JPS62245Y2 - - Google Patents
Info
- Publication number
- JPS62245Y2 JPS62245Y2 JP1980008729U JP872980U JPS62245Y2 JP S62245 Y2 JPS62245 Y2 JP S62245Y2 JP 1980008729 U JP1980008729 U JP 1980008729U JP 872980 U JP872980 U JP 872980U JP S62245 Y2 JPS62245 Y2 JP S62245Y2
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- stripline
- phase
- transmission line
- movable piece
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Waveguides (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Non-Reversible Transmitting Devices (AREA)
Description
【考案の詳細な説明】
本考案はVHF帯およびUHF帯で使用される新
規なストリツプライン形の位相調整器に関する。[Detailed Description of the Invention] The present invention relates to a novel stripline type phase adjuster used in the VHF band and the UHF band.
従来、VHF帯およびUHF帯においては、位相
調整器としてハイブリツト回路を使用したもの、
およびサーキユレータを使用したものがあるが、
挿入損失が1dB程度と多く、また位相対振幅特性
が悪いという欠点があつた。 Conventionally, in the VHF and UHF bands, a hybrid circuit was used as a phase adjuster,
There are also those using a circulator,
The drawbacks were that the insertion loss was high, around 1 dB, and the phase-to-amplitude characteristics were poor.
本考案の目的は、定インピーダンス伝送ライン
の電気長と位相の関係の特性を利用することによ
り上記欠点を解決し、且つ、伝送ラインにストリ
ツプラインを使用して任意に位相が可変出来る位
相調整器を提供することである。 The purpose of this invention is to solve the above drawbacks by utilizing the characteristics of the relationship between the electrical length and phase of a constant impedance transmission line, and to provide phase adjustment that allows the phase to be arbitrarily varied by using a stripline in the transmission line. It is to provide a vessel.
本考案によれば、位相遅延素子としてのストリ
ツプラインによる定インピーダンス伝送ライン
と、接触子をもつたライン長変更用可動片とを具
備し伝送ライン長を変化させて位相を変える位相
調整器が得られる。尚、前記ライン長変更用可動
片に遅延素子のストリツプラインと同一幅の伝送
ラインが設けられる。本考案によれば、従来の位
相調整器で問題があつた挿入損失および位相対振
幅特性は、使用する伝送ラインの特性とほゞ同程
度まで改善出来る。 According to the present invention, there is provided a phase adjuster that includes a constant impedance transmission line using a stripline as a phase delay element and a movable piece for changing the line length having a contact, and changing the phase by changing the length of the transmission line. can get. Note that the movable piece for changing the line length is provided with a transmission line having the same width as the stripline of the delay element. According to the present invention, the insertion loss and phase-to-amplitude characteristics, which were problematic with conventional phase adjusters, can be improved to almost the same level as the characteristics of the transmission line used.
次に本考案を示した図面を参照して、本考案を
詳細に説明する。第１図から第３図は、本考案の
一実施例を示す図で、第１図は伝送ラインが最長
の場合、第２図は最短の場合を示し、第３図は断
面図である。図でストリツプラインによる定イン
ピーダンス伝送ライン４を含むプリント印刷配線
基板１と、接触子３を持つたライン長変更用可動
片２、およびスライドガイド６とから構成されて
いる。基板１上のストリツプラインと可動片２上
のストリツプラインとは直接接触するが、接続を
確実にするために接触子３を更に設けている。プ
リント印刷配線基板１には、機械的強度の点で優
れているガラス布基材エポキシ樹脂銅張積層板の
厚み1.6mmのものを使用し、その上に特性インピ
ーダンス50Ωの伝送ラインが設けられる。ライン
長変更用可動片２（基板）も基板１と同じ材料を
使用し、その上に50Ωストリツプラインと同じパ
ターン幅の短絡導体５が設けられる。そしてその
反対面は接触子３の取付部分を除き、銅箔は除去
される。 The present invention will now be described in detail with reference to the drawings showing the present invention. 1 to 3 are diagrams showing one embodiment of the present invention, in which FIG. 1 shows the longest transmission line, FIG. 2 shows the shortest transmission line, and FIG. 3 is a cross-sectional view. As shown in the figure, it is composed of a printed wiring board 1 including a constant impedance transmission line 4 formed by a stripline, a movable piece 2 for changing the line length having a contact 3, and a slide guide 6. Although the stripline on the substrate 1 and the stripline on the movable piece 2 are in direct contact, a contactor 3 is further provided to ensure the connection. The printed circuit board 1 is made of a glass cloth-based epoxy resin copper-clad laminate with a thickness of 1.6 mm, which has excellent mechanical strength, and a transmission line with a characteristic impedance of 50 Ω is provided thereon. The line length changing movable piece 2 (substrate) is also made of the same material as the substrate 1, and a shorting conductor 5 having the same pattern width as the 50Ω strip line is provided thereon. Then, the copper foil is removed from the opposite side except for the attachment part of the contactor 3.
第１図はライン長が最大となる位置に可動片２
がある場合を、第２図はライン長が最小となる位
置に可動片２がある場合を示している。本実施例
の位相調整器は280MHzで位相可変範囲90゜のも
ので可動片２の可動長ｌは約35mmとなつている。
第３図は接触子３の取付部分等の詳細を示す図で
あり、可動片２の短絡導体５と接触子３はスルー
ホール１０により接続されている。尚、可動片２
の材料の誘電率によつてストリツプライン４のイ
ンピーダンスに影響を与えるので若干のパターン
幅の補正が必要となるが、本実施例では280±
50MHzの帯域においてVSWRは1.2以下となつて
いる。 Figure 1 shows the movable piece 2 at the position where the line length is maximum.
FIG. 2 shows the case where the movable piece 2 is located at the position where the line length is the minimum. The phase adjuster of this embodiment has a phase variable range of 90 degrees at 280 MHz, and the movable length l of the movable piece 2 is about 35 mm.
FIG. 3 is a diagram showing details of the mounting portion of the contactor 3, and the shorting conductor 5 of the movable piece 2 and the contactor 3 are connected by a through hole 10. Furthermore, movable piece 2
Since the impedance of the stripline 4 is affected by the dielectric constant of the material, it is necessary to slightly correct the pattern width.
VSWR is less than 1.2 in the 50MHz band.
以上、詳細に説明したように本考案によれば、
損失が少なく、位相振幅特性が優れた移相調整器
が得られる。 As explained above in detail, according to the present invention,
A phase shift adjuster with low loss and excellent phase and amplitude characteristics can be obtained.
第１図および第２図は本考案の一実施例の平面
図であり、第１図は可動片を伝送ライン長が最大
の時を示し、第２図は伝送ライン長が最小の時を
示す。第３図は接触子３の取付部分を拡大した断
面図である。
図において、１……プリント印刷配線基板、２
……ライン短絡用可動片、３……接触子、４……
ストリツプライン、５……短絡導体、６……スラ
イドガイド、７……入力端、８……出力端、９…
…接地導体、１０……スルーホール。
Figures 1 and 2 are plan views of an embodiment of the present invention, with Figure 1 showing the movable piece when the transmission line length is the maximum, and Figure 2 showing the movable piece when the transmission line length is the minimum. . FIG. 3 is an enlarged sectional view of the mounting portion of the contactor 3. In the figure, 1... printed wiring board, 2
...Movable piece for line short circuit, 3...Contactor, 4...
Strip line, 5... Short circuit conductor, 6... Slide guide, 7... Input end, 8... Output end, 9...
...Ground conductor, 10...Through hole.
Claims (1)
一のストリツプラインと、前記第一の基板に対向
して設けられ前記第一の基板との相対位置が可変
できる第二の基板と、前記第二の基板の前記第一
の基板と対向する第一の面に設けられ前記第一の
ストリツプラインと同じ幅の第二のストリツプラ
インと、前記第二の基板の端部分で前記第二のス
トリツプラインから前記第一の面と反対の反対面
に通じたスルホールと、前記スルホールに接続さ
れ前記第二の基板の前記反対面からこの基板の端
を経て前記第一の基板の前記第一のストリツプラ
インに接触する接触子とを具備し、前記第二の基
板の位置に応じて第一及び第二のストリツプライ
ンで構成される伝送路の伝送長を変えることで位
相を調整する位相調整器。 a first substrate, a first stripline provided on the first substrate, and a second substrate provided opposite to the first substrate and whose relative position with respect to the first substrate can be varied; , a second stripline provided on a first surface of the second substrate facing the first substrate and having the same width as the first stripline; and an end portion of the second substrate. a through hole leading from the second strip line to an opposite surface opposite to the first surface; and a through hole connected to the through hole and extending from the opposite surface of the second substrate to the end of this substrate to the first substrate. a contactor that contacts the first stripline, and the transmission length of the transmission line constituted by the first and second striplines is changed depending on the position of the second substrate. A phase adjuster that adjusts the phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980008729U JPS62245Y2 (en) | 1980-01-28 | 1980-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980008729U JPS62245Y2 (en) | 1980-01-28 | 1980-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56111501U JPS56111501U (en) | 1981-08-28 |
| JPS62245Y2 true JPS62245Y2 (en) | 1987-01-07 |
Family
ID=29605395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980008729U Expired JPS62245Y2 (en) | 1980-01-28 | 1980-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62245Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5515361Y2 (en) * | 1974-02-28 | 1980-04-09 |
-
1980
- 1980-01-28 JP JP1980008729U patent/JPS62245Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56111501U (en) | 1981-08-28 |
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