体ビスを提供す
る事にある。It is an object of the present invention to provide a dielectric screw whose electric length (phase amount) can be adjusted in order to solve the above-mentioned drawbacks.
【０００８】[0008]
【課題を解決するための手段】本発明の整合器は、ＦＥ
Ｔ増幅器出力側における同軸導波管変換器と負荷との間
の方形導波管において、方形導波管部の広幅面に、電波
伝搬方向に沿って導波管内部に突き出すように設けた複
数個の調整ネジを備え、このネジは内外両側の一方の金
属ビスと他方の円筒状誘電体ビスとの二重構造になって
おり、導波管内に突出する個々のビスの先端部の長さを
変化調整可能にすることにより構成される。SUMMARY OF THE INVENTION The matching device of the present invention has a FE.
In the rectangular waveguide between the coaxial waveguide converter and the load at the output side of the T amplifier, a plurality of rectangular waveguides are provided on the wide surface of the rectangular waveguide portion so as to protrude into the waveguide along the radio wave propagation direction. This screw has a double structure consisting of one metal screw on the inside and outside and one cylindrical screw on the other side, and the length of the tip of each screw protruding into the waveguide is provided. Is made to be changeable.
【０００９】このようにすることで、金属ビスにより電
圧定在波比調整、誘電体ビスにより電気長（位相量）の
調整を、同一箇所にて任意に調整、かつ固定することが
出来る。By doing so, it is possible to arbitrarily adjust and fix the voltage standing wave ratio adjustment by the metal screw and the electric length (phase amount) by the dielectric screw at the same location.
【００１０】[0010]
【実施例】以下本発明の詳細を、その実施例につき図面
を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the accompanying drawings.
【００１１】図１は本発明の一実施例である。FIG. 1 shows an embodiment of the present invention.
【００１２】図１において、１は本実施例の整合器の本
体の方形導波管である。１の導波管部の広幅面の中心
に、調整ネジ２，３がＬの間隔で３個設けられている。
ここで調整ネジは、金属ビス２と円筒状誘電体ビス３と
の二重構造となっており、ナット４，５によってそれぞ
れのビスを固定できるようになっている。このようにす
ることで、金属ビス２の電圧定在波比調整と誘電体ビス
３の電気長調整を独立させて行うことができる。In FIG. 1, reference numeral 1 denotes a rectangular waveguide of the main body of the matching box of this embodiment. Three adjustment screws 2 and 3 are provided at the center of the wide surface of one waveguide section at an interval of L.
Here, the adjusting screw has a double structure of a metal screw 2 and a cylindrical dielectric screw 3, and each screw can be fixed by nuts 4 and 5. By doing so, the voltage standing wave ratio adjustment of the metal screw 2 and the electric length adjustment of the dielectric screw 3 can be performed independently.
【００１３】調整ネジの間隔Ｌは１／４λｇ，３／４λ
ｇ，３／８λｇのいずれかで与えられる。λｇはＴＥ１
０モードの管内波長である。The spacing L between the adjusting screws is 1 / 4λg, 3 / 4λ.
g, 3 / 8λg. λg is TE1
This is the 0-mode guide wavelength.
【００１４】また、符号６ないし１０については、図３
の従来例と同様である。The reference numerals 6 to 10 correspond to FIG.
Is the same as the conventional example.
【００１５】本実施例の測定の結果を図２に示す。結果
よりリップル幅を０．２−０．３ｄＢＩ以上改善するこ
とができる。FIG. 2 shows the result of the measurement in this embodiment. As a result, the ripple width can be improved by 0.2-0.3 dBI or more.
【００１６】本実施例では、誘電体ビスとしてテフロン
（登録商標）ビス３を使用した。In this embodiment, Teflon (registered trademark) screw 3 is used as a dielectric screw.
【００１７】以上の説明においては例として、調整ネジ
２，３の数を３個としたが、これに限られることなく、
複数個のネジによっても、同様の効果が得られ、本発明
の目的を達成することができる。In the above description, as an example, the number of the adjusting screws 2 and 3 is three, but the number is not limited thereto.
The same effect can be obtained with a plurality of screws, and the object of the present invention can be achieved.
【００１８】[0018]
【発明の効果】以上説明したように本発明は、方形導波
管の広幅面に電波伝搬方向に設けられた調整ビスを二重
構造にすることで、電圧定在波比と電気長（位相量）を
独立して調整できるという効果を奏する。As described above, according to the present invention, the voltage standing wave ratio and the electric length (phase) are obtained by forming the adjusting screw provided on the wide surface of the rectangular waveguide in the radio wave propagation direction into a double structure. Amount) can be adjusted independently.
【図１】本発明の一実施例であり、（Ａ）は平面図、
（Ｂ）は（Ａ）におけるＡ−Ａ断面図、（Ｃ）は（Ｂ）
の円で囲んだ部分の調整ビス部詳細図である。FIG. 1 is an embodiment of the present invention, in which (A) is a plan view,
(B) is an AA sectional view in (A), (C) is (B)
FIG. 4 is a detailed view of an adjustment screw portion of a portion surrounded by a circle.
【図２】本発明の評価結果である。FIG. 2 shows evaluation results of the present invention.
【図３】従来の整合器であり、（Ａ）は平面図、（Ｂ）
は（Ａ）におけるＡ−Ａ断面図である。3A is a plan view of a conventional matching device, and FIG.
FIG. 2 is a sectional view taken along line AA in FIG.
１ 本体（方形導波管） ２ 金属ビス ３ 誘電体ビス（テフロンビス） ４，５ ナット ６ ＦＥＴ増幅器出力部 ７ 同軸導波管変換器 ８ マイクロストリップ線路 ９ ＦＥＴ １０ 次段の負荷の導波管 DESCRIPTION OF SYMBOLS 1 Main body (square waveguide) 2 Metal screw 3 Dielectric screw (Teflon screw) 4,5 Nut 6 FET amplifier output part 7 Coaxial waveguide converter 8 Microstrip line 9 FET 10 Waveguide of next stage load
Claims (1)
ＥＴ出力側における方形導波管部の広幅面に、電波伝搬
方向に沿って導波管内部に付き出すように設けた複数個
の調整ネジを備え、この調整ネジは内外両側の一方の金
属ビスと他方の誘電体ビスとの二重構造になっており、
導波管内に突出する個々のビスの先端部の長さを変化調
整可能に構成したことを特徴とする整合器。1. A microwave amplifier using an FET,
On the wide surface of the rectangular waveguide section on the ET output side, there are provided a plurality of adjusting screws provided so as to protrude into the waveguide along the radio wave propagation direction. Has a double structure with the other dielectric screw,
A matching device characterized in that the length of the tip of each screw projecting into the waveguide can be changed and adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32906992A JP3191024B2 (en) | 1992-12-09 | 1992-12-09 | Matching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32906992A JP3191024B2 (en) | 1992-12-09 | 1992-12-09 | Matching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06177613A JPH06177613A (en) | 1994-06-24 |
| JP3191024B2 true JP3191024B2 (en) | 2001-07-23 |
Family
ID=18217273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32906992A Expired - Fee Related JP3191024B2 (en) | 1992-12-09 | 1992-12-09 | Matching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3191024B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002171106A (en) * | 2000-11-29 | 2002-06-14 | Fdk Corp | Waveguide device and its adjusting method |
-
1992
- 1992-12-09 JP JP32906992A patent/JP3191024B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06177613A (en) | 1994-06-24 |
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