JPH027132B2 - - Google Patents

Info

Publication number
JPH027132B2
JPH027132B2 JP60054451A JP5445185A JPH027132B2 JP H027132 B2 JPH027132 B2 JP H027132B2 JP 60054451 A JP60054451 A JP 60054451A JP 5445185 A JP5445185 A JP 5445185A JP H027132 B2 JPH027132 B2 JP H027132B2
Authority
JP
Japan
Prior art keywords
coaxial
high frequency
filled
relay
metal tube
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 - Lifetime
Application number
JP60054451A
Other languages
Japanese (ja)
Other versions
JPS60221919A (en
Inventor
Akira Yamagiwa
Ryozo Yoshino
Mitsuhiro Yamaga
Takashi Matsumoto
Nagatoshi Usami
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5445185A priority Critical patent/JPS60221919A/en
Publication of JPS60221919A publication Critical patent/JPS60221919A/en
Publication of JPH027132B2 publication Critical patent/JPH027132B2/ja
Granted legal-status Critical Current

Links

Description

【発明の詳細な説明】 〔発明の利用分野〕 本発明は電子計測器及び電子計算機等におい
て、特に高周波信号の切換回路に好適な高周波同
軸リレー装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a high frequency coaxial relay device particularly suitable for a high frequency signal switching circuit in electronic measuring instruments, electronic computers, etc.

〔発明の背景〕[Background of the invention]

従来の同軸型リードリレーは第1図に示すよう
に金属管1の内部にリードスイツチ2を入れて、
管内に絶縁樹脂4を充填し、管を取り巻く駆動コ
イル3を取付けた構造としている。この同軸型リ
ードリレーを用いた3回路の切換回路を第2図に
示す。この様な場合において端子AからDへ高周
波の信号経路を作るには、同軸型リレー2−1を
閉じ、その他のリレーは開いておく。従来技術に
よる同軸型リレーでは開いているリレーの負荷容
量が大きく高周波信号の通過がさまたげられる欠
点があつた。
A conventional coaxial type reed relay has a reed switch 2 placed inside a metal tube 1, as shown in Fig. 1.
The tube is filled with insulating resin 4 and a drive coil 3 surrounding the tube is attached. Figure 2 shows a three-circuit switching circuit using this coaxial type reed relay. In such a case, to create a high frequency signal path from terminal A to D, the coaxial relay 2-1 is closed and the other relays are left open. Conventional coaxial relays have the disadvantage that the open relay has a large load capacity, which obstructs the passage of high frequency signals.

〔発明の目的〕[Purpose of the invention]

本発明の目的は、高周波特性の優れた切換回路
を実現するための高周波同軸リレー装置を提供す
ることにある。
An object of the present invention is to provide a high frequency coaxial relay device for realizing a switching circuit with excellent high frequency characteristics.

〔発明の概要〕[Summary of the invention]

リレーに高周波信号を通過させるには、同軸型
構造とし、線路の特性インピーダンスと一致させ
ることが必要となるが、一方同軸型構造のリード
リレーによる切換回路を作成するには、開いてい
るリレーが線路の負荷となるために高周波信号が
歪む結果となる。この負荷を軽減させることによ
り、高周波特性を改善することができる。
In order to pass a high frequency signal through a relay, it is necessary to have a coaxial type structure and match the characteristic impedance of the line.On the other hand, to create a switching circuit using a reed relay with a coaxial type structure, it is necessary to have an open relay. This results in distortion of the high frequency signal due to the load on the line. By reducing this load, high frequency characteristics can be improved.

〔発明の実施例〕[Embodiments of the invention]

以下、本発明の一実施例を説明する。第3図に
おいて、金属管1及び内部のリードスイツチ2と
管をとり巻く駆動コイル3より成り、一方の口よ
りリードスイツチの固定支持とインピーダンス制
御のために、絶縁樹脂4を封入する。他の一方の
口は樹脂埋めは行わずにそのままとする。
An embodiment of the present invention will be described below. In FIG. 3, it consists of a metal tube 1, an internal reed switch 2, and a drive coil 3 surrounding the tube, and an insulating resin 4 is sealed from one opening for fixed support of the reed switch and impedance control. The other opening is left as it is without filling with resin.

従つて樹脂埋め側は接続線路の特性インピーダ
ンスZoと一致させるが、樹脂埋めを行わない側
は容量が小さいため、前記のZoよりも若干高め
となる。
Therefore, the resin-filled side is made to match the characteristic impedance Zo of the connection line, but since the resin-filled side has a small capacitance, the capacitance is slightly higher than Zo.

前記同軸リードリレーを用いた8回路の高周波
同軸切換リレーを第4図に示す。同軸リードリレ
ー4−1の樹脂埋めしない側を共通接続点Cとし
て、樹脂埋めした側0〜7迄の8ケのリレーを放
射状に配置する。この放射状に配置された各リレ
ーの外側端子および共通接続点Cに、同軸ケーブ
ル等の線路(図示せず)が接続される。この様な
構造にすることにより、共通点Cの負荷容量を極
力小さくして、線路上の特性インピーダンスZo
の変化を押えている。
FIG. 4 shows an eight-circuit high-frequency coaxial switching relay using the coaxial reed relay. The side of the coaxial reed relay 4-1 not filled with resin is set as a common connection point C, and eight relays from 0 to 7 on the resin-filled side are arranged radially. A line (not shown) such as a coaxial cable is connected to the outer terminals of the radially arranged relays and the common connection point C. By adopting such a structure, the load capacitance at the common point C can be minimized, and the characteristic impedance Zo on the line can be reduced.
changes are being suppressed.

従つてどれか1つのリレーが閉じている場合の
残りのリレーは樹脂埋めしない側となり、高周波
信号の歪みは、最小にすることが出来る。
Therefore, when any one relay is closed, the remaining relays are not filled with resin, and distortion of high frequency signals can be minimized.

〔発明の効果〕〔Effect of the invention〕

同軸リードリレーの一方の側は樹脂埋めを行な
い、接続される線路のZoと一致させ、他の一方
は樹脂埋めを行わないことにより、容量を減少さ
せ接続される線路のZoよりも高いインピーダン
スとする。前記同軸リードリレーを用いて同軸切
換リレー回路を構成する場合には、共通接続点側
に容量の小さい側を選び、高周波特性を改善する
ことが可能となる。特に多数回路の切換回路の場
合においてその効果が大きい。
One side of the coaxial reed relay is filled with resin to match the Zo of the line to be connected, and the other side is not filled with resin to reduce the capacitance and make the impedance higher than the Zo of the line to be connected. do. When constructing a coaxial switching relay circuit using the coaxial reed relay, it is possible to select the side with a smaller capacity as the common connection point side and improve the high frequency characteristics. This effect is particularly great in the case of a switching circuit with multiple circuits.

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

第1図は、従来技術による同軸リードリレーの
断面図、第2図は、前記従来技術による同軸リー
ドリレーを用いた切換スイツチの説明図、第3図
は、本発明による高周波同軸リレーの断面図、第
4図は、前記本発明による同軸リレーを用いた8
回路同軸切換スイツチの構成図である。 1……金属管、2……リードスイツチ、3……
コイル、4……絶縁樹脂、4−1……同軸リード
リレー。
FIG. 1 is a sectional view of a coaxial reed relay according to the prior art, FIG. 2 is an explanatory diagram of a changeover switch using the coaxial reed relay according to the prior art, and FIG. 3 is a sectional view of a high frequency coaxial relay according to the present invention. , FIG. 4 shows an 8 using the coaxial relay according to the present invention.
It is a block diagram of a circuit coaxial changeover switch. 1...metal tube, 2...reed switch, 3...
Coil, 4... Insulating resin, 4-1... Coaxial reed relay.

Claims (1)

【特許請求の範囲】[Claims] 1 リードスイツチを内蔵する金属管と、前記金
属管を取り巻く駆動コイルより成るリレーを複数
個、前記各リードスイツチの一方の端子を互いに
共通に接続して成る高周波同軸リレー装置におい
て、前記各リレーの金属管の前記共通接続点側は
絶縁樹脂を充填せず、反対側は絶縁樹脂を充填し
前記各リードスイツチを支持するとともに、該リ
ードスイツチの絶縁樹脂充填側端子に接続される
同軸ケーブル等の線路の特性インピーダンスと等
しいインピーダンスを持つように構成し、前記共
通接続点に接続される同軸ケーブル等の線路の特
性インピーダンスの変化を押えることを特徴とす
る高周波同軸リレー装置。
1. A high frequency coaxial relay device comprising a plurality of relays each consisting of a metal tube containing a built-in reed switch and a drive coil surrounding the metal tube, with one terminal of each reed switch commonly connected to each other, in which each of the relays has a The common connection point side of the metal tube is not filled with insulating resin, and the opposite side is filled with insulating resin to support each of the reed switches, as well as a coaxial cable etc. connected to the terminal on the insulating resin filled side of the reed switch. A high frequency coaxial relay device characterized in that it is configured to have an impedance equal to the characteristic impedance of a line, and suppresses changes in the characteristic impedance of a line such as a coaxial cable connected to the common connection point.
JP5445185A 1985-03-20 1985-03-20 High frequency coaxial relay Granted JPS60221919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5445185A JPS60221919A (en) 1985-03-20 1985-03-20 High frequency coaxial relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5445185A JPS60221919A (en) 1985-03-20 1985-03-20 High frequency coaxial relay

Publications (2)

Publication Number Publication Date
JPS60221919A JPS60221919A (en) 1985-11-06
JPH027132B2 true JPH027132B2 (en) 1990-02-15

Family

ID=12971053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5445185A Granted JPS60221919A (en) 1985-03-20 1985-03-20 High frequency coaxial relay

Country Status (1)

Country Link
JP (1) JPS60221919A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4876462U (en) * 1971-12-22 1973-09-21

Also Published As

Publication number Publication date
JPS60221919A (en) 1985-11-06

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